PU vs Rubber Timing Belts: A Buyer’s Comparison Guide

Quick Answer: PU or Rubber Timing Belt?

PU (polyurethane) timing belts are often a strong choice for industrial applications where abrasion resistance, dimensional stability, chemical resistance, clean operation, and precise motion are important. Rubber timing belts are often preferred for applications involving higher temperatures, continuous dynamic flexing, vibration damping, and demanding automotive or industrial drive conditions.

However, PU is not automatically better than rubber, and rubber is not automatically better than PU.

For a buyer, the correct timing belt material depends on the complete operating environment, including:

• Operating temperature
• Oil, grease and chemical exposure
• Abrasion and wear
• Load and torque
• Speed and duty cycle
• Pulley diameter
• Flexing frequency
• Positioning requirements
• Tensile cord construction
• Tooth profile
• Belt dimensions
• Moisture and humidity

The most important purchasing rule is:

Do not choose a timing belt by material name alone. Choose the complete belt construction according to the actual application.

A PU timing belt may be a suitable choice for an industrial automation or precision conveying system, while a rubber timing belt may be more appropriate for an automotive engine or high-temperature dynamic drive.

For B2B buyers, therefore, the better question is not “Which material is better?” but:

“Which timing belt construction is better suited to this operating environment?”

For a broader overview of timing belt materials, sizes, profiles and selection factors, see the Timing Belt Guide: Types, Sizes, Materials & Selection.

What Is the Difference Between a PU and Rubber Timing Belt?

Both PU and rubber timing belts are synchronous belts. Their teeth engage with matching timing pulleys to transmit synchronized rotary motion.

The primary difference is the material and construction of the belt body.

A PU timing belt uses polyurethane as the main belt body and may be reinforced with steel, aramid, or other tensile cords depending on the design.

A rubber timing belt uses a formulated rubber compound and may use fiberglass, aramid, or other reinforcement systems depending on the application.

Both materials can be manufactured in different tooth profiles, lengths and widths.

Therefore, “PU timing belt” and “rubber timing belt” describe material families, not complete belt specifications.

Two belts with the same pitch and width can perform differently because of differences in:

• Belt compound
• Tensile cord
• Tooth construction
• Tooth-facing fabric
• Hardness
• Manufacturing process
• Pulley compatibility
• Operating environment

This is particularly important when comparing quotations from different timing belt manufacturers.

PU vs Rubber Timing Belts: Quick Comparison

Important: These are general engineering tendencies. The actual performance of a timing belt depends on its specific compound, reinforcement, dimensions, tooth profile, manufacturing quality and operating conditions.

1. Temperature: Start Here Before Choosing the Material

Temperature should be one of the first factors considered when comparing PU and rubber timing belts.

Do not ask only:

“Is PU heat resistant?”

or:

“Is rubber heat resistant?”

Those questions are too broad.

Instead, define:

• Minimum operating temperature
• Normal operating temperature
• Maximum continuous temperature
• Short-term peak temperature
• Heat generated by the drive
• Nearby heat sources
• Whether the belt is exposed to hot oil, water or chemicals

The actual temperature capability depends on the specific material formulation and belt construction.

A standard PU timing belt should not automatically be assumed suitable for a high-temperature environment simply because another polyurethane formulation has higher temperature resistance.

The same principle applies to rubber. “Rubber timing belt” is not a single material specification. Different rubber compounds can provide different combinations of heat resistance, oil resistance, flexibility and aging resistance.

Buyer Rule

If temperature is a major factor, compare the exact compound and construction specification rather than comparing the words “PU” and “rubber.”

This approach helps prevent a common sourcing mistake: selecting a material based on a generic temperature claim without checking the actual operating environment.

2. Oil, Grease and Chemical Exposure

Oil and chemical exposure can significantly influence timing belt selection.

PU timing belts are often considered for applications involving:

• Oil
• Grease
• Industrial fluids
• Abrasive contaminants
• Repeated cleaning

However, polyurethane is not universally resistant to every chemical.

The same principle applies to rubber.

A rubber timing belt formulated for one environment may behave differently from a belt using another rubber compound.

Therefore, buyers should identify the actual substance rather than simply telling the manufacturer:

“The application contains chemicals.”

A better specification identifies the actual exposure:

• Engine oil
• Hydraulic oil
• Gear oil
• Coolant
• Grease
• Cleaning solution
• Solvent
• Acid
• Alkali
• Water
• Process chemicals

Temperature should also be considered because material compatibility can change with temperature and exposure conditions.

Better RFQ Wording

Instead of:

“Please quote an oil-resistant timing belt.”

A better request is:

“The belt operates continuously at [temperature] and is exposed to [specific oil or chemical]. Please recommend the suitable belt compound and provide the relevant technical specification.”

This gives the manufacturer a much stronger basis for recommending a construction.

3. Abrasion Resistance: One Reason Buyers Consider PU

Abrasion is an important consideration in many industrial timing belt applications.

A belt can experience wear from:

• Repeated tooth engagement
• Contaminated pulleys
• Abrasive particles
• High cycling frequency
• Material contact
• Repeated conveying
• Misalignment
• Excessive tension
• Improper pulley geometry

PU constructions are often attractive where abrasion resistance and surface durability are important.

This makes PU timing belts worth evaluating for applications such as:

• Automation equipment
• Packaging machinery
• Conveying systems
• Linear motion
• Material handling
• Repetitive industrial machinery

However, material alone does not determine belt life.

A PU timing belt running with incorrect tension or pulley alignment can still experience:

• Tooth wear
• Edge wear
• Abnormal tracking
• Cord fatigue
• Premature failure

This is why the complete drive system matters.

For buyers researching premature timing belt failure, see Why Do Some Timing Belts Fail Much Earlier Than Expected?, which addresses the broader relationship between belt construction, operating conditions and failure causes.

4. Tensile Cord: The Specification Buyers Often Miss

One of the most important points in PU versus rubber timing belt selection is that the belt body is only one part of the construction.

The tensile cord can strongly influence:

• Tensile strength
• Belt elongation
• Dimensional stability
• Positioning accuracy
• Load capacity
• Dynamic behavior
• Fatigue performance

Depending on the belt design, manufacturers may use steel cord, fiberglass cord, aramid cord, or other reinforcement structures. The differences between these cord materials can significantly affect tensile strength, elongation, flexibility, dimensional stability, and dynamic performance. For a detailed comparison, see our guide to Timing Belt Cord Materials: Fiberglass vs Steel vs Polyester vs Aramid.

For example, a PU timing belt with steel reinforcement can be attractive for applications requiring dimensional stability.

Another PU construction using aramid reinforcement may be considered where flexibility, weight or dynamic behavior is more important.

Rubber timing belts can likewise use different reinforcement systems depending on the intended application.

Therefore, when requesting a quotation, do not send only:

“T10 timing belt.”

A more useful specification includes:

Profile + pitch + number of teeth + belt length + belt width + material + tensile cord + application

For example:

T10 × 25 mm × 1,500 mm, PU, steel cord, industrial automation application.

For buyers who need to identify belts from OEM numbers or cross-reference requirements before requesting quotations, the Timing Belt OEM Part Number Cross Reference Guide for Buyers provides a separate identification-focused resource.

5. Dimensional Stability and Positioning Accuracy

Dimensional stability becomes particularly important when a timing belt is used to control position.

Typical applications include:

• CNC machinery
• Robotics
• Linear motion
• Packaging systems
• Automated handling
• Indexing equipment
• Precision conveying

In these applications, excessive belt elongation can affect repeatability and positioning.

Suitable PU timing belt constructions are often attractive for precision motion because of their dimensional stability and reinforcement options.

However, buyers should not assume:

“PU = precision.”

The complete system still matters.

Positioning performance can be influenced by:

• Tensile cord
• Belt construction
• Pitch accuracy
• Belt width
• Pulley accuracy
• Belt tension
• Pulley alignment
• Load
• Acceleration and deceleration

Therefore, a precision timing belt should be specified as a complete drive-system requirement, not simply as a material choice.

6. Flexibility, Dynamic Loading and Vibration

Rubber has an important characteristic that should not be overlooked:

elasticity.

Rubber timing belt constructions can provide useful flexibility and vibration damping in dynamic drives.

This can matter when a system experiences:

• Frequent starts and stops
• Rapid acceleration
• Rapid deceleration
• Vibration
• Fluctuating loads
• Dynamic shock
• Repeated bending

PU timing belts can also be engineered for dynamic applications, but the exact belt construction and reinforcement must be considered.

The correct question is therefore not:

“Is PU flexible?”

Instead ask:

“How frequently does the belt flex, around what pulley diameter, at what speed, and under what load?”

That is the information a manufacturer needs to evaluate the construction properly.

7. Humidity and Hydrolysis: An Important PU Consideration

Humidity is sometimes overlooked when buyers compare PU and rubber timing belts.

Certain polyurethane formulations can be affected by prolonged exposure to moisture, particularly when moisture is combined with elevated temperature.

This makes the following applications worth special attention:

• High-humidity production areas
• Washdown environments
• Steam exposure
• Hot and wet machinery
• Continuous water exposure
• Applications with frequent wet cleaning

This does not mean that PU timing belts are unsuitable for humid environments.

It means that the specific polyurethane formulation must be checked.

A buyer should ask:

“Is this PU timing belt construction suitable for continuous hot and humid operation, and is the polyurethane formulation designed for hydrolysis resistance?”

That is a much more useful question than simply asking whether the belt is “water resistant.”

8. Automotive Timing Belts Are a Different Selection Problem

This distinction is critical for automotive buyers.

An industrial PU timing belt should not automatically be considered a replacement for an automotive engine timing belt simply because both products are called timing belts.

Automotive engine timing systems operate under demanding conditions involving:

• Elevated temperature
• Oil exposure
• Continuous cyclic flexing
• High rotational speed
• Precise synchronization
• Long service intervals
• Strict dimensional requirements

Purpose-designed automotive rubber timing belts are therefore engineered specifically for these conditions.

For automotive applications, buyers should evaluate:

• Vehicle application
• OEM or aftermarket part number
• Tooth profile
• Tooth count
• Belt length
• Belt width
• Material construction
• Tensile cord
• Operating temperature
• Oil resistance
• Durability requirements

For a manufacturer-oriented look at how automotive timing belts are produced, see Automotive Timing Belt Manufacturing.

For the broader distinction between automotive belt systems, the Automotive Belt Guide provides the appropriate starting point.

9. PU vs Rubber Timing Belt by Application

Instead of asking which material is “better,” buyers should first identify the application.

Industrial Automation

Typical requirements include:

• Accurate synchronization
• Low elongation
• Repeatable positioning
• High cycling frequency
• Stable dimensions

PU timing belt: Often worth evaluating.

Rubber timing belt: Also suitable for many applications depending on the required dynamic characteristics.

Packaging Machinery

Typical requirements include:

• Repeated starts and stops
• Accurate positioning
• Abrasion resistance
• Compact drive systems
• Stable tooth engagement

PU: Often attractive.

Rubber: Also applicable depending on load, speed and environmental conditions.

Linear Motion

Typical requirements include:

• Low elongation
• Positioning accuracy
• Repeatability
• Stable belt dimensions

PU: Often an important candidate, particularly with suitable reinforcement.

High-Temperature Industrial Equipment

Typical requirements include:

• Continuous elevated temperature
• Thermal aging resistance
• Stable performance at operating temperature

Rubber: Often deserves evaluation where a suitable high-temperature compound is available.

The manufacturer’s actual specification should determine the final selection.

Automotive Engine Timing

Typical requirements include:

• Heat resistance
• Oil resistance
• Dynamic fatigue resistance
• Accurate synchronization
• Long service intervals

Purpose-designed automotive rubber timing belt: The normal engineering reference.

Material Handling and Conveying

Typical requirements include:

• Abrasion resistance
• Surface durability
• Chemical resistance
• Continuous operation
• High cycle frequency

PU: Often worth evaluating.

Clean Industrial Applications

Typical requirements can include:

• Low contamination
• Cleanability
• Chemical resistance
• Regulatory compliance

PU: Can be advantageous in suitable constructions.

However, buyers should never assume that “PU” automatically means food-grade or compliant. Compliance depends on the exact material and supporting documentation.

10. PU vs Rubber Is a Material Question — T-Series and HTD Are Profile Questions

This distinction is important when specifying a timing belt.

PU and rubber describe material or construction families.

T-series, HTD, AT, GT and other designations describe tooth profiles.

These are different specifications.

For example, a buyer may need to determine:

What is the tooth profile?

T5, T10, AT5, AT10, HTD 5M, HTD 8M and other profiles have different tooth geometries and must match the corresponding pulley system.

What is the pitch?

The pitch determines tooth spacing and must match the pulley.

What is the belt length?

The required length depends on the drive geometry.

What is the belt width?

Width must correspond to the required load and drive design.

What is the material?

PU or rubber.

What is the tensile cord?

Steel, fiberglass, aramid or another suitable reinforcement.

What is the operating environment?

Temperature, oil, chemicals, moisture, abrasion, speed and load.

This is why changing from a rubber timing belt to PU should not be treated as a simple material substitution.

The pulley system and complete belt construction must be checked.

For readers who need to understand the differences between common timing belt profiles, see Timing Belt Types Explained: HTD, T-Series & Profiles.

11. What Buyers Should Put in a Timing Belt RFQ

A professional RFQ should contain enough information for the manufacturer to recommend the correct construction.

Basic Belt Information

• Timing belt type
• Tooth profile
• Pitch
• Number of teeth
• Belt length
• Belt width
• Required quantity

Material Information

• PU or rubber
• Required compound, if known
• Tensile cord
• Tooth-facing material
• Backing material
• Special coating, if required

Operating Conditions

• Minimum temperature
• Normal operating temperature
• Maximum temperature
• Speed
• Torque
• Power
• Duty cycle
• Pulley diameter
• Centre distance

Environmental Conditions

• Oil exposure
• Grease exposure
• Water exposure
• Humidity
• Cleaning chemicals
• Solvents
• Abrasive particles
• Outdoor exposure

Quality Requirements

Where applicable, ask the supplier for:

• Material specification
• Belt construction
• Dimensional tolerance
• Tensile information
• Hardness
• Tooth profile specification
• Cord construction
• Recommended operating range
• Chemical compatibility information
• Inspection standard
• Sample approval process

The more complete the RFQ, the easier it becomes to compare suppliers on an equivalent basis.

12. How a Manufacturer Should Evaluate PU vs Rubber

From a manufacturing perspective, the material decision should not be made independently.

A manufacturer needs to consider the relationship between:

belt compound + tensile cord + tooth profile + belt dimensions + pulley geometry + operating conditions

Changing from rubber to PU can affect:

• Belt stiffness
• Tooth behavior
• Flexibility
• Dimensional stability
• Noise
• Chemical resistance
• Manufacturing process
• Joining method
• Pulley compatibility

Therefore, asking a manufacturer to simply:

“Make the same rubber timing belt in PU.”

may not be technically appropriate.

The manufacturer should first determine whether the proposed PU construction can satisfy the actual application.

This becomes even more important for:

• OEM projects
• New machine development
• Large-volume distributor programs
• Customized timing belts
• Special operating environments

From a manufacturer’s viewpoint, the correct belt is the one whose complete construction matches the application—not simply the belt made from the material requested by the buyer.

13. How to Compare Two Timing Belt Quotations

Imagine:

Supplier A: PU Timing Belt — $X

Supplier B: Rubber Timing Belt — $Y

The lower unit price does not automatically mean the lower procurement cost.

Before comparing quotations, confirm that both products have comparable:

• Tooth profile
• Pitch
• Tooth count
• Belt length
• Belt width
• Tensile cord
• Material specification
• Hardness
• Temperature capability
• Chemical resistance
• Manufacturing tolerance
• Inspection requirements
• Packaging
• Warranty terms

Only after these factors are aligned does the unit-price comparison become meaningful.

For importers and distributors, this is particularly important because an apparently cheaper belt can create additional costs through:

• Returns
• Customer complaints
• Warranty claims
• Replacements
• Emergency shipments
• Machine downtime
• Requalification

14. Total Cost of Ownership Matters More Than Unit Price

A professional buyer should evaluate the belt over its expected operating period rather than looking only at the purchase price.

A useful framework is:

Total cost = purchase price + freight + installation + maintenance + replacement + downtime risk + quality/return cost

A PU timing belt may justify its purchase price in an application where abrasion or dimensional stability is critical.

A rubber timing belt may make more sense where temperature, flexibility or dynamic loading is the dominant requirement.

Neither conclusion should be made before the operating conditions are defined.

For distributors, there is also a SKU management consideration.

A supplier serving different customer groups may need separate specifications for:

• Industrial PU timing belts
• Industrial rubber timing belts
• Automotive timing belts
• Specialty timing belts

rather than treating all synchronous belts as interchangeable.

15. What About PK Belt, Poly V-Belt, V-Belt and Serpentine Belt?

Timing belts are only one category in the broader automotive and industrial belt market.

Different belt designs solve different transmission problems.

A Timing Belt uses positive tooth engagement to maintain synchronization.

A PK Belt / Poly V-Belt uses longitudinal ribs and frictional transmission and is widely used in automotive accessory drives.

A V-Belt uses a trapezoidal cross-section and wedge action to transmit power.

A Serpentine Belt is an automotive multi-rib belt designed to drive multiple accessories from a common pulley system.

These products should not be selected using exactly the same PU-versus-rubber decision framework.

For example, automotive PK Belt selection requires attention to:

• Rib profile
• Belt length
• Tensile cord
• Rubber compound
• Oil resistance
• Heat resistance
• Ozone resistance
• Pulley compatibility

For buyers comparing different automotive belt categories, see the Types of Belts in a Car.

For buyers specifically researching PK Belt applications, the PK Belt Guide provides a more focused reference.

For V-Belt buyers, the V-Belt Size Chart can be used as a separate reference for common V-Belt section and sizing information.

REALSHOW BELT also supplies PK Belt products, Poly V-Belts, V-Belts and automotive Timing Belts.

16. A Practical PU vs Rubber Timing Belt Decision Process

For procurement teams, use the following sequence.

Step 1: Define the Application

Identify whether the belt is used for:

• Automotive engine timing
• Industrial power transmission
• Automation
• Linear motion
• Packaging
• Conveying
• CNC equipment
• Robotics
• Agricultural machinery
• Other specialized machinery

Step 2: Define the Environment

Record:

• Temperature
• Humidity
• Oil
• Grease
• Chemicals
• Dust
• Water
• Cleaning process
• Outdoor exposure

Step 3: Define Mechanical Conditions

Determine:

• Speed
• Torque
• Power
• Acceleration
• Deceleration
• Shock loading
• Duty cycle
• Pulley diameter

Step 4: Confirm Belt Geometry

Verify:

• Profile
• Pitch
• Tooth count
• Belt length
• Belt width
• Pulley dimensions

Step 5: Compare Construction

Evaluate:

• PU versus rubber
• Steel versus fiberglass versus aramid cord
• Tooth-facing material
• Backing
• Hardness
• Special coating

Step 6: Ask the Manufacturer for Confirmation

Provide the actual operating conditions and ask the manufacturer to confirm whether the proposed construction is suitable.

Step 7: Test Samples

For important B2B projects, sample testing under actual operating conditions is preferable to making a large purchasing decision from a catalog description alone.

17. PU vs Rubber Timing Belt Buyer Checklist

Before placing a bulk order, confirm:

• Application has been clearly defined
• Timing belt profile has been confirmed
• Pitch has been confirmed
• Belt length has been confirmed
• Belt width has been confirmed
• Tooth count has been confirmed
• Operating temperature has been provided
• Oil and chemical exposure has been identified
• Humidity and water exposure have been identified
• Load and speed have been provided
• Pulley diameter has been checked
• PU or rubber construction has been selected based on application
• Tensile cord has been confirmed
• Tooth-facing material has been confirmed where required
• Manufacturer has confirmed application suitability
• Samples have been evaluated where necessary
• Dimensional requirements have been agreed
• Quality requirements have been agreed
• Packaging requirements have been confirmed
• Inspection requirements have been confirmed

18. Common Buyer Mistakes When Choosing PU or Rubber

Mistake 1: Choosing PU Because It Is “More Durable”

PU can provide strong abrasion and wear resistance, but that does not mean every PU timing belt is suitable for every application.

Mistake 2: Choosing Rubber Because It Is “Traditional”

Rubber remains highly relevant, but the correct rubber compound and reinforcement still need to be selected.

Mistake 3: Comparing Only Unit Prices

A cheaper belt may not have the same:

• Compound
• Cord
• Temperature capability
• Dimensional tolerance
• Quality control
• Service requirements

Mistake 4: Ignoring the Tensile Cord

The cord can strongly affect:

• Stretch
• Load capacity
• Positioning
• Dynamic behavior

Mistake 5: Ignoring Humidity

Some PU formulations require particular attention to prolonged moisture and heat exposure.

Mistake 6: Treating Industrial and Automotive Timing Belts as Interchangeable

Their operating conditions and engineering requirements can be substantially different.

Mistake 7: Changing Material Without Checking the Pulley System

A material change can affect:

• Belt stiffness
• Tooth engagement
• Tension
• Noise
• Tracking
• Overall drive behavior

Mistake 8: Requesting a Quotation Without Providing the Application

A manufacturer can quote a belt by dimensions, but application information allows the manufacturer to recommend a construction rather than simply provide a price.

19. PU vs Rubber Timing Belts: Buyer Decision Matrix

The table is a buyer framework, not a universal material ranking.

20. What Should You Ask Your Timing Belt Supplier?

Before placing an order, ask these questions.

1. What is the exact belt construction?

Ask for:

• Body material
• Compound
• Tensile cord
• Tooth-facing material
• Backing, if applicable

2. What temperature range is recommended for this exact construction?

Do not rely on a generic PU or rubber temperature range.

3. What oil and chemical exposure is acceptable?

Provide the actual substance whenever possible.

4. What load, speed and pulley conditions is the belt designed for?

This allows the manufacturer to evaluate the application more accurately.

5. Can you provide technical documentation and samples before bulk production?

For important B2B programs, sample validation can reduce material-selection risk.

21. Manufacturer Perspective: Why Application Information Matters

For a belt manufacturer, application information can be more useful than receiving a part number alone.

The same dimensional belt may be requested for completely different applications.

For example:

Application A: A precision linear-motion machine requiring low elongation and repeatable positioning.

Application B: A high-temperature industrial drive exposed to continuous heat.

Application C: A packaging machine operating in a clean environment with frequent cycling.

The dimensional specification may look similar, but the preferred belt construction can be different.

This is why an experienced manufacturer should evaluate:

application → operating environment → load → belt geometry → material → reinforcement → manufacturing specification

rather than:

part number → price

That distinction is particularly important for OEM projects and distributor programs where the buyer needs consistent quality across repeated production batches.

22. PU vs Rubber Timing Belts: Final Buying Rule

If the application is primarily concerned with:

abrasion + dimensional stability + precision + suitable chemical resistance

then a PU timing belt construction is worth evaluating first.

If the application is primarily concerned with:

temperature + dynamic flexing + vibration damping + demanding automotive or industrial operation

then a suitable rubber timing belt construction deserves close evaluation.

If the environment combines multiple difficult conditions, such as:

high temperature + high humidity + chemicals + continuous operation

do not make the decision from the material name alone.

Ask the manufacturer to evaluate the exact compound and construction.

If neither standard PU nor rubber satisfies the operating conditions, the appropriate engineering response may be to consider a specialized belt material or construction rather than forcing a PU-versus-rubber substitution.

Conclusion: Choose the Complete Timing Belt Construction

The PU versus rubber timing belt question does not have a universal winner.

PU timing belts are often attractive for abrasion resistance, dimensional stability, chemical resistance and precision-oriented industrial applications. Rubber timing belts remain highly relevant for applications requiring flexibility, vibration damping, dynamic performance and suitable high-temperature capability.

But material should never be evaluated by itself.

The complete specification should consider:

Material + compound + tensile cord + tooth profile + belt dimensions + pulley system + temperature + load + speed + environment.

For B2B buyers, this approach provides a more reliable basis for supplier comparison than simply asking:

“Which is cheaper?”

or:

“Which material is better?”

A professional purchasing decision starts with the operating conditions and then selects the belt construction.

For automotive applications, the same principle applies across Timing Belt, PK Belt, Poly V-Belt, V-Belt and Serpentine Belt sourcing: the correct belt depends on the application, construction and required operating performance.

If you are sourcing timing belts for industrial machinery, automotive applications, aftermarket distribution or OEM production, provide the manufacturer with the profile, dimensions, application, temperature, load, speed and environmental conditions before selecting PU or rubber.

About REALSHOW BELT

REALSHOW BELT is a China-based manufacturer and exporter of automotive and industrial belts, serving distributors, wholesalers, importers, aftermarket suppliers and OEM buyers.

Its product range includes PK Belts, Poly V-Belts, V-Belts, Timing Belts and industrial belt products.

From a manufacturer’s perspective, timing belt selection should be based on the relationship between material, tensile reinforcement, dimensions, manufacturing consistency and the customer’s actual operating environment.

For B2B sourcing requirements, buyers can review the Automotive Belt Manufacturer China and OEM Automotive Belt Manufacturer China and Industrial Belt Manufacturer pages.