Timing Belt Materials

Polyurethane is the timing belt material of choice for BRECOflex. Polyurethane is a broad spectrum of many thermoplastic elastomers that are best suited for specific applications.

There are currently 16 types of polyurethane timing belt materials available. The standard is TPU-ST1 which is used for all belt type and BFX belts longer than 720mm. The standard color is white and the hardness is 92 Shore A. This material is suitable for most applications but if you require something else, see the charts below:

What are the benefits of using polyurethane timing belts over other materials?

  • Extremely wear resistant
  • Extensive temperature range
  • Resistant to petroleum, oils and fats
  • Ozone and sunlight resistant
  • No lubrication required
  • High tooth shear strength
  • High tension resistance
  • Allows belt processing with no loss in material properties
  • Non-marking

Timing Belt Materials For General Use

TypeProductsColorHardnessTemperature RangeComment
TPU-STIAll Belt Types,
BFX belts >720mm,
profiles
White
(other colors available)
92 Shore A0℃ to +80℃
(+32℉ to +176℉)
  • Great performance characteristics
  • Suitable for most applications
  • Standard cord is steel
TPU-ST2All Belt Types,
BFX belts >720mm,
profiles
Transparent85 Shore A5℃ to +50℃
(+41℉ to +122℉)
  • Higher coefficient of friction
  • Softer profile material
  • Flexible at lower temperture
  • Increased resistance to hydrolysis
  • Standard cord is Kevlar
TPU-ST3All Belt Types,
BFX belts >720mm
Transparent92 Shore A0℃ to +80℃
(+32℉ to +176℉)
  • Meets FDA regulations
TPU-N1ProfilesWhite96 Shore A0℃ to +80℃
(+32℉ to +176℉)
  • High wear resistance
  • For thin walled profiles
TPU-N2ProfilesTransparent98 Shore A0℃ to +80℃
(+3℉ to +176℉)
  • High wear resistance
  • For thin walled profiles
  • Fiberglass Reinforced
TPU-B1ProfilesTransparent60 Shore A0℃ to +80℃
(+32℉ to +176℉)
  • High flexibility
  • High coefficient of friction
  • For delicate product conveying
PA-N1ATN ProfilesBlack-0℃ to +80℃
(+32℉ to +176℉)
  • Contact Temp. up to 120℃ (248℉)
  • E-modulus: 14,500 N/mm2
  • Fiberglass reinforced
TPU-SM1ATP BeltsTransparent92 Shore A0℃ to +80℃
(+32℉ to +176℉)
  • For ATP pitch timing belts only

Food Grade Polyurethane Timing Belt Material

TypeProductsColorHardnessTemperature RangeComment
TPU-FDA1All Belt Types,
BFX belts,
profiles
Transparent92 Shore A0℃ to +80℃
(+32℉ to +176℉)
  • Suitable for intermittent cleaning with diluted cleaning agents
  • Meets FDA Regulations
TPU-FDA2All Belt Types,
BFX belts >720mm,
profiles
Transparent85 Shore A5℃ to +50℃
(+41℉ to +122℉)
  • Suitable for intermittent cleaning with diluted cleaning agents
  • Higher coefficient of friction
  • Meets FDA Regulations
TPU-AU1BFX belts =/<720mm,
profiles
Transparent92 Shore A0℃ to +50℃
(+32℉ to +122℉)
  • Suitable for intermittent cleaning with diluted cleaning agents
  • Meets FDA Regulations

Polyurethane Material for Low Ambient Temperatures

TypeProductsColorHardnessTemperature RangeComment
TPU-KF1All Belt Types,
BFX belts,
profiles
Transparent85 Shore A-25℃ to +5℃
(-13℉ to +41℉)
  • Reduced strength during cold start-up
  • High resistance to hydrolysis and bacteria
TPU-KF2All Belt Types,
BFX belts,
profiles
Transparent82 Shore A-30℃ to +10℃
(-22℉ to +141℉)
  • Reduced strength during cold start-up
  • High resistance to hydrolysis and bacteria

Polyurethane Material for High Ambient Temperatures

TypeProductsColorHardnessTemperature RangeComment
TPU-WB1All Belt Types,
profiles
White94 Shore A+20℃ to +110#8451
(-68℉ to +230℉)
  • Reduced strength during cold start-up
  • High resistance to hydrolysis and bacteria

Anti-Static Polyurethane Timing Belt Material

TypeProductsColorHardnessTemperature RangeComment
TPU-AS1All Belt Types,
profiles
Transparent92 Shore AAntistatic ISO 9533
10^9 ohms)
  • Not recommended for flammable or explosive environments
TPU-AS2All Belt Types,
profile
Black83 Shore AAntistatic IEC93
10^6 ohms)
  • Not recommended for flammable or explosive environments

NOTE: Various additional polyurethane materials are available upon request. Contact us for more information.

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