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C700-57D Hydrolysis Resistant Casting Polyurethane Tube,sealing Lathe-Cut Seals SHD57

- Good Mechanical Properties
- Hydrolysis Resistant
- Excellent Extrusion Resistance
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  • Description
  • Physical Properties
  • Applications
  • Important Note
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Description
Polyurethane Tube(thermoplastic polyurethane elastomer)
  • High tensile properties
  • High tear strength
  • Low compression set
  • Excellent abrasion resistance
Physical Properties
  UnitC700-57D
Colour  C700-57D Hydrolysis Resistant Casting Polyurethane Tube,sealing Lathe-Cut Seals SHD57
HardnessDIN 53505ShoreA97±2
HardnessDIN 53505ShoreD57±4
DensityISO 1183g/cm31.2
modulusDIN 53504N/mm2≥18
300% modulusDIN 53504N/mm2≥25
Tensile strengthDIN 53504N/mm2≥40
Elongation at breakDIN 53504%≥350
Compression set   
70℃/24h 25% def.ISO 815%≤40
100℃/24h 25% def.ISO 815%≤55
Rebound resilienceDIN 53512%≥35
Tear strengthISO 34-1N/mm2135
AbrasionDIN ISO 4649mm3≤45
Minimum service temperature ℃-30
Maximum service temperature ℃100
Data of other materials are available on request.
Applications
Mostly used for rod seals, piston seals and wipers in standard hydraulics. Due to its outstanding hydrolysis resistant, it can be used for water hydraulic, mining, tunnelling, manufacturing of presses, the use in pure and seawater, HFA and HFB fluids and biologically degradable hydraulic fluids (vegetable oils and synthetic esters) and food articles.
Industrial
Mining
Break Hammer
Pneumatic
Oil Gas Extraction
Hydraulic
Engineering Machinery
Important Note
The values shown above are only valid for material samples prepared for test purposes according to the stated standards. The figures should be regarded as guide values only. Kindly note that the results refer exclusively to the specimens tested. Under certain conditions, the test results established can be affected to a considerable extent by the processing conditions and manufacturing process.

 

We reserve the right to update this data sheet from time to time if new empirical values are available. Errors and omissions excepted.

 

PUB October 2020
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LEARN MORE FROM FAQ

You will find yourself working in a true partnership that results in an incredibleexperience,and an end product that is the best.
  • How to quickly select the required materials？
    First choose the hardness required, and then look at the dielectric resistance of the material, and finally look at the mechanical properties of the material.
  • What factors have the greatest influence on the service life of seals？
    After many years of application feedback and summary discussion, the failure of seals is mainly caused by the internal heat of the material, the mechanical properties of the material are greatly reduced, and the material is affected by the medium, and is damaged by the medium penetration. In both cases, choosing materials with better dynamic properties and better dielectric resistance can solve the problem.
  • There are so many materials. What should I choose？
    C700 and P600 are standard materials for most sealing applications. Of course, the working temperature is too high or there are some special media need to use more appropriate materials.

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