Sealing Ring, Plate And Bar Raw Material Shore A90 TDI Based Polyurethane

Brand Name:EXCEEDCHEM
Certification:ISO9001:2008
Model Number:TDI-80/Polyether Polyurethane Prepolymer Shore A90
Minimum Order Quantity:1mt
Delivery Time:5-8 work days
Payment Terms:L/C, T/T
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Location: Qingdao Shandong China
Address: No.166, Zhengyang Middle Road, Chengyang District, Qingdao City, Shandong Province, China. 266000
Supplier`s last login times: within 15 hours
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Product Details

Sealing Ring, Plate And Bar Raw Material Shore A90 TDI Based Polyurethane

1. Description


This is a TDI-80 based polyether polyurethane prepolymer.


2. Characteristics


  • Water resistance
  • Low temperature resistance
  • Mold resistance

3. Applications

  • Roller
  • Plate and bar
  • Sealing ring

4. Typical properties

TypeAppearanceViscosity(mPa.s/85℃)NCO%Packing(kg/drum)
Liquid400-5005.00-5.2020/200

5. Operating Procedure


First, the prepolymer should be preheated in 80-85℃. Second, after vacumming, the prepolymer is to be mixed with melting MOCA evenly. Third, with degassing, casting into mould, and vulcanization,and then demould. Lastly, the finished product should be post vulcanized.


6. Reaction parameters


ItemMOCA (%)Gel time(min)Mixing temperature(℃)Post vulcanization(h)
Specification14.3-14.83.5-4.085/12010

7. Finished products properties


ItemHardness(Shore A)Tensile strength(MPa)Tear strength(KN/m)Rebounding(%)
Physical properties9030-3170-7530

China Sealing Ring, Plate And Bar Raw Material Shore A90 TDI Based Polyurethane supplier

Sealing Ring, Plate And Bar Raw Material Shore A90 TDI Based Polyurethane

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