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

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

Brand Name EXCEEDCHEM
Model Number TDI-80/Polyether Polyurethane Prepolymer Shore A90
Certification ISO9001:2008
Place of Origin China
Minimum Order Quantity 1mt
Price FOB Qingdao usd3.0/kg
Payment Terms L/C, T/T
Supply Ability 3000mt/month
Delivery Time 5-8 work days
Packaging Details 20kg/drum; 200kg/drum
NCO% 5.00-5.20
MOCA% 14.3-14.8
Hardness Shore A90
Color colorless liquid
Base TDI-80/Polyether
Application Roller, Plate and bar, Sealing ring
Detailed Product Description

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

 

 
Product Tags: Shore A90 TDI Based Polyurethane   Sealing Ring TDI Polyurethane   A90 TDI Based Polyurethane  
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