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Categories | TDI Based Polyurethane |
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Brand Name: | EXCEEDCHEM |
Model Number: | TDI-80/Polyether Polyurethane Prepolymer Shore A93-95 |
Certification: | ISO9001:2008 |
Place of Origin: | China |
MOQ: | 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%: | 6.20-6.40 |
MOCA%: | 18-18.3 |
Hardness: | Shore A93-95 |
Base: | TDI-80/Polyether |
Color: | colorless liquid |
Company Info. |
Qingdao Exceed Fine Chemicals Co.,Ltd |
Verified Supplier |
View Contact Details |
Product List |
Shore A93 TDI 80 Based On Polyurethane Casting Wheel, PU Roller
1. Description
This is a TDI-80 based polyether polyurethane prepolymer.
2. Characteristics
3. Applications
4. Typical properties
Type | Appearance | Viscosity(mPa.s/85℃) | NCO% | Packing(kg/drum) |
Liquid | 240-260 | 6.20-6.40 | 20/200 |
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
Item | MOCA (%) | Gel time(min) | Mixing temperature(℃) | Post vulcanization(h) |
Specification | 18-18.3 | 3-3.5 | 75/120 | 10 |
7. Finished products properties
Item | Hardness(Shore A) | Tensile strength(MPa) | Tear strength(KN/m) | Rebounding(%) |
Physical properties | 93-95 | 30-32 | 75-80 | 31 |
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