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Product Details:
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MOCA: | 12.8-13.3% | Hardness: | Shore 85A |
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Packing: | 20kg/drum; 200kg/drum | Appearance: | Liquid |
Base: | MDI Based | NCO: | 4.5-4.7% |
Highlight: | Shore A85 MDI Based Polyurethane,Bonding MDI Based Polyurethane,Shore A85 MDI Polyurethane |
MDI/Polyether Polyurethane Prepolymer Shore A85
1. Description
This is a MDI based polyether polyurethane prepolymer.
2. Characteristics
3. Applications
4. Typical properties
Type | Appearance | Viscosity(mPa.s/85℃) | NCO% | Packing(kg/drum) |
Liquid | 280-300 | 4.50-4.70 | 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 | 12.8-13.3 | 3.5-4.0 | 80/120 | 10 |
7. Finished products properties
Item | Hardness(Shore A) | Tensile strength(MPa) | Tear strength(KN/m) | Rebounding(%) |
Physical properties | 85 | 20-22 | 50-60 | 27 |
Contact Person: Louis.liu
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