TDI 100 Based Polyurethane Prepolymer Shore A95
TDI-100/Polyester Polyurethane Prepolymer Shore A91 Special For Industrial Roller 1. Description This is a TDI-100 based Polyester polyurethane prepolymer. 2. Characteristics High oil resistance Abrasive resistance Good michanical performance 3. Applications Industrial roller 4. Typical properties Type Appearance Viscosity(mPa.s/85℃) NCO% Packing(kg/drum) Solid 1200 4.50-4.70 20/200 5. Operating Procedure First, the prepolymer should be preheated in 80-85℃. Second, after
TDI-100/Polyester Polyurethane Prepolymer Shore A91 Special For Industrial Roller
1. Description
This is a TDI-100 based Polyester polyurethane prepolymer.
2. Characteristics
- High oil resistance
- Abrasive resistance
- Good michanical performance
3. Applications
- Industrial roller
4. Typical properties
| Type | Appearance | Viscosity(mPa.s/85℃) | NCO% | Packing(kg/drum) |
| Solid | 1200 | 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 | 13.2-13.6 | 7-8 | 80/120 | 10 |
7. Finished products properties
| Item | Hardness(Shore A) | Tensile strength(MPa) | Tear strength(KN/m) | Rebounding(%) |
| Physical properties | 91 | 50-52 | 95 | 32 |
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