Machine Parts Polyester Based Polyurethane Shore A80
Price:
FOB Qingdao usd3.0/kg
MOQ:
1mt
Delivery Time:
5-8 work days
Brand:
EXCEEDCHEM
Product Description
TDI-100/Polyester Polyurethane Prepolymer Shore A80
1. Description
This is a TDI-100 based Polyester polyurethane prepolymer.
2. Characteristics
- High oil resistance
- Abrasive resistance
- Good michanical performance
3. Applications
- Sieve plate
- Machine parts
- Sealing ring
- Roller
4. Typical properties
| Type | Appearance | Viscosity(mPa.s/85℃) | NCO% | Packing(kg/drum) |
| Solid | 2200-2400 | 3.00-3.20 | 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 | 8.7 | 12-13 | 85/120 | 10 |
7. Finished products properties
| Item | Hardness(Shore A) | Tensile strength(MPa) | Tear strength(KN/m) | Rebounding(%) |
| Physical properties | 80 | 45-47 | 65-70 | 38 |
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Company
Qingdao Exceed Fine Chemicals Co.,Ltd
Location
No.166, Zhengyang Middle Road, Chengyang District, Qingdao City, Shandong Province, China. 266000
Contact Person
Louis.liu