Shore A93 TDI 80 Based On Polyurethane Casting Wheel, PU Roller
Price:
FOB Qingdao usd3.0/kg
MOQ:
1mt
Delivery Time:
5-8 work days
Brand:
EXCEEDCHEM
Product Description
Shore A93 TDI 80 Based On Polyurethane Casting Wheel, PU Roller
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
| 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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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