PREPOLYMER for Sieve Machinery parts Sealing ring Roller
- Min. Order:
- 1000 Kilogram
- Min. Order:
- 1000 Kilogram
- Transportation:
- Ocean
- Port:
- SHANGHAI
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Contact Now| Place of Origin: | CHINA |
|---|---|
| Productivity: | 150000 tons/year |
| Supply Ability: | 250000 tons/year |
| Payment Type: | L/C,T/T,D/P |
| Incoterm: | FOB,CFR,CIF |
| HS Code: | 39095000 |
| Transportation: | Ocean |
| Port: | SHANGHAI |
Cpu For Tyres Wheel
Product Description
Pu Casting Gear Wheel
POLYSETER PREPOLYMER XCPU-E143
1. This product is a polyester polyol and toluene diisocyanate (T-100) in the synthesis of polyester polyurethane prepolymer.
2. Features: excellent wear resistance, oil resistance, mechanical properties.
3. Uses: Sieve, machinery parts, sealing ring, PU roller and other products.
4. Product Specifcation
|
Name of products |
Appearances |
Viscosity(mPa.s/85℃) |
NCO% content |
Package(kg) |
|
XCPU-E143 |
solid |
1300-1500 |
4.30-4.50 |
20 / 200 |
Custom Prepolymer For Wheel
5. Mixing and Curing Conditions
|
MOCA Level |
Recommended % Theory |
Prepolymer Temperature |
Curative Temperature |
Pot Life |
Demould Time |
Post Cure Time |
|
% |
% |
℃ |
℃ |
mins |
@ 100°C (hrs) |
@ 100°C (hrs) |
|
13 |
95 |
75-85 |
110-120 |
8-9 |
1 |
10 |
6. Processing Procedure:
Prepolymer at 75 ~ 85 ℃ preheating, after vacuum degassing, the melt MOCA good homogeneous mixing, deaeration, pouring, molding, vulcanization molding, stripping, vulcanization.
7. Physical Properties
Properties presented below are to be used as a guide and not intended for specification purposes.
|
Hardness |
Shore A |
90 |
|
Tensile Strength |
MPa |
50 |
|
100% Modulus |
MPa |
6.3 |
|
300% Modulus |
MPa |
11.8 |
|
Angle Tear Strength, Die C |
kN/m |
105 |
|
Trouser Tear Strength |
kN/m |
43 |
|
Elongation |
% |
630 |
|
Resilience |
% |
37 |
|
DIN Abrasion Resistance 10N |
mm 3 |
48 |
|
Cured Specific Gravity |
g/cm3 |
1.27 |
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