Polyurethane for casting wheel PU rubber roller
- Min. Order:
- 1000 Kilogram
- Min. Order:
- 1000 Kilogram
- Transportation:
- Ocean
- Port:
- Shanghai
Your message must be between 20 to 2000 characters
Contact Now| Place of Origin: | China |
|---|---|
| Productivity: | 250000 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 |
PRODUCT DESCRIPTION
Cpu For Tyres Wheel
Pu casting wheel for crane machine iron wheels rubber cover roller
Custom Prepolymer For Wheel
Product Detail
| Viscosity(mPa.s/85 ℃) | 1800-2000 |
| NCO% content | 3.60-3.80 |
| Package(kg) | 20 / 200 |
| MOCA Level(%) | 10.8 |
| Recommended % Theory(%) | 95 |
| Prepolymer Temperature(℃) | 75-85 |
| Curative Temperature(℃) | 110-120 |
| Pot Life(mins) | 10 |
| Demould Time(@ 100°C (hrs)) | 1 |
| Post Cure Time(@ 100°C (hrs)) | 10 |
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-E136 |
solid |
1800-2000 |
3.60-3.80 |
20 / 200 |
5,Mixing and Curing Conditions:
|
MOCA Level |
Recommended |
Prepolymer |
Curative Temperature |
Pot Life |
Demould Time |
Post Cure Time |
|
% |
% |
℃ |
℃ |
mins |
@ 100°C(hrs) |
@ 100°C(hrs) |
|
10.8 |
95 |
75-85 |
110-120 |
10 |
1 |
10 |
Pu Casting Gear Wheel
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 |
Tensile Strength |
100% Modulus |
300% Modulus |
Angle Tear Strength, |
Trouser Tear Strength |
Elongation |
Resilience |
DIN Abrasion |
Cured Specific |
|
Shore A |
MPa |
MPa |
MPa |
kN/m |
kN/m |
% |
% |
mm3 |
g/cm3 |
|
85 |
48 |
4.2 |
3.8 |
75 |
34 |
670 |
39 |
40 |
1.26 |
Precautions:
1, The product is easy to absorb moisture, will lead to product deterioration in the transportation, storage and use shall be kept sealed packaging good, original sealed storage for six months after opening, to be used up as quickly as possible to prevent moisture absorption metamorphism; If you can not run out of time, to be purged with nitrogen and sealed.
2, The information listed in this specification, may be due to product renewal and change, in view of processing technology, formulation and processing and other applications Not the same, pre-test their applicability in case of application of the product, please contact the
XUCHUAN chemical research and development or technical service department.
Related Keywords
