About |
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TC-8750 A/B is a two-component urethane casting compound that is specifically formulated for high abrasion and impact resistance. It is recommended for use casting highly wear-resistant parts and linings. This product is safe and easy-to-handle. TC-8750 A/B is relatively insensitive to typical environmental moisture and will make excellent void-free parts without the problems that some conventional urethane systems exhibit. Because of this product’s exceptional toughness and abrasion resistance, castings made with TC-8750 A/B are particularly suitable for mining and mineral process industries. Product Highlights: Exceptionally tough, abrasion resistant, high impact material Contains no MDI, MDA, OR MOCA Easy to handle Room temperature mixing and curing&& |
Product Description | |
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Generic | TSU |
Material Status | Commercial: Active |
Features | High impact resistance,Ultra high toughness,Good wear resistance |
Availabilitys | North America |
Process Methods | casting |
Technical Data | |||
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PHYSICAL | Nominal value | Unit | Test method |
Density | |||
— | 1.12 | g/cm³ | |
— | 1.17 | g/cm³ | |
— | 1.13 | g/cm³ | ASTM D792 |
Shrinkage rate | 0.20 | % | ASTM D2566 |
elastic body | Nominal value | Unit | Test method |
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tensile strength | |||
yield | 20.7 | MPa | ASTM D412 |
Tensile strain | |||
fracture | 450 | % | ASTM D412 |
tear strength | 105 | kN/m | ASTM D624 |
THERMAL | Nominal value | Unit | Test method |
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Thermosetting components | |||
Component A | 按重量计算的混合比: 100, 按容量计算的混合比: 100 | ||
Component B | 按重量计算的混合比: 30, 按容量计算的混合比: 29 | ||
Storage period | |||
25℃ | 26 | wk |
Thermosetting mixed viscosity | Nominal value | Unit | Test method |
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25℃ | 4000 | cP | |
25℃ | 250 | cP | |
25℃ | 4750 | cP | |
stripping time | |||
25℃ | 240 to 360 | min | |
Gelation time | 20.0 | min | |
working hours | |||
25℃ | 15.0 | min |
Supplementary information | Nominal value | Unit | Test method |
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Curing time | |||
25℃ | 5.0 to 7.0 | day |
MECHANICAL | Nominal value | Unit | Test method |
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Shore hardness | |||
Shaw’s D | 50 to 60 | ASTM D2240 | |
Bending modulus | 173 | MPa | ASTM D790 |
bending strength | 6.69 | MPa | ASTM D790 |
Notes |
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