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PUR，Unspecified BJB Polyurethane TC-878 A/B BJB Enterprises, Inc.
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برگه داده فنی
| impact performance | شرایط آزمون | روش آزمون | نتیجه آزمون | واحد آزمایش |
|---|---|---|---|---|
| Impact strength of cantilever beam gap | ASTM D256 | 66 | J/m | |
| mechanical properties | شرایط آزمون | روش آزمون | نتیجه آزمون | واحد آزمایش |
| Tensile modulus | ASTM D638 | 876 | MPa | |
| tensile strength | Yield | ASTM D638 | 29.2 | MPa |
| elongation | Yield | ASTM D638 | 160 | % |
| Bending modulus | ASTM D790 | 889 | MPa | |
| bending strength | ASTM D790 | 34.9 | MPa | |
| thermosetting | شرایط آزمون | روش آزمون | نتیجه آزمون | واحد آزمایش |
| Thermosetting mixed viscosity | 25°C2 | ASTM D2393 | 1630 | cP |
| Thermosetting components | PartA | 按重量计算的混合比:85.按容量计算的混合比:81 | ||
| PartB | 按重量计算的混合比:100.按容量计算的混合比:100 | |||
| Shelf Life | 26 | wk | ||
| Thermosetting mixed viscosity | 25°C3 | ASTM D2393 | 600 | cP |
| 25°C4 | ASTM D2393 | 1250 | cP | |
| Demold Time(25°C) | ASTM D2393 | 480to600 | min | |
| 后固化时间(25°C) | ASTM D2393 | 120to170 | hr | |
| GelTime | ASTM D2393 | 25.0 | min | |
| WorkTime5(25°C) | ASTM D2393 | 15.0 | min | |
| thermal performance | شرایط آزمون | روش آزمون | نتیجه آزمون | واحد آزمایش |
| Hot deformation temperature | 1.8MPa,Unannealed | ASTM D648 | 62.8 | °C |
| 0.45MPa,Unannealed | ASTM D648 | 87.8 | °C | |
| Physical properties | شرایط آزمون | روش آزمون | نتیجه آزمون | واحد آزمایش |
| density | --2 | ASTM D792 | 1.03 | g/cm³ |
| --3 | ASTM D792 | 1.08 | g/cm³ | |
| -- | ASTM D792 | 1.09 | g/cm³ | |
| 特定体积 | ASTM D792 | 0.950 | cm³/g | |
| Shrinkage rate | MD | ASTM D2566 | 0.50 | % |
| hardness | شرایط آزمون | روش آزمون | نتیجه آزمون | واحد آزمایش |
| Shore hardness | ShoreD | ASTM D2240 | 76to80 |
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