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BJB Polyurethane ST-3050 A/B
| Category: | TSU , Polyurethane Thermoset Elastomer |
| Manufacturer: | BJB Enterprises, Inc. |
| Trademark: | BJB Polyurethane |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | FVVLb8_BJB-Polyurethane-ST-3050-A-B.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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| Message |
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ST-3050 is a multi-purpose elastomer system that can perform many functions. Product characteristics are:
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| General Information | |
|---|---|
| Features |
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| RoHS Compliance |
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| Appearance |
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| Forms |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Specific Gravity | |||
| -- 1 | 1.05 | g/cm³ | |
| -- 2 | 1.08 | g/cm³ | |
| -- | 1.07 | g/cm³ | ASTM D792 |
| Shrinkage | 0.60 | % | ASTM D2566 |
| Thermoset | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Gel Time | 25.0 | min | |
| Work Time 3(25°C) | 20.0 | min |
| Additional Information | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Cure Time | 5.0 - 7.0 | day |
| Hardness | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Durometer Hardness (Shore A) | 45 - 55 | ASTM D2240 |
| Elastomers | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Strength 4(Break) | > 8.27 | MPa | ASTM D412 |
| Tensile Elongation 5(Break) | > 1400 | % | ASTM D412 |
| Tear Strength | 32.4 | kN/m | ASTM D624 |
| Thermoset | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Thermoset Components | |||
| Component a | Mixing ratio by weight: 100, mixing ratio by capacity: 100 | ||
| Component B | Mixing ratio by weight: 50, mixing ratio by capacity: 49 | ||
| Shelf Life (25°C) | 26 | wk | |
| Thermoset Mix Viscosity | Brookfield | ||
| 25°C 6 | 450 | cP | Brookfield |
| 25°C 7 | 3700 | cP | Brookfield |
| 25°C | 2600 | cP | Brookfield |
| Demold Time (25°C) | 180 - 240 | min |
| Additional Information | Nominal Value | Unit | Test Method |
|---|---|---|---|
| In order to achieve maximum physical properties, a post cure with heat is required. BJB recommends 24 hours at ambient temperature, 77°F (25°C), followed by 16 hours at 160°F (71°C). |
| Note Message | |
|---|---|
| 1 . | Part A |
| 2 . | Part B |
| 3 . | 100g mass |
| 4 . | Test specimens exceed travel distance of testing equipment. |
| 5 . | Test specimens exceed travel distance of testing equipment. |
| 6 . | Part B |
| 7 . | Part A |
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