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BJB Polyurethane TC-670 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: | 0I6Eub_BJB-Polyurethane-TC-670-A-B.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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| TC-670 A/B is a two-component polyurethane elastomer compound. This product is a safe, easy-to-handle, room temperature mixing and curing system that contains no TDI, MDI, MDA, or MOCA. The low shrinkage, superior toughness, and excellent detail reproduction of TC-670 A/B makes this system ideal for general-purpose castings and quality tooling operations. TC-670 A/B contains UV ray stabilizers to provide added protection when used in outdoor applications. |
| General Information | |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Specific Gravity | |||
| -- 1 | 1.06 | g/cm³ | |
| -- 2 | 1.11 | g/cm³ | |
| -- | 1.10 | g/cm³ | ASTM D792 |
| Shrinkage | 0.30 | % | 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 (25°C) | 5.0 - 7.0 | day |
| Hardness | Nominal Value | Unit | Test Method |
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| Durometer Hardness (Shore A) | 65 - 70 | ASTM D2240 |
| Elastomers | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Stress | ASTM D412 | ||
| 100% strain | 1.92 | MPa | ASTM D412 |
| 200% strain | 2.64 | MPa | ASTM D412 |
| 300% strain | 3.22 | MPa | ASTM D412 |
| Tensile Strength (Yield) | 9.10 | MPa | ASTM D412 |
| Tensile Elongation (Break) | 800 | % | ASTM D412 |
| Tear Strength | 30.5 | kN/m | ASTM D624 |
| Thermoset | Nominal Value | Unit | Test Method |
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| Thermoset Components | |||
| Component a | Mixing ratio by weight: 100, mixing ratio by capacity: 100 | ||
| Component B | Mixing ratio by weight: 95, mixing ratio by capacity: 91 | ||
| Shelf Life | 26 | wk | |
| Thermoset Mix Viscosity | Brookfield | ||
| 25°C 4 | 65.0 | cP | Brookfield |
| 25°C 5 | 6000 | cP | Brookfield |
| 25°C | 1360 | cP | Brookfield |
| Demold Time | 240 - 360 | min |
| Additional Information | Nominal Value | Unit | Test Method |
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| 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 130-160°F (54-71°C). |
| Note Message | |
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| 1 . | Part A |
| 2 . | Part B |
| 3 . | 100g mass |
| 4 . | Part B |
| 5 . | Part A |
| Resin Grade | Manufacturer | Category | Trademark |
|---|---|---|---|
| Shin-Etsu Elastomer KE-1950-60A/B | Shin-Etsu Silicones of America | Silicone Rubber, HTV | Shin-Etsu Elastomer |
| Stylac™ 767 | Asahi Kasei Chemicals Corporation | AS | Stylac™ |
| OP - PC - Filled 40GF | Oxford Polymers | PC | OP - PC - Filled |
| Sylvin 5223-92 Natural | Sylvin Technologies Incorporated | PVC, Unspecified | Sylvin |
| LGG 1052 | LG Polymers India Pvt. Ltd. | PS (GPPS) | LGG |
