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BJB Polyurethane TC-852 A/B
| Category: | PUR, Unspecified , Polyurethane |
| Manufacturer: | BJB Enterprises, Inc. |
| Trademark: | BJB Polyurethane |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | 1RiMBv_BJB-Polyurethane-TC-852-A-B.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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TC-852 A/B produces a high impact, rigid 78 Shore D material that is commonly used to make computer housings, models of all kinds, artwork, and can also be used for electronic component encapsulation. TC-852 A/B is an excellent hand-castable product that produces parts with heat deflection temperatures up to 220°F (104°C). Product Highlights:
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| General Information | |
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| Features |
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| Uses |
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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 | 1.12 | g/cm³ | |
| -- | 1.15 | g/cm³ | ASTM D792 |
| Shrinkage 3 | 0.40 | % |
| Thermoset | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Gel Time | 5.0 | min | |
| Work Time 4(25°C) | 4.5 | min |
| Additional Information | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Cure Time (25°C) | 5.0 - 7.0 | day |
| Hardness | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Durometer Hardness (Shore D) | 76 - 80 | ASTM D2240 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Modulus | 1650 | MPa | ASTM D638 |
| Tensile Strength | 48.3 | MPa | ASTM D638 |
| Tensile Elongation (Break) | 12 | % | ASTM D638 |
| Flexural Modulus | 1860 | MPa | ASTM D790 |
| Flexural Strength | 72.4 | MPa | ASTM D790 |
| Impact | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Unnotched Izod Impact | 37 | J/m | ASTM D256 |
| Thermal | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Deflection Temperature Under Load | ASTM D648 | ||
| 0.45 MPa, not annealed | 102 - 107 | °C | ASTM D648 |
| 1.8 MPa, not annealed | 90.6 - 96.1 | °C | ASTM D648 |
| 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: 53 | ||
| Shelf Life | 26 | wk | |
| Thermoset Mix Viscosity | Brookfield | ||
| 25°C 5 | 1450 | cP | Brookfield |
| 25°C 6 | 70.0 | cP | Brookfield |
| 25°C | 250 | cP | Brookfield |
| Demold Time (25°C) | 60 - 120 | min |
| Additional Information | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Note: Reported physical properties are based on test specimens cured at an elevated temperature, 180°F (82°C).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 150-180°F (66-82°C). Support of the part may be required to prevent part deformation during the heat curing process. |
| Note Message | |
|---|---|
| 1 . | Part B |
| 2 . | Part A |
| 3 . | 12" x 1/2" x 1/2" |
| 4 . | 100g mass |
| 5 . | Part B |
| 6 . | Part A |
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