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BJB Polyurethane TC-891 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: | T2FP7k_BJB-Polyurethane-TC-891-A-B.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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| Message |
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| TC-891 A/B incorporates a non-mercury based catalyst system that produces a tough 80 shore D material with a 12-minute work time. This system can be used to hand pour large electronic housing, models of all kinds, and point of purchase items. This system is also available in a 20-minute work time (TC-892), and a 5-minute work time (TC-890). |
| 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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| Processing Method |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Specific Gravity | 1.14 | g/cm³ | ASTM D792 |
| Specific Gravity | |||
| Part A | 1.18 | ||
| Part B | 1.04 | ||
| Color | |||
| Part A | Yellow | ||
| Part B | White |
| Thermoset | Nominal Value | Unit | |
|---|---|---|---|
| Gel Time | 17.0 | min | |
| Work Time (25°C) 1 | 12.0 | min |
| Fill Analysis | Nominal Value | Unit | |
|---|---|---|---|
| Brookfield Viscosity | |||
| Mixed : 25°C | 725 | mPa·s | |
| Part A : 25°C | 325 | mPa·s | |
| Part B : 25°C | 830 | mPa·s |
| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Molding Shrinkage - Flow 2(12.7 mm) | 0.30 | % |
| Hardness | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Durometer Hardness (Shore D) | 78 to 82 | ASTM D2240 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Modulus | 1650 | MPa | ASTM D638 |
| Tensile Strength | 52.4 | MPa | ASTM D638 |
| Tensile Elongation (Break) | 10 | % | ASTM D638 |
| Flexural Modulus | 1720 | MPa | ASTM D790 |
| Flexural Strength | 68.9 | MPa | ASTM D790 |
| Impact | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Notched Izod Impact | 37 | J/m | ASTM D256 |
| Thermal | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Deflection Temperature Under Load | ASTM D648 | ||
| 0.45 MPa, Unannealed | 90.6 | °C | |
| 1.8 MPa, Unannealed | 80.6 | °C |
| Thermoset | Nominal Value | Unit | |
|---|---|---|---|
| Thermoset Components | |||
| Part A | Mix Ratio by Weight: 100, Mix Ratio by Volume: 88 | ||
| Part B | Mix Ratio by Weight: 100, Mix Ratio by Volume: 100 | ||
| Shelf Life | 26 | wk | |
| Demold Time (25°C) | 180 to 240 | min | |
| Post Cure Time (82°C) | 16 | hr |
| Note Message | |
|---|---|
| 1 . | 100 g mass |
| 2 . | 12x0.5x0.5 in |
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