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BJB Polyurethane WC-590 FR 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: | Ln16CP_BJB-Polyurethane-WC-590-FR-A-B.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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WC-590 FR A/B is a two-part, clear, fire retardant 85 retardant 85 shore A polyurethane elastomer. It is recommended for use wherever a tough, flexible, permanently transparent elastomer is required. It can be easily tinted and will retain its color provided color stable colorants are used. WC-590 FR A/B does not contain MOCA, MDA or TDI. In addition to being an excellent castable product, it may also be used as an adhesive for bonding various plastic substrates. WC-590 FR A/B will meet the FAR 25.853 flammability test. |
| General Information | |
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| Uses |
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| Agency Ratings |
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| Appearance |
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| Forms |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Specific Gravity | 0.0170 | g/cm³ | ASTM D792 |
| Specific Gravity | |||
| Part A | 1.037 | g/cm³ | |
| Part B | 1.077 | g/cm³ |
| Thermoset | Nominal Value | Unit | |
|---|---|---|---|
| Demold Time (25°C, 6.35 mm) | 6.0 | hr | |
| Gel Time | 25.0 | min | |
| Work Time (25°C) 1 | 20.0 | min |
| Fill Analysis | Nominal Value | Unit | |
|---|---|---|---|
| Brookfield Viscosity - Mixed (25°C) | 1.06 | Pa·s |
| Additional Information | Nominal Value | Unit | |
|---|---|---|---|
| Cure Time (60 to 71°C) 2 | 3.0 to 5.0 | day |
| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Molding Shrinkage - Flow | 0.30 | % | ASTM D2566 |
| Hardness | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Durometer Hardness (Shore A) | 80 to 90 | ASTM D2240 |
| Elastomers | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Strength (Yield) | 13.2 | MPa | ASTM D412 |
| Tensile Elongation (Break) | 180 | % | ASTM D412 |
| Tear Strength | 36.8 | kN/m | ASTM D624 |
| Thermoset | Nominal Value | Unit | |
|---|---|---|---|
| Thermoset Components | |||
| Part A | Mix Ratio by Weight: 90, Mix Ratio by Volume: 91 | ||
| Part B | Mix Ratio by Weight: 100, Mix Ratio by Volume: 100 | ||
| Shelf Life | 26 | wk |
| Note Message | |
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| 1 . | 100g |
| 2 . | May be post cured at 140 to 160°F for 6-8 hrs to accelerate cure. Cure will be inhibited if cast against a tin catalyzed silicone RTV. |
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