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BJB Polyurethane SP-301 A/B-4
| 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: | GShX5M_BJB-Polyurethane-SP-301-A-B-4.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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| Message |
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| The SP-301 A/B-4 is a rigid, fire retardant polyurethane foam system that can be easily sprayed through foam dispensing units. This system provides good impact resistance and shear strength. Applications include thermal insulation of building walls, tanks, roofs, vessels, and pipes, as well as a component of molds and parts. |
| General Information | |
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| Features |
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| Uses |
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| Processing Method |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Specific Gravity | |||
| Part A | 1.237 | g/cm³ | |
| Part B | 1.157 | g/cm³ | |
| K (wear) Factor (25°C) | 0.150 | ASTM C177 | |
| Viscosity | |||
| Part A : 25°C | 250 | mPa·s | |
| Part B : 25°C | 600 | mPa·s |
| Flammability | Nominal Value | Test Method | |
|---|---|---|---|
| Flame Spread - HB | < 25.0 | UL 94 | |
| Smoke Density - HB | < 450 | UL 94 |
| Thermoset | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Cream Time (25°C) | 3.0 to 4.0 | sec | |
| Tack Free Time | 11.0 to 13.0 | sec |
| Additional Information | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Closed Cell Content | 95 | % | ASTM D2856 |
| Cure Time (25°C) | 3.0 to 4.0 | hr | |
| Permeance | 2.00 to 3.00 | perm/in | ASTM E96 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Strength | 0.345 to 0.414 | MPa | ASTM D638 |
| Compressive Strength | 0.138 to 0.172 | MPa | ASTM D1621 |
| Shear Strength | 0.241 to 0.276 | MPa | ASTM D732 |
| Thermoset | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Thermoset Components | |||
| Part A | Mix Ratio by Weight: 95, Mix Ratio by Volume: 100 | ||
| Part B | Mix Ratio by Weight: 100, Mix Ratio by Volume: 100 | ||
| Shelf Life | 26 | wk |
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