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BJB Polyurethane WC-756 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: | eY3OZP_BJB-Polyurethane-WC-756-A-B.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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WC-756 A/B is a two part, clear, 55 Shore D castable urethane that is commonly used to make clear or tinted parts of all kinds. When used at room temperature, castings 1/ 4 " thick or larger can be readily cast. Castings that are less than 1/ 4 " thick generally require a mild post-cure. PRODUCT HIGHLIGHTS:
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| General Information | |
|---|---|
| Features |
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| Appearance |
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| Processing Method |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Specific Gravity | 1.07 | g/cm³ | ASTM D792 |
| Specific Gravity | |||
| Part A | 1.077 | g/cm³ | |
| Part B | 1.017 | g/cm³ | |
| Specific Volume | 0.961 | cm³/g |
| Thermoset | Nominal Value | Unit | |
|---|---|---|---|
| Gel Time | 25.0 | min | |
| Work Time (25°C) 1 | 15.0 | min |
| Fill Analysis | Nominal Value | Unit | |
|---|---|---|---|
| Brookfield Viscosity | |||
| Mixed : 25°C | 850 | mPa·s | |
| Part A : 25°C | 650 | mPa·s | |
| Part B : 25°C | 675 | mPa·s |
| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Molding Shrinkage - Flow | 0.86 | % | ASTM D2566 |
| Hardness | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Durometer Hardness (Shore D) | 50 to 60 | ASTM D2240 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Modulus | 97.9 | MPa | ASTM D638 |
| Tensile Strength (Yield) | 14.7 | MPa | ASTM D638 |
| Tensile Elongation (Yield) | 720 | % | ASTM D638 |
| Flexural Modulus | 142 | MPa | ASTM D790 |
| Flexural Strength | 3.34 | MPa | ASTM D790 |
| Elastomers | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tear Strength | 50.3 | kN/m | ASTM D624 |
| Impact | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Notched Izod Impact | 880 | J/m | ASTM D256 |
| Electrical | Nominal Value | Test Method | |
|---|---|---|---|
| Dielectric Constant (1 MHz) | 3.51 | ASTM D150 | |
| Dissipation Factor (1 MHz) | 0.046 | ASTM D150 |
| Thermoset | Nominal Value | Unit | |
|---|---|---|---|
| Thermoset Components | |||
| Part A | Mix Ratio by Weight: 65, Mix Ratio by Volume: 62 | ||
| Part B | Mix Ratio by Weight: 100, Mix Ratio by Volume: 100 | ||
| Shelf Life | 26 | wk | |
| Demold Time (25°C) | 960 to 1400 | min |
| Note Message | |
|---|---|
| 1 . | 100g mass |
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