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BMC 501
| Category: | Polyester, TS , Thermoset Polyester |
| Manufacturer: | Bulk Molding Compounds, Inc. |
| Trademark: | BMC |
| Fillers: | - |
| Ports: | Qinzhou, Shekou, Shanghai, Ningbo |
| Delivery Terms | FOB, CIF, DAP, DAT, DDP |
| PDF: | B2N5sk_BMC-501.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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| BMC 501 molding compound is a mineral filled, glass-fiber-reinforced compound suitable for compression, transfer and stuffer injection molding. It provides the user with good electrical properties and extremely low water absorption. This product has a low mold shrinkage and resists the formation of internal voids normally associated with glass filled compounds. Typical applications include slip rings, brush holders and connector bases. BMC 501 molding compound is produced in extruded form in a range on industrial colors. It is available in logs up to 12 inches in length or as precut slugs, of specific weight, in diameters from 1" to 2 ½". Within this range, smaller diameters are supplied as multiple extrusions and weight tolerances are plus or minus 5% up to a maximum of plus or minus 15 grams. |
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| Physical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Specific Gravity | 1.93 | g/cm³ | ASTM D792 |
| Molding Shrinkage - Flow | 0.0 to 0.15 | % | ASTM D955 |
| Water Absorption (23°C, 24 hr) | 0.060 | % | ASTM D570 |
| Hardness | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Barcol Hardness | 25 to 35 | ASTM D2583 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Strength (Yield) | 34.5 to 48.3 | MPa | ASTM D638 |
| Flexural Strength | 82.7 to 110 | MPa | ASTM D790 |
| Compressive Strength | 138 to 165 | MPa | ASTM D695 |
| Impact | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Notched Izod Impact | 80 to 130 | J/m | ASTM D256 |
| Thermal | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Deflection Temperature Under Load (1.8 MPa, Unannealed) | 260 | °C | ASTM D648 |
| Electrical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Dielectric Strength 1 | 13 | kV/mm | ASTM D149 |
| Dielectric Constant (60 Hz) | 5.20 | ASTM D150 | |
| Dissipation Factor (60 Hz) | 0.020 | ASTM D150 | |
| Arc Resistance | 180 | sec | ASTM D495 |
| Comparative Tracking Index (CTI) | 500 | V | UL 746 |
| Flammability | Nominal Value | Unit | Test Method |
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| Flame Rating | UL 94 | ||
| 1.59 mm | V-0 | ||
| 3.18 mm | V-0 | ||
| 6.35 mm | V-0 |
| Injection | Nominal Value | Unit | |
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| Mold Temperature | 138 to 166 | °C |
| Note Message | |
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| 1 . | Method A (Short-Time) |
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