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BMC 620X
| 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: | brrrYl_BMC-620X.pdf  |
| PRICE: | Order Products email sales@su-jiao.com |
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| BMC 620X molding compound is a mineral filled, glass-fiber-reinforced polyester compound suitable for compression, transfer and stuffer injection molding. It is a high impact material produced in extruded form for ease of handling. Other characteristics are good moldability, excellent overall electrical properties and flame resistance. Typical applications include brush holders, circuit breaker housings and welding gun handles. BMC 620X molding compound is produced in extruded form in a range of industrial colors. It is available in logs up to 12 inches in length or as precut slugs, of specific weight, in diameters 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 | 1.79 | g/cm³ | ASTM D792 |
| Molding Shrinkage - Flow (Compression Molded) | 0.25 to 0.35 | % | ASTM D955 |
| Water Absorption (23°C, 24 hr) | 0.19 | % | ASTM D570 |
| Hardness | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Barcol Hardness | 30 | ASTM D2583 |
| Mechanical | Nominal Value | Unit | Test Method |
|---|---|---|---|
| Tensile Strength (Yield, Compression Molded) | 55.2 | MPa | ASTM D638 |
| Flexural Strength (Compression Molded) | 145 | MPa | ASTM D790 |
| Compressive Strength | 165 | MPa | ASTM D695 |
| Impact | Nominal Value | Unit | Test Method |
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| Notched Izod Impact (Compression Molded) | 320 | J/m | ASTM D256 |
| Thermal | Nominal Value | Unit | Test Method |
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| Deflection Temperature Under Load (1.8 MPa, Unannealed, Compression Molded) | 260 | °C | ASTM D648 |
| Electrical | Nominal Value | Unit | Test Method |
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| Dielectric Strength 1 | 15 | kV/mm | ASTM D149 |
| Dielectric Constant (60 Hz) | 5.40 | ASTM D150 | |
| Dissipation Factor (60 Hz) | 0.020 | ASTM D150 | |
| Arc Resistance | 190 | 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 |
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| 1 . | Method A (Short-Time) |
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| ACRYREX® CM-205I | CHI MEI CORPORATION | Acrylic (PMMA) | ACRYREX® |
