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- Bulk Molding Compounds BMC 620X Mineral Filled, Glass Fiber Reinforced Polyester Compound
Bulk Molding Compounds BMC 620X Mineral Filled, Glass Fiber Reinforced Polyester Compound
| Category | Polymer , Thermoset , Filled/Reinforced Thermoset , Polyester, TS , Thermoset Polyester Glass and Mineral Filled BMC |
| Manufacturer | BMC - Bulk Molding Compounds Inc. |
| Trade Name | BMC |
| Port | Ningbo port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Bulk Molding Compounds BMC 620X Mineral Filled, Glass Fiber Reinforced Polyester Compound.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
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.
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Specific Gravity | 1.79 g/cc | 1.79 g/cc | |
| Water Absorption | 0.19 % | 0.19 % | 24 hours, 23°C |
| Linear Mold Shrinkage | 0.0025 - 0.00345 cm/cm | 0.0025 - 0.00345 in/in |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Barcol | 25 - 35 | 25 - 35 | |
| Tensile Strength, Ultimate | 48.3 - 62.1 MPa | 7000 - 9000 psi | |
| Flexural Strength | 131 - 159 MPa | 19000 - 23000 psi | |
| Compressive Strength | 152 - 179 MPa | 22000 - 26000 psi | |
| Izod Impact, Notched | 2.67 - 3.74 J/cm | 5.00 - 7.00 ft-lb/in |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| Deflection Temperature at 1.8 MPa (264 psi) | >= 260 °C | >= 500 °F | |
| Flammability, UL94 | V-0 @Thickness 6.35 mm |
V-0 @Thickness 0.250 in |
|
| V-0 @Thickness 3.17 mm |
V-0 @Thickness 0.125 in |
||
| V-0 @Thickness 1.59 mm |
V-0 @Thickness 0.0625 in |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Dielectric Constant | 5.4 @Frequency 60 Hz |
5.4 @Frequency 60 Hz |
|
| Dielectric Strength | 14.8 kV/mm | 375 kV/in | Short Time |
| Dissipation Factor | 0.020 @Frequency 60 Hz |
0.020 @Frequency 60 Hz |
|
| Arc Resistance | 190 sec | 190 sec | |
| Comparative Tracking Index | >= 500 V | >= 500 V |
| Processing Properties | Metric | English | Comments |
|---|---|---|---|
| Mold Temperature | 138 - 166 °C | 280 - 330 °F |
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