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- Bulk Molding Compounds BMC 685 Mineral Filled, Glass Fiber Reinforced Polyester Compound
Bulk Molding Compounds BMC 685 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 685 Mineral Filled, Glass Fiber Reinforced Polyester Compound.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
BMC 685 molding compound is a mineral filled, glass fiber-reinforced polyester compound suitable for compression, transfer and stuffer injection molding It is characterized by good moldability, oil and solvent resistance and creep resistance at elevated temperatures.Typical applications include replacements for die castings and sheet molding compounds, valve covers, intake manifolds, oil pans and circuit breakers.
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Specific Gravity | 1.75 g/cc | 1.75 g/cc | |
| Water Absorption | 0.11 % | 0.11 % | 24 hours, 23°C |
| Linear Mold Shrinkage | 0.0015 - 0.0025 cm/cm | 0.0015 - 0.0025 in/in |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Hardness, Barcol | 55 - 65 | 55 - 65 | |
| Tensile Strength, Ultimate | 62.1 - 82.7 MPa | 9000 - 12000 psi | |
| Flexural Strength | 179 - 214 MPa | 26000 - 31000 psi | |
| Compressive Strength | 179 - 214 MPa | 26000 - 31000 psi | |
| Izod Impact, Notched | 7.47 - 10.1 J/cm | 14.0 - 19.0 ft-lb/in |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| Deflection Temperature at 1.8 MPa (264 psi) | >= 260 °C | >= 500 °F | |
| Flammability, UL94 | HB @Thickness 1.59 mm |
HB @Thickness 0.0625 in |
|
| V-0 @Thickness 6.35 mm |
V-0 @Thickness 0.250 in |
||
| V-0 @Thickness 3.17 mm |
V-0 @Thickness 0.125 in |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Dielectric Strength | 15.4 - 16.1 kV/mm | 390 - 410 kV/in | Short Time |
| 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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