| About |
|---|
| BMC 605LWR is a mineral filled, glass fiber reinforced polyester bulk molding compound suitable for compression, transfer and stuffer injection molding. It is designed to provide improved wear resistance compared to standard BMC605. BMC 605LWR 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.&& |
| Product Description | |
|---|---|
| Generic | 热固性聚酯 |
| Material Status | Commercial: Active |
| Features | Excellent Processability,Good Electrical Properties,Flame Characteristics,Good wear resistance,V-0 |
| Availabilitys | North America |
| Technical Data | |||
|---|---|---|---|
| PHYSICAL | Nominal value | Unit | Test method |
| Density | 1.87 | g/cm³ | ASTM D792 |
| Shrinkage rate | |||
| MD: Compression molding | 0.20 to 0.40 | % | ASTM D955 |
| Water absorption rate | |||
| 23℃，24hr | 0.10 | % | ASTM D570 |
| IMPACT | Nominal value | Unit | Test method |
|---|---|---|---|
| Impact strength of cantilever beam notch | |||
| Compression Molding | 210 | J/m | ASTM D256 |
| THERMAL | Nominal value | Unit | Test method |
|---|---|---|---|
| Hot deformation temperature | |||
| 1.8 MPa, unannealed, molded | 260 | ℃ | ASTM D648 |
| Electrical performance | Nominal value | Unit | Test method |
|---|---|---|---|
| Dielectric strength | 12 | kV/mm | ASTM D149 |
| Arc resistance | 180 | sec | ASTM D495 |
| Compared to the leakage tracing index | 600 | V | UL 746 |
| FLAME CHARACTERISTICS | Nominal value | Unit | Test method |
|---|---|---|---|
| Flame retardant level | UL 94 | ||
| 1.60 mm | V-0 | UL 94 | |
| 3.20 mm | V-0 | UL 94 | |
| 6.40 mm | V-0 | UL 94 |
| MECHANICAL | Nominal value | Unit | Test method |
|---|---|---|---|
| tensile strength | |||
| Yield, molding | 37.9 | MPa | ASTM D638 |
| bending strength | |||
| Compression Molding | 96.5 | MPa | ASTM D790 |
| compressive strength | 128 | MPa | ASTM D695 |
| Babbitt hardness | 18 | ASTM D2583 |
| Process Conditions | |||
|---|---|---|---|
| injection | Nominal value | Unit | Test method |
| Mold temperature | 138 to 166 | °C | |
| Notes |
|---|
| 1. Typical properties: these are not to be construed as specifications. |
| 2. Method A (Short-Time) |
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