Glass Reinforced Powder(SI-042)
| Product Name: | Glass Reinforced Bakelite Powder |
| Color | Black, Brown |
| Grade: | SI-042 |
| Molding Process: | injection, Transfer |
| Features: | Low water absorption, very low shrinkage and high heat resistance, electrical resistance. |
| Filler: | Glass |
It is glass filled P.F. Moulding compound in powder form. Besides low water absorption, very low shrinkage and high, heat resistance, it has good electrical properties, which are very well maintained under humid conditions. Suitable for transferring moulding also.
| Specification: | ||
|---|---|---|
| Powder Properties : | Unit | Typical value |
| Apparent Density | gm/ml | 0.70-0.80 |
| Bulk Factor | —- | 2.2-2.57 |
| Shrinkage | cm/cm | 0.001-0.003 |
| Pelleting | —- | Fair |
| Physical Properties : | ||
| Impact Strength | Kg-cm | 3-6 |
| Tensile Strength | kg/cm2 | 300-350 |
| Cross Breaking strength | kg/ cm2 | 600-750 |
| Crushing Strength | kg/ cm2 | 2500-3000 |
| Specific Strength | —- | 1.6-1.8 |
| Plastic yield at 180°C | mm | 2-3 |
| Electrical Properties: | ||
| Electrical Strength at 90°C | V/mm | 9000-11000 |
| Volume resistivity | log10 ohm-cm | 11.0-12.0 |
| Surface resistivity | log10 ohm | 11.0-12.0 |
| Other Properties: | ||
| Water absorption | Mg | 350 |
| Coefficient of linear thermal expansion per °C | 0.000015-0.000020 | |
| Rate of cure: | ||
| Min. cure at 160°C | sec/mm | 60-90 |
| Moulding conditions: | ||
| Recommended moulding temp. | °C | 150-165 |
| Recommended injection pressure | kg/ cm2 | 80-120 |
| Recommended moulding pressure | kg/ cm2 | 250-450 |