Cotton Filled Reinforced Powder (SI-621)
- Grade: SI-621
- Color: Blue, Brown, Black
- Molding Process: Compression, Transfer
- Features: Improved Heat Resistance, Surface Finish and Mould Stability
- Filler: Cotton
Product Specifications:
| Powder Properties : | Unit | Typical value |
| Apparent Density | gm/ml | 0.6-0.63 |
| Bulk Factor | —- | 2.16-2.30 |
| Shrinkage | cm/cm | 0.007-0.009 |
| Pelleting | —- | Good |
| Physical Properties : | ||
| Impact Strength | Kg-cm | 1.8-2.2 |
| Tensile Strength | kg/cm2 | 380-420 |
| Cross Breaking strength | kg/ cm2 | 600-700 |
| Specific gravity | —- | 1.36-1.38 |
| Electrical Properties: | ||
| Electrical Strength at 90 oC |
V/mm | 2500-3000 |
| Volume resistivity | log10 ohm-cm | 8.0-8.5 |
| Surface resistivity | log10ohm | 8.0-8.5 |
| Rate of cure : | ||
| Min. cure at 160°C | sec/mm | 40-55 |