Investment Casting Grade Fused Silica Grains 50-100mesh
Product Description
Investment Casting Grade Fused silica Specifications:
3. Particle Size Distribution
*Pan designates the percentage of fused silica passing the last reported screen for each size.
Fused Silica Pictures:
Package and Delivery:
Paper bags
Plastic Woven Bag of 25kg Net each,Then on Pallet:
Factory and Quality Control Pictures:
| 1. | Physical Properties | ||
| 1.1 | Composition | SiO2 | |
| 1.2 | Structure | Amorphous | |
| 1.3 | Colour | Transparent or white | |
| 1.4 | Melting Temperature | approx.1750ºC | |
| 1.5 | Specific Gravity | 2.21g/cm3 | |
| 1.6 | Hardness | 7 Mohs | |
| 1.7 | Thermal Expansion | 0.5*10-6 | |
2. | Chemical Properties | ||
| Investment Casting Grade | |||
| 2.1 | SiO2 | >99.85% | |
| 2.2 | Al2O3 | <100ppm | |
| The finer the power,the higher the Al2O3,as powder is produced by ball mill with Alumina ball. | |||
| 2.3 | Fe2O3 | <60ppm for grains <100ppm for powder | |
| 2.4 | CaO | <30ppm | |
| 2.5 | Na2O | <30ppm | |
| 2.6 | K2O | <30ppm | |
3. Particle Size Distribution
| Standard | |||||||
| 10-20 | 30-50 | 50-100 | -120 | -200 | -325 | ||
| Mesh | Microns | ||||||
| +8 | 2360 | <2 | |||||
| +12 | 1700 | 6-25 | |||||
| +16 | 1180 | 33-50 | |||||
| +20 | 850 | 25-45 | <1 | ||||
| +30 | 600 | 13 | 25-40 | ||||
| +40 | 425 | 32-45 | |||||
| +50 | 300 | 15-30 | <13 | ||||
| +70 | 212 | 30-60 | |||||
| +80 | 180 | 0-11 | <1 | ||||
| +100 | 150 | 28-51 | <10 | <1 | |||
| +140 | 106 | 4-16 | 7-13 | <10 | |||
| +200 | 75 | <2 | 10-15 | <10 | <3 | ||
| +325 | 45 | 14-20 | 15-30 | 4-11 | |||
| Pan | <3 | <2 | <1 | 45-55 | 70-80 | 86-97 | |
Fused Silica Pictures:
Package and Delivery:
Paper bags
Plastic Woven Bag of 25kg Net each,Then on Pallet:
Factory and Quality Control Pictures:
Product Categories : Minerals > Fused silica
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