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MIN-SIL® Fused Silica
Resin Filler Grades
| Particle Size: |
Min-Sil™ 20 |
Min-Sil™ 40 |
| U.S. Alpine Sieve % |
100 |
0 |
< 0.2 |
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140 |
< 0.005 |
< 0.5 |
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200 |
< 1 |
< 10 |
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325 |
< 3 |
15 – 30 |
| Microtrac PM 50% |
μm |
9 – 16 |
19 – 27 |
| Surface Area |
m2/gm |
< 3 |
1.3 – 2.1 |
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| Magnetics: |
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| Buck Analyzer |
ppm |
< 20 |
< 20 |
| Chemical Composition: |
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| SiO2 |
> 99.7 % |
| Al2O3 |
< 1,700 ppm |
| Fe2O3 |
< 350 ppm |
| TiO2 |
< 250 pmm |
| K2O |
< 120 ppm |
| CaO |
< 75 ppm |
| Na2O |
< 50 ppm |
| LOI @ 1000°C |
< 0.5 % |
| Electrical Properties: |
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| Conductivity |
<5 µmhos |
| Physical Properties: |
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| Apparent Specific Gravity |
2.18 - 2.20 g/cc |
| Color |
White |
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| Thermal Properties: |
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| LTE Coefficient (20-700°C) |
0.5 - 0.6 x 10-6/°C |
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| Standard Packaging: |
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| 55 pound paper bags |
2,200 pounds per pallet |
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