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 Feldspathic silica sands which can be used in place of grog in clay bodies to add texture and strength.
Product Details
Note: Sold in 5 lb. increments; Sold in 100 lb. increments for orders 100 lbs. or more.
Priced per pound. Feldspathic silica sands which can be used in place of grog in clay bodies to add texture and strength. Available in a number of screened sizes.
| Typical analysis: |
| SiO2 |
75.0-84.0% |
| Al2O3 |
8.0-12.0% |
| Fe2O3 |
0.2-0.6% |
| Na2O |
1.0-4.0% |
| CaO |
1.0-3.0% |
| MgO |
0-0.1% |
| K2O |
3.0-5.0% |
| Ti2O |
0-0.3% |
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| LOI |
0.2% |
Begins to soften at Cone 7, 2250°F.
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US Sieve Series1 |
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16 mesh |
20 mesh |
30 mesh |
40 mesh |
50 mesh |
60 mesh |
70 mesh |
80 mesh |
100 mesh |
140 mesh |
200 mesh |
Pan |
Percentage retained
on screen |
16 |
25-50% |
28-63% |
4-30% |
- |
0-10% |
- |
- |
- |
- |
- |
- |
0-5% |
| 30 |
- |
- |
0-1.0% |
2-40% |
40-80% |
20-45% |
- |
- |
4-20% |
- |
- |
0-2% |
| 60 |
- |
- |
0-0.2% |
0-3% |
3-23% |
- |
45-60% |
- |
14-26% |
3-16% |
0-7% |
0-4% |
| 60-M |
- |
- |
- |
0-5% |
- |
5-25% |
- |
20-45% |
10-25% |
- |
10-30% |
0-5% |
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1Percentages retained on US sieves are derived from average production figures and do not represent specifications. |
Coarser particles tend to fuse and melt out onto the surface of pots in the form of small pearls. Also contributes some black speckling to clay bodies. Mineral and particle size composition is variable. This material has a fractured irregular shape.
**Note: For large or heavy orders that weigh 150 lbs. or more, we will advise you of the approximate freight cost. You will not be charged until we verify shipping costs with you.**
 View SDS Sheet
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