| Silica Flour, 200 mesh, 5 lb
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| Price: $9.95 (USD) |
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SKU: 154015
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Ultra-fine additive to give strength to plaster casting molds.Various references report adding 20-40% silica to hydrocal increases temperature range and durability of the casting mold.
Common plaster has a maximum temperature range of 1300°F. Adding silica increases the safe range to 1450°F, the typical casting temperature. Pre-mix dry with hydrocal before sifting into water.
Available in a 5 lb box. |
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