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 This is the most common source of calcium in glazes. It is a high temperature flux that gives durability and hardness to glazes. 98.0% CaCO 3 with 1% retained on a 325 mesh sieve.
Product Details
Note: Sold in 5 lb. increments; Sold in 50 lb. increments for orders 50 lbs. or more.
CaCO 3
Priced by the pound. This is the most common source of calcium in glazes. It is a high temperature flux that gives durability and hardness to glazes.
Whiting 325 mesh - standard material used in pottery glazes. 98.0 % CaCO3 with 1% retained on a 325 mesh sieve
Calcium Carbonate alone is quite refractory but when mixed with feldspar or silica will start fluxing around 1100°C. It is often used in low fire clay bodies as an addition to help with glaze fit. It is rarely used as a flux in stoneware or porcelains. This is the Eastern Version of Calcium Carbonate.
**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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