Ransom & Randolph M47-8x16 Extra Coarse Stucco 50lb Bag

Article number: 289SP
Availability: In stock (23)

Alumina silica is produced from calcined mullite that is precisely sized as either flour or grain. It is available in three alumina contents: 47%, 60% and 70%. The standard alumina content in the investment casting industry is 47%; which provides a very economical and consistent product. These products are low in iron, alkaline and alkaline earth elements. In the investment casting industry, the main use of alumina silica is in backup slurries and as backup stucco.

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