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A composition which comprises a soluble or partially soluble phosphate, a refractory material and less than 1% of an oxide or hydroxide of magnesium or calcium. The composition may be mixed with water to form an investment casting slurry into which a wax pattern may be dipped. Slurry coated onto the pattern may be set by applying a stucco composition which comprises an oxide or hydroxide of magnesium or calcium. Coats of set slurry may be built up on the pattern to form an investment casting shell.
A composition which comprises a soluble or partially soluble phosphate, a refractory material and less than 1% of an oxide or hydroxide of magnesium or calcium. The composition may be mixed with water to form an investment casting slurry into which a wax pattern may be dipped. Slurry coated onto the pattern may be set by applying a stucco composition which comprises an oxide or hydroxide of magnesium or calcium. Coats of set slurry may be built up on the pattern to form an investment casting shell.
INVESTMENT CASTING COMPOSITIONS
SHAW RICHARD D (author)
2019-06-13
Patent
Electronic Resource
English
| British Library Online Contents | 1996
ACTINIC RADIATION CURABLE CYANOACRYLATE COMPOSITIONS FOR CERAMICS AND INVESTMENT CASTING
| European Patent Office | 2024