Release coating for glass manufacture

Details Release coating for glass manufacture Release coating for glass manufacture

C - Chemistry, Metallurgy

09

K

253/14, 6/6

C09K 3/00 (2006.01) B22C 3/00 (2006.01) B28B 7/36 (2006.01) C03B 40/00 (2006.01) C03B 40/02 (2006.01) C04B 28/26 (2006.01)

Patent

CA 1047705

A B S T R A C T A composition and method of preparation are herein described for molten release and parting com- positions adaptable for use in glass-forming operations. The novel composition comprises an aqueous dispersion of a mixture of a solid lubricant, a water-soluble silicate binder, a setting agent, and a water-soluble phosphate. A preferred composition comprises a mixture of flake graphite, boron nitride, sodium silicate, zinc oxide and potassium phosphate tribasic.

238151

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