C - Chemistry – Metallurgy – 04 – B
Patent
C - Chemistry, Metallurgy
04
B
C04B 35/71 (2006.01) B22D 41/02 (2006.01) C04B 35/66 (2006.01) C09D 5/02 (2006.01) F27D 1/16 (2006.01)
Patent
CA 2183297
A pulverulent fiber-reinforced spray mix is disclosed in which about 0.02 to 0.3 wt. % of flexible, thermoset polymer fibers resistant to decomposition at a temperature up to about 400°F are added for each 100 wt. % of other solids in the mix to form a mix which both avoids formation of mat- like structures in the dry hopper of-refractory spray apparatus and provides a sprayed lining that is resistant to cracking and peeling during dry-out and preheat. The invention also comprises sprayable compositions formed by admixing water with the mix.
Harbison-Walker Refractories Company
Macrae & Co.
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