Heat fused refractory product containing zirconia having high co

Details Heat fused refractory product containing zirconia having high co Heat fused refractory product containing zirconia having high co

1976-08-30

1977-10-11

Poer, J.

Compositions: coating or plastic

Coating or plastic compositions

Metal-depositing composition or substrate-sensitizing...

C04B 3548

Patent

active

040533212

ABSTRACT:
A ZrO.sub.2 -Al.sub.2 O.sub.3 -SiO.sub.2 type heat fused refractory product comprises 40 to 70 wt.% of ZrO.sub.2 + SnO.sub.2 ; 10 to 58 wt.% of Al.sub.2 O.sub.3 + Cr.sub.2 O.sub.3 and 2 to 20 wt.% of SiO.sub.2 wherein the content of alkali metal oxide is less than that of SiO.sub.2 ; the content of SnO.sub.2 is more than that of SiO.sub.2 ; and the content of ZrO.sub.2 is more than that of SnO.sub.2.
The heat fused refractory product containing zirconia has excellent corrosion resistance and low expansion characteristics.

REFERENCES:
patent: 3837870 (1974-09-01), Recasens et al.

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