Sunward Refractories

Products

Fireclay Bricks
Sunward’s fireclay bricks are made from silica-alumina materials and are widely used in various type of industrial kilns. The advantages of Sunward’s fireclay bricks are:

Superior stability of volume over a wide temperature range.
Can be manufactured to customers’ unique specifications.

Specification

Brand	F1	F1-1	F2	F2-1	F3	F3-1	F4	F5
Properties	F1	F1-1	F2	F2-1	F3	F3-1	F4	F5
Refractoriness (SK)	34	34	33	33	32	32	31	30
Apparent Porosity (%)	≦24	≦20	≦24	≦21	≦26	≦26	≦26	≦26
Bulk Density (g/cm³)	≧2.00	≧2.15	≧1.95	≧2.10	≧1.90	≧2.00	≧1.90	≧1.85
Cold Crushing Strength (kg/cm²)	≧200	≧400	≧200	≧300	≧200	≧400	≧200	≧200
Chemical Composition ( % ) Al₂O₃ Fe₂O₃	≧40 ≦3.0	≧42 ≦2.0	≧33 ≦3.0	≧38 ≦2.0	≧30 ≦3.0	≧32 ≦3.0	≧28 ≦3.0	≧26 ≦3.0

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