High alumina brick of hot air stove

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Product Description:

热风炉用高铝砖

项目 item	RL—65	RL—55	RL—48
Al₂O₃, % 不小于 min	65	55	48
Fe₂O₃,% 不大于 max	-	-	-
耐火度℃ 不低于 Refractoriness min	1780	1760	1740
荷重软化开始温度，℃ 不低于 RUL min	1500	1470	1420
重烧线变化，% 1500℃x2h P.L.C. 1450℃x2h	0—-0.4	0—-0.4	0—-0.4
显气孔率，% 不大于 A.P. max	22(24)
常温耐压强度，Mpa 不小于 CCS min	50	45	40
抗震稳定性，1100℃水冷，次 Thermal Shock Resistance(cycle)	6
注：括号内的数值是蓄热室格子砖的指标 Note:The value in parentheses is there result of Checkers.

Product features: with high alumina brick of hot air stove USES Yang high quality bauxite clinker as main raw material, after high pressure forming, high temperature sintering, the main mineral composition of mullite, the product has excellent volume stability, low creep rate and good thermal shock resistance, are widely used in various parts of the hot blast stove.

High alumina brick of hot air stove

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