Light gray rectangular concrete blocks arranged in parallel rows.
Two white rectangular foam blocks, one tilted against the other.
Three white rectangular blocks, with a taller block centered between two shorter ones.
Light gray rectangular concrete blocks arranged in parallel rows.
Light gray rectangular concrete blocks arranged in parallel rows.
Two white rectangular foam blocks, one tilted against the other.
Three white rectangular blocks, with a taller block centered between two shorter ones.

烧结刚玉砖

FOB
尺寸:
L(930)*W(930)*H(700) cm
起订量:
25MT
物流方式:
海运
数量(件):
336
产品细节
基本信息
数量(件):336
体积:1 m³
起订量:25MT
单毛重:1680 kg
尺寸:L(930)*W(930)*H(700) cm
单净重:4.94 kg
物流方式:海运
规格编号:230X114X65MM
包装说明:PALLETS
商品介绍
烧结刚玉砖
刚玉砖是氧化铝含量大于85%的耐火砖。刚玉砖分为烧结刚玉砖和电熔刚玉砖。
锆刚玉耐火砖是在刚玉中加入ZrO2,经高温成型和高温烧结制成的高级耐火砖
这两种耐火砖的  差异:
首先,在耐高温性能方面存在差异。锆刚玉砖的耐火度大于1790℃,荷重软化温度大于1700℃。氧化锆刚玉耐火砖的使用温度为1600 ℃,且氧化锆刚玉耐火砖的高温性能优于纯刚玉砖。
此外,常温耐压强度有所不同。刚玉耐火砖的抗压强度为70-100MPa,而锆刚玉砖的常温耐压强度大于100MPa。
项目指标
90%Al
Al2O3,% ≥89
Fe2O3,%≤1.8
体积密度,g/cm3≥2.9
显气孔率,%≤16
常温耐压强度,Mpa≥90
0.2MPa荷重软化温度,℃≥1580-1620
重烧线变化,%1500℃*2h:-0.2~0.5
备注:以上规格可根据客户要求进行调整 

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