Generality High Alumina Brick & Clay Brick

Address: F34, South Tower, Greenland Central Plaza, Zhengzhou, Henan Province, China
Tel：+86-371-88888998
Fax：+86-371-88886886
E-mai：sales8@chinaelong.com

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Name: Generality High Alumina Brick &Clay Brick
Products Id: a59
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Delivery Time: 30-60 Days
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Physical and chemical indexes

Brand	Index
Brand	LZ-75	LZ-65	LZ-55	LZ-48
Al2O3 % ≥	75	65	55	48
Crushing strength Mpa ≥	54	49	44	40
Apparent porosity ≤	23	23	22	22
Refractoriness under load ≥	1520	1500	1470	1420
Reheating linear change %	0.1-0.4	0.1-0.4	0.1-0.4	0.1-0.4
℃Refractoriness ≥	1790	1790	1770	1750

Brand		Index
Brand		N-1	N-2a	N-2b	N-3a	N-3b	N-4	N-5	N-6
Refractoriness ℃ ≥		1750	1730	1730	1710	1710	1690	1670	1580
Refractoriness under load ≥		1400	1350		1320		1300
Reheating linear change %	1400℃，2h	0.1-0.4	0.1-0.5	0.2-0.5
Reheating linear change %	1350℃，2h				0.2-0.5	0.2-0.5	0.2-0.5	0.2-0.5
Apparent porosity ≤		22	24	26	24	26	24	26	28
CCS Mpa ≥		30	25	20	20	15	20	15	15

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