supply high quality furnace used clay brick - clay brick YL-9

supply high quality furnace used clay brick, thermal resistance, slag resistance, high alumina, washout resistance - details see: https://www.buildingsupplieshub.com/supply-high-quality-furnace-used-clay-brick-10081922

Place of Origin: Henan China (Mainland)	Brand Name: Yilong	Model Number: clay brick YL-9	Type: Clay Bricks
Porosity: Hollow	Size: as your want	Color: Red	Function: Acid Resistance Bricks,Firebricks
Feature: Angle Bricks,Thin Bricks	Technique: Steam-cured	Al2O3: 80	raw materials: clay brick
Certification: ISO9001-2008

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Introduction of the fire clay brick

High strength refractory clay brick series used for the electric furnace are made by adoption of fused magnesite, high purity magnesium sand and graphite as principal raw material, through high pressure molding and low temperature treatment. This product is mainly used for electric furnace lining, which enjoys advantages including high temperature resistance strength, corrosion and spalling resistance. According to the smelting conditions and the kind of smelting steel, different brands refractory brick are available.

Characters of the fire clay brick

1). high strength

2). anti corrosion

3). abrasion resistance

4). washout resistance

5). long service life

Physical and chemical indexes of the fire clay brick

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
°CRefractoriness ≥	1790	1790	1770	1750

Item		Index
Item		N-1	N-2a	N-2b	N-3a	N-3b	N-4	N-5	N-6
°C Refractoriness ≥		1750	1730	1730	1710	1710	1690	1670	1580
Refractoriness under load ≥		1400	1350		1320		1300
Reheating linear change %	1400°C,2h	0.1-0.4	0.1-0.5	0.2-0.5
Reheating linear change %	1350°C,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