Refractory anchor bricks for power sector

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The qualified of anchor brick is similar to the material of furnace lining castables, used for several heating furnace and has good effect.

Formed by preeing and being fired at high temperature. Characterized by good thermal shock resistance and high strength.

Types		RS-HA-1	RS-HA-2	RS-HA-3	RS-HA-4	RS-HA-5	RS-HA-6	RS-HA-7	RS-HA-8
Al2O3 %		≥48	≥55	≥60	≥65	≥70	≥75	≥80	≥85
Fe2O3 %		≤2.5	≤2.5	≤2.5	≤2.0	≤2.0	≤2.0	≤2.0	≤1.8
Refractoriness °C		1750	1770	1790	1790	1790	1790	1790	1790
Apparent porosity %		≤23	≤23	≤23	≤22	≤22	≤22	≤21	≤21
Bulk density g/cm3		2.1	2.2	2.3	2.4	2.5	2.65	2.7	2.75
Refractoriness under load 0.2MPa °C		1420	1470	1480	1500	1510	1520	1530	1550
Cold crushing strength MPa		40	44	45	49	52	55	60	70
Permanent linear change %	1500°C×2h	~	+0.1~-0.4	+0.1~-0.4	+0.1~-0.4	+0.1~-0.4	+0.1~-0.4	+0.1~-0.4	+0.1~-0.4
Permanent linear change %	1450°C×2h	+0.1~-0.4	~	~	~	~	~	~