BLOXEN Silica Brick(Silimanite Brick And Andalusite Brick)


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Silica Brick refractory refractory brick High temperature high refractoriness refractory materials Silica

Product Description

Specifications: Sillimanite brick and andalusite brick
Size: 230 × 114 × 65 / 75 mm

Typical Application

Sillimanite bricks and andalusite bricks are available in a variety of specifications.
These bricks are used as hanging flame-blocking bricks in glass furnaces and as hot-repair bricks on the crowns of melting tanks, etc.

Parameter Control

Index	Unit	Mechanical Press			Casting
Al₂O₃	%	≥57	≥60	≥65	≥60
Fe₂O₃	%	≤1.2	≤1.0	≤1.0	≤1.0
Bulk Density	g/cm³	≥2.40	≥2.45	≥2.50	≥2.45
Apparent Porosity %	g/cm³	≤18	≤18	≤17	≤18
Cold Crushing Strength	MPa	≥70	≥70	≥70	≥60
Refractoriness under Load 0.2MPa,T0.6	℃	≥1560	≥1580	≥1650	≥1550
Thermal Shock Stability(1100℃, water cooling)	times	≥25	≥20	≥15	≥25
Permanent Linear Change After Heating(1450℃×2h)/%	%	-0.2~+0.2	-0.2~+0.2	-0.2~+0.2	-0.2~+0.2