Cast Big Mullite Brick

Apparent Porosity:≤17％

Bulk Density:≥2.55 g/cm3

Cold Crushing Strength:≥60 Mpa

0.2Mpa Refractoriness Under Load T0.6 ℃:≥1580

Permanent Linear Change On Reheating(%)1500℃X2h:0～+0.4

Thermal Shock Resistances 100℃ water cycles:≥18

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Overview

Mullite brick IS characterized by good high temperature resistance and good thermal shock resistance, whick comes into being mullite through calcine with clay, high alumina materials and ceramics.

► The main applications are:
◆Sulfuric cracking furnace
◆Fibrous glass furnance

► Specifications:
◆Low permanent linear change on reheating
◆Good Thermal Shock Stability
◆High dense structure

► Advantages:
◆High quality
◆chemical corrosion- resistance

Technical Data

Item		MU 60	MU 65	MU 70	MU 75
Chemical composition	Al₂O₃	≥60	≥65	≥70	≥75
	SiO₂	≤35	≤33	≤26	≤24
	Fe₂O₃	≤1.0	≤1.0	≤0.6	≤0.4
Apparent Porosity (％)		≤17	≤17	≤17	≤18
Bulk Density (g/cm³)		≥2.55	≥2.55	≥2.55	≥2.55
Cold Crushing Strength (Mpa)		≥60	≥60	≥80	≥80
0.2Mpa Refractoriness Under Load T0.6 (℃)		≥1580	≥1600	≥1600	≥1650
Permanent Linear Change On Reheating (%) 1500℃X2h		0～+0.4	0～+0.4	0～+0.4	0～+0.4
Thermal Shock Resistances 100℃ water cycles		≥18	≥18	≥18	≥18

Inquiry

sales@sunriserefr.com
0086-371-63838939
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