Glass Furnace Refractories Indicators

Tubular trellis brick for regenerative chamber and standard brick
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Email: js@jinshirefractory.com

Product		Fused combined magnesia					Fused combined magnesia chromite	Low porosity clay brick
		DMZ-98		DMZ-97	DMZ-96	DMZ-95	DMC-12	DN-45
Chemical composition%	MgO      %		≥97.7	≥97	≥96	≥95	≥70
	SiO2          %		≤0.5	≤1.0	≤1.2	≤1.5	≤2.5
	CaO      %			≤1.2	≤1.2	≤1.5	≤1.0
	Fe2O3        %		≤0.6	≤0.9	≤1.0	≤1.2
	Cr2O3        %						≥12
	Al2O3        %							≥45
physical performance	Apparent porosity %		≤15	≤18	≤18	≤18	≤18	10～15
	Compressive strength at room temperatureMpa		≥60	≥65	≥60	≥60	≥40	≥45
	0.2MpaLoad softening temperatureT0.6 % ℃		＞1700	≥1700	≥1700	≥1700	≥1650	≥1400
	Bulk densityg/cm3		≥3.05	≥3.05	≥3.0	≥3.0	≥3.0	≥2.35
	Coefficient of thermal expansion  % （℃）		1.9 (1400℃)
	Thermal Conductivity w/m．k 400℃ 700℃ 1100℃		7.5 5.5 4.2

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