for tank bottom paving Fire Brick Zircon-mullite brick

FOB Price

Negotiable / Ton

1 Ton(Min. Order)

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Product Details

1. High alkali corrosion resistance;
2. Thermal shock resistance;
3. High purity;
4. Low thermal conductivity

Physical and chemical index

Item		ZM-17	ZM-20	ZM-25
Chemical composition	Al₂O₃	≥70	≥59	≥57
	ZrO₂	≥17	≥19.5	≥25.5
	SiO₂	≤12	≤20	≤14.5
	Fe₂O₃	≤0.5	≤0.5	≤0.5
Apparent Porosity%		≤17	≤17	≤17
Bulk Density g/cm³		≥3.15	≥2.95	≥3.15
Cold Crushing Strength Mpa		≥90	≥100	≥120
0.1Mpa Refractoriness Under Load T_0.6°C		≥1650	≥1650	≥1650
Permanent Linear Change On Reheating (%)1500°CX2h		±0.3	±0.3	±0.3
20-1000°C Thermal Expansion % (x 10^-6)		0-0.6	0-0.6	0-0.6
Thermal Conductivity(Average 800°C) W/(M.K)		≤2.19	≤2.19	≤2.1
Pyrometric Cone Equivalent °C SK		31	31	31

they can used for long life orifice rings, tank bottom paving, tank superstructure, path blocks, prefume-bottle feeder, etc.

Zhengzhou Sunrise Refractory Co., Ltd.: Contact nameAmy Wang
Chat Now; Phone86-371-63838939; AddressNO 36 Fengchan Road zhengzhou Henan China, Zhengzhou, Henan

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