high quality Alumina brick manufacturers

Name: high quality Alumina brick manufacturers
Brand: ziboleibao
Price: Negotiable

FOB Price

Negotiable / Metric Ton

1 Metric Ton(Min.Order)

Supply Ability 500 Kilogram / Kilograms per Month
Port qing dao
Payment Terms:T/T

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Product Details

Place of Origin:	Shandong, China	Brand Name:	ziboleibao	Model Number:	MLQ90
Composition:	Other, Alumina hollow ball	Product Type:	Other	Grade:	Alumina hollow ball

Product Description

Specifications

Alumina brick
1,high temperature resistance
2, low thermal conductivity
3.high alumina brick

Alumina brick

Hollow Alumina sphere bricks are sintered at high temperture after molding using hollow alumina sphere, corundum powder,and calcinedpowders mixed in definite proportion as raw material.

Characteristic

1,high temperature resistance,

2,low thermal conductivity,

3,good thermal insulation,

4,good chemical stability (acid-base erosion resistance ),

5, low bulk density (lighter than the same kind of material ,thin kiln wall, low cost ) .

Scope of application

They are widely used in inner linings of various non-contacted melt high temperature kiln and thermal insulating layers of high temperature kilns.

Physical and Chemical Indexes of Hollow Alumina Sphere Bricks
Name / Indexes/ Item		MLQ-1.5	LQ-1.2	LQ-1.5	LQ-1.7
Chemical composition	Al₂O₃ % ≥	84	98.5	98.5	98.5
	Fe₂O₃ % ≤	0.8	0.3	0.3	0.3
	SiO₂ % ≤	15	1.0	1.0	1.0
Bulk density g/m³≤		1.5	1.2	1.5	1.7
Compressive strength at normal temperature MPa≥		16	3	12	15
Porosity % ≥		58	62	60	58
Soften point at 0.1MPa KD°C≥		1650	1650	1700	1700
Fire resistant (°C)≥		1800	1800	1800	1800
Thermal conductivity Hot side 1000°C W/m.k≤		1.2	0.95	1.05	1.15

Contact Us

Shandong Leibao Zirconium Sci&Tech Co.,Ltd.: Contact nameLeo Wang; Phone86-533-2184798; AddressLijiatuan Village, Wangcun Town, Zhoucun District Zibo,Shandong

Product Categories

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zirconium silicate	zirconium sulfate

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