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Fine Calcined Alumina Powder
 
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  Liangjiang brand is white powder, uniform grain size, low moisture, stalble chemical performance.Used as raw materials for aluminous refractory, ceramic products, sparking plugs and grinding materials. It is the basic material for aluminous refractory and high quality fillers with strong fire-retardant performance.


1、Main standard



Chemical composition

Alumina(α-AL2O3 )/ Fine Calcined

Appearance

White powder

Package

25kg woven bag, 1000kg big bag

Characteristics

It is white powder, uniform grain size, low moisture, stalble chemical performance.

Application

aluminous refractory, ceramic products, sparking plugs and grinding materials. It is the basic material for aluminous refractory and high quality fillers with strong fire-retardant performance.


2、Specification

No

Item

Unit

Index

LJ-A

LJ-B

1

AL2O3

%≥

99.5

99.5

2

SiO2

%≤

0.10

0.10

3

Fe2O3

%≤

0.03

0.04

4

Na2O

%≤

0.10

0.20

5

Loss in burning

%≤

1.0

1.0

6

α-AL2O3

%≥

96.0

95.0

7

Proportion

%≥g/cm3

3.96

3.94

8

Granularity%

≤2um

≥90

≥85

D50um

≥0.60

≥0.80


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