Hangzhou Green Biotechnology Co.,Ltd.

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Nano Alumina

 

Product name

Alumina

CAS NO.

1344-28-1

Molecular formula

Al2O3

Molecular weight

102.0

Structure
Model

GRN9999

GRN9995

GRN9990

GRN9970

Crystallographic form

α

α

α

α

Purity

99.99%

99.95%

99.9%

99.7%

D50

≤0.70μm

≤0.80μm

≤0.80μm

≤0.80μm

BET

4-9 m2/g

4-9 m2/g

5-9 m2/g

5-9 m2/g

pH value

6-8

7-9

7-9

7-9

Fe

≤10 ppm

≤20 ppm

≤30 ppm

≤35 ppm

Na

≤10 ppm

≤20 ppm

≤30 ppm

≤35 ppm

K

≤5 ppm

≤10 ppm

≤15 ppm

≤15 ppm

Ca

≤5 ppm

≤10 ppm

≤15 ppm

≤15 ppm

Uses

diaphragm or  filming of polar plate of lithium ion battery  to improve the safety of lithium-ion batteries