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Alumina Filler for Casting

A white powder with medium particle size, low conductivity, stable chemical performance and good performance of being processed and shaped in epoxy casting.
As a filler for isolating devices like high voltage switches.
Alumina Filler for Casting

SiO2
(%)

Fe2O3
(%)

Na2O
(%)

CaO
(%)

PH

Particle size(%)

Initial viscosity
cp

Hardening time minute

<0.10

<0.10

<0.70

63.5

6-9

13-22

<3000

>50

 

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FLAT/RM 1701 17/F HENAN BLDG 90 JAFFE RD WANCHAI HK
Phone: (852)3548-1877 ||China Office Phone&Fax: (86)411-3964-7069
E-Mail: chengming.limited@gmail.com