Alumina for Electrician Filler


                         

 

This product is used as insulation materials for high-voltage electric switches. It is sold to various high voltage switch plants and used in 126kV-550kV SF6 circuit breaker, key insulator for switches for high voltage as 126kV-550kV GIS, ultrahigh voltage of 750 kV and extra high voltage of 1000KV. It can also can be used for insulation, filling and enhancement of cable joints, GIS of mutual inductors.


Key Character:


Good quality, high whiteness and low impurity content, reasonable particle distribution, low electrical conductivity, fine processing of epoxy resin casting. And we can provide customized product to meet with customer’s specific epoxy resin casting system.

 

Application Example:


Sulfur hexafluoride insulator and electrical insulation products.

 

Main Technical Parameters:


Grade

Al2O3 

SiO2 

Fe2O3

Na2O

D50

(um)

True density

(g/cm3) 

Conductivity

(μs/cm

PH value

Water Absorption

(ml/5g) 

Initial 

Viscosity

(cp) 

Pot Life

(min.)

ALF-02

99.8

0.05

0.03

0.10

12-21

3.95

40

7-9

0.8

3000

50-65

ALF-02S

99.8

0.05

0.03

0.10

9-18

3.95

40

7

0.8

3000

40-70

ALF-03

99.8

0.05

0.03

0.15

10-18

3.95

80

7

0.8

3000

60-80

ALF-03S

99.8

0.05

0.03

0.20

10-18

3.95

80

7

0.8

3000

80-95

ALF-05

99.8

0.05

0.03

0.10

12-22

3.95

80

7

0.8

3000

50-70

ALF-06

99.8

0.05

0.03

0.08

9-15

3.95

70

7

0.8

3000

70-80

ALF-07

99.8

0.05

0.03

0.10

9-15

3.95

80

7

0.8

3000

60-75

ALF-08

99.8

0.05

0.03

0.15

9-15

3.95

80

7

0.8

3000

30-50

ALF-09

99.8

0.05

0.03

0.05

9-15

3.95

80

7

0.8

3000

100-120

ALF-10

99.8

0.05

0.03

0.04

3-8

3.95

100

7

0.8

3000

120-200

If you have any question, please contact us