electric welding rod application powder shape white mica powder

definition

Mica belongs to aluminum silicate minerals with 

continuous layered tetrahedron structure of silicon oxygen .

Chemical

 composition

SiO2 %

Al2O3 %

K2O %

H2O %

MgO %

muscovite

45.2

38.5

11.8

4.5

phlogopite

38.7~45

10.8~17

7~10.3

0.3~4.5

21.4~29.4

Physical 

properties

transparency

hardness

Coefficient of elasticity 106Pa

muscovite

71.7~87.5%

2~2.5

1475.9~2092.7

phlogopite

0~25.2%

2.78~2.85

1394.5~1874.05

Products 

specification

1-6mesh, 6-10mesh, 10-20mesh, 20-40mesh, 40-60mesh, 60-80mesh, 

80-100mesh, 150mesh, 200mesh, 325mesh, 400mesh, 600mesh, 800mesh, 

1250mesh or as per client’s request

feature

Stable physical & chemical properties, acid & alkali resistance, insulative, 

high temperature resistance, shiny, good heat resistance, elasticity and tenacity

application

Widely used in construction, well drilling, fire protection, welding rod, plastic, 

electric insulation, papermaking, rubber, pearl pigment industry etc.  

packing

25kg/bag or as per client’s request