xinjiang silver expanded vermiculite

size

Specific gravity

0.3-1mm

160-140kg/m3

1-2mm

150-130kg/m3

2-4mm

140-120kg/m3

4-8mm

130-110kg/m3

Chemical composition

Test result

SiO2

40.48%

MgO

23.79%

Fe2O3

6.14%

Al2O3

11.91%

CaO

1.78%

K2O

7.55%

Na2O

0.85%

H2O

2.39%

definition

Vermiculite is a mineraloid of hydrated laminar magnesium-aluminum silicate.

It is expanded and appears deflection shape  when heating.

Chemical composition

SiO2

Al2O3

Fe2O3

MgO

H2O

37-43%

9-17%

5-24%

11-23%

0.5-9%

classification

As per processing stage

As per color

Crude vermiculite

Expanded vermiculite

Silver vermiculite

Golden vermiculite

Products specification

8-12mm,4-8mm,2-4mm,1-3mm,0.3-1mm,20-40mesh,40-60mesh,60-80mesh,200mesh,325mesh or as per client’s request

feature

Natural,non-toxic,heat insulation,freezing resistance,fireproof,moisture & 

sound absorption etc.

application

Construction,metallury,chemicals,light industry,machinery,electronics,

petroleum,agriculture,forestry,husbandry,fishery,environmental protection

 and transportaion etc.

packing

Crude vermiculite

50kg/bag or ton bag or as per client’s request

Expanded vermiculite

10,15,20kg/bag or ton bag or as per client’s request