hot sale China golden crude vermiculite unexpanded vermiculite

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

product

fine vermiculite 

appearance

powder

moisture

≤1.0%

sand content

≤7%

mesh

200,325 mesh or as requested

SiO2

37-42%

Ai2O3

9-17%

Fe2O3

3.5-15%

MgO

11-23%

product

flake vermiculite 

appearance

flake

moisture

≤1.0%

sand content

≤7%

grade

3-7mm, 1-3mm, <1mm

SiO2

37-42%

Ai2O3

9-17%

Fe2O3

3.5-15%

MgO

11-23%

product

expanded white vermiculite

appearance

granule

moisture

≤1.0%

sand content

≤7%

grade

1-3mm, 20-40 mesh, 40-60 mesh

SiO2

37-42%

Ai2O3

9-17%

Fe2O3

3.5-15%

MgO

11-23%

product

unexpanded white vermiculite

appearance

flake

moisture

≤1.0%

sand content

≤7%

grade

#3, #4, #5

SiO2

37-42%

Ai2O3

9-17%

Fe2O3

3.5-15%

MgO

11-23%