Non-asbestos unexpanded silver raw vermiculite

size

S.G.

Moisture %

Impurities %

Expansion volume ML/G

0.3-1mm

0.9-1.2g/cm3

<6

<20

      >7 times

1.5-2.5mm

0.9-1.2g/cm3

<6

<20

>5.5 times

2.5-6mm

0.9-1.2g/cm3

<6

<20

      >5 times

1.5-3.2mm

0.9-1.2g/cm3

<6

<20

      >8 times

3.2-7mm

0.9-1.2g/cm3

<6

<20

>7.5 times

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