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Silvery Expanded Vermiculite 2-4mm

◆Vermiculite is a member of the phyllosilicate group of minerals, resembling mica in appearance. It is found in various parts of the world, vermiculite is basically a hydrated phlogopite mica which has the remarkable ability to expand to many times than
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Description

◆Vermiculite is a member of the phyllosilicate group of minerals, resembling mica in appearance. It is found in various parts of the world, vermiculite is basically a hydrated phlogopite mica which has the remarkable ability to expand to many times than its original volume when heated at 850 °C.Vermiculite is most widely used in its exfoliated form. The concertina-shaped granules of exfoliated vermiculite are non-combustible as well as being insoluble in water and all organic solvents. 
Golden vermiculite 
Chemical components

Chemical CompositionSiO2Al2O3MgOCaOPHFe2O3Impurity
(%)4118210.87-103.5< 3



Chemical Composition
SiO2AL2O3 AL2O3MgOCaOFeOFe2O3TiO2
(%)41.212.6824.220.961.544.061.33
Chemical CompositionK2OP2O5H2ONa2OMnOImpurityL.O.I
(%)5.970.0631.60.043< 56.71

Silvery vermiculite
Chemical components

Size: 0.3-1mm/1-2mm/2-4mm or other sizes customers required.

Expanded vermiculite


Size
Density 
(Kg/M3)
Water Absorption
(%)
Thermal Conductivity 
(k/m2/h/℃)
Impurity
(%)
8mm Above70-1104800.045≤3
4-8mm70-1104800.045≤3
3-5mm80-1204650.045≤3
1-3mm80-1504300.045≤3
20-40mesh100-1604100.045-0.055≤2
40-70mesh100-1704100.045-0.055≤2
70-100mesh100-1704000.045-0.055≤2
150mesh100-1804100.045-0.055≤1
200mesh100-1804100.045-0.055≤1
325mesh100-1804000.045-0.055≤1
Blended Grade90-1804300.045-0.055≤3

Size:0.3-1mm/1-2mm/1.5-3.5mm/2-4mm/3.5-7mm/4-8mm/20-40mesh/70-100mesh/32


5mesh or as per customers'request.

Color:Silver, Golden

Horticulture Vermiculite: 1-2mm, 2-4mm

Expanded Vermiculite: 0-1mm, 1-3mm, 2-4mm

Insulation Vermiculite:0-1mm, 0-2mm, 0-3mm

The size should be adjusted according to the client's demand.



Expanded Vermiculite's Properties: Fireproof, heat insulating, sound and moisture absoring, light weight, non-toxic, ordorless, non-abrasive ect.



Application:

● Lightweight concrete and plaster.

● Lightweight vermiculite board.

● Lightweight aggregate and molded cement board.

● Horticultural soil conditioner.

● Fireprood door's inner stuffing.