vermiculite /expanded vermiculite /silvery vermiculite

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Brand: YONGHENG
型号: 2013002
规格: as you require
Price: 300.00USD/TON
Min.Order: 11 TON
Supply 2000 TON
Delivery: Shipment within 30 days since the date of payment
Address: China
Valid until: 2106-02-07
Updated on: 2013-09-27 09:50
Hits: 4458584
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Details
 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. 

Chemical components

Chemical Composition

SiO2

Al2O3

MgO

CaO

PH

Fe2O3

Impurity

(%)

41

18

21

0.8

7-10

3.5

< 3

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 Above

70-110

480

0.045

≤3

4-8mm

70-110

480

0.045

≤3

3-5mm

80-120

465

0.045

≤3

1-3mm

80-150

430

0.045

≤3

20-40mesh

100-160

410

0.045-0.055

≤2

40-70mesh

100-170

410

0.045-0.055

≤2

70-100mesh

100-170

400

0.045-0.055

≤2

150mesh

100-18

400

0.045-0.055

≤1

200mesh

100-180

400

0.045-0.055

≤1

325mesh

100-180

400

0.045-0.055

≤1

Blended Grade

90-180

430

0.045-0.055

≤3

Size:0.3-1mm/1-2mm/1.5-3.5mm/2-4mm/3.5-7mm/4-8mm/20-40mesh/70-100mesh/325mesh or as per customers'request

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