Vermiculite

Vermiculite photo-1
Vermiculite photo-2
US$ 30 - 150 MOQ: 10 Tons
Key Specifications
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Place of Origin:
Hebei, China
Model Number:
flake/Granule/Golden
Payment & Shipping
Payment Methods:
Port of Shipment:
TianJin Or Any Loading Port
Delivery Detail:
Delivery time depends on order quantity.
Place of Origin Hebei, China
Model Number flake/Granule/Golden

Vermiculite is a layer-structured metamorphic rock of gibbsite silicate. Rich in magnesium, it comes from hot-liquid-eroded or weathered phlogopite. When it is heated to lose water and expands, lt turns curvingas a leech. Therefore is called vermiculite.lt can be divide into original vermiculite and expanded vermiculite. color it can also be divided into golden vermiculite and white vermiculite.

physical and chemical quota of vermiculite

Being differently hydrated and oxidation, the same vermiculite may have different chemical compositions .Generally, its chemical compositions are as follows:

Chemical quota: Mg x (H2O)(Mg3-x)(ALSiO3O10)(OH2)

 

Molecular
formula

SiO2

MgO

AI2O3

Fe2O3

FeO

K2O

H20

CaO

PH

Loss in buring 800°C/Hour

Name

Silicon
dioxide

Magnesium
oxide

Aluminium
trioxide

Iron
trioxide

Irnon
oxide

Potassium
oxide

Hydrogen
oxide

Calcium
oxide

PH

 

4.5-7.5

Content%

37-42

11-23

9-17

3.5-18

1-3

5-8

7-18

1-2

7-8

Physical properties of Vermiculite

 

Vermiculite sheet Density

Expanded vermiculite Porosity

Hard-ness

Melting
point

Compressive
resistance

Index of
refraction

Moisture
content

Moisture
absorbency

Anti
conge-lation

Antibio-ticity

Corrosion
resistance

Kg/m3

Kg/m3

 

°C

Mpa

Ng=1.525-1.561

%

%

     

1100-1200

110-280

1-1.5

1320-1370

100-150

Ng=1.545-1.581

7

< 2

good

good

Alkali-
resitant

 

1.reletive humidity 100% 24H 2. Frozen and melte for 15 minustes in 20 under zero, it’s aize won’t chenge

Norms of raw vermiculite (Implementation standards JC/T810-1996)

Categories

No.1

No.2

No.3

No.4

No.5

No.5

Size mm

8-16

4-8

2-4

1-2

0.5-1

< 0.5

 

Sand contend %

 

10

12

15

15-20

 

Expansion coefficient

 

8multiples

7-8mutiples

>7

6.5-7

 

Specifications of Expanded Vermiculite (Under the standards of JC/441-1996)

6-12mm 3-6mm 2-4mm 1-3mm 16-40mesh 20-40mesh 40-80mesh 60-100mmesh200mesh 325mesh 400mesh

Main Use and Functions:

Jinli Minerals is the first in North China to set up an advanced digital thermostat to cool, select, winnow and grade its products .Jinli has produced and developed many products ,which have such advantages as lighter, easy to reduce high-temperature recession heat and cold and corrosion resistant, better ventilation and water preservation , poisonousless and odorless, low hardness, burning-avoidance.

It has already been used in many fields like construction materials ,heat-resistant materials ,sheet materials costing painting painting rubber, agriculture, forestry, nursery gardening ,forage, cultivation ,pharmacy, fricition and sealing, metallurgy, etc.

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Business Type
Manufacturer, Trading Company
Year Established
2003
Factory Size
1,000-3,000 square meters
Total Employees
51 - 100 People