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  • Name: Silver vermiculite
  • Model: 1001.01
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Vermiculite
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.
Chemical Properties

Molecular
formula

SiO2

MgO

AI2O3

Fe2O3

FeO

K2O

H2O

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

Application :
● In Refractory products
Common mixing vermiculite can be used to steel mills,boilers,vermiculite fire board for walls,security doors,fire on the ship,fire retardant paint,paint the tunnel fire.
● In Agriculture and Horticulture
Can be used to Improve soil,often with peat,perlite as organic fertilizer,retain moisture,keep the soil permeability,improve fertilizer for release action
● In Feeding Additive
Vermiculite commonly used in many nutrients carriers,formulations,such as concentration of fat,vitamins,honey,preservatives,antioxidants and the like have a large number of applications.
● In Friction and Sealing Material
Vermiculite also widely used in friction and sealing material,such as Brake Pads and Brake Linings.Adding vermiculite can prevent high-temperature heat recession,improve product strength,reduce noise,reduce the weight and cost of the product.
●In Package Materials
Vermiculite now widely used in hazardous chemical liquids,chemicals flowing liquid,seafood,water silkworm,fruits,bulbs,plant moss base block storage packaging,swimming pool,from soft,abrasion resistance,thermal insulation against the cold effect.

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