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Vermiculite buy in Indianapolis
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Vermiculite

Vermiculite

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Technical characteristics
  • BrandJinli
  • Country of manufactureChina
  • TypeMineral
Description

Vermiculite is a layer-structured metamorphic rock of gibbsite silicate. Rich in magnesium, it comes from hot-liquid-eroded or weathered phlogopite.

Specification

a. Vermiculite-B model : 0.3mm-1mm ,07-2mm,1.4mm-4mm

b.Vermiculite for board,gardening, fire-proof : 1mm-3mm,2mm-4mm,3mm-5mm,5mm-8mm

c.Vermiculite for friction and seal :16mesh-40mesh,40mesh-80mesh 60mesh-100mesh,200mesh.325mesh,400mesh

d.Vermiculite -H model : 0.3mm-1mm, 1.4mm-4mm,0.7mm-2m

Chemical properties of vermiculite

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

Molecular
formula
SiO2 MgO AI2O3 Fe2O3 FeO K2O H20 CaO PH Loss in burning 800°C/Hour
Name Silicon
dioxide
Magnesium
oxide
Aluminum
trioxide
Iron
trioxide
Iron
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 8-11

Physical properties of Vermiculite

Vermiculite sheet Density Expanded vermiculite Porosity Hard-ness Melting
point
Compressive
resistance
Index of
refraction
Moisture
content
Moisture
absorbency
Anti
congelation
Antimicrobial 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-
resistant

1.Relative humidity 100% 24H

2. Frozen and melted for 15 minutes in 20 under zero, its size won't change

Norms of Vermiculite Flakes ( standards JC/T810-1996)

Categories No.1 No.2 No.3 No.4 No.5 No.5
Grain 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 >7multiples 6.5-7multiples

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 , poisonous less and odorless, low hardness, burning-avoidance.

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

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