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Composition

Al2O3

SiO2

Fe2O3

CaO

Na2O

K2O

MaO

Percentage

12-16

68-74

0.1-2

0.15-1.5

4-5

1-4

0.3

Item

Specification

Item

Specification

Bulk density

80-120kgsm3(as per customer’s demands)

Thermal conductivity

0.021-0.054?w/m °C

Appearance

white color ,?granular

Softening point

890-1090?oC

Melting point

1280-1350?oC

Vickers hardness

5.5-7

PH

6.5-7.5

Water soluble

<0.1%

Acid soluble

<2%

Dioptre

1.483-1.506

Item

Particle Size

Raw Perlite

20-30, 20-40, 30-50, 50-70, 70-90, 90-120 mesh

Expanded Perlite

1-3mm, 2-4mm, 3-6mm, 4-8mm, 150mesh, 200mesh, 325mesh or according to your need

Perlite Filter Aid

GK-110 thick, medium, thin, extra thin

Building Industry:

?

Used for making light, thermal insulation and acoustic board; Be ideal materials of various industrial equipment and pipe insulating layer;

Fillter Aid and Filler

?

Be filtering agent,when making wine,drinking, syrup,vinegar etc; Purify various liquid and water,coming up to innoxious to human and animal;Be filler of plastic,rubber, enamel etc.

Agriculture and Horticulture

Preventing plants from falling down and control fertilizer efficiency and fertility;Be diluent? and carrier of biocide and herbicide;Reform soil and adjust soil hardened.

Mechanism, Metallurgy, Hydropower and

Light Industry?

Be ingredients of heat insulation glass, mineral wool and porcelain products etc.

Other Aspect

?

Be packing materials of exquisite products and pollution products; Be abradant material of gem,colourful stone,glass products; Be density regulator of explosive, treating-agent of sewage.