Composition

Al2O3

SiO2

Fe2O3

CaO

Na2O

K2O

MaO

Percentage

12%

68-74%

0.5-3.6%

0.7-1%

4-5%

2-3%

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.