Special hot selling horticultural suppliers premium grade perlite

Place of Origin:

China

Model Number:

KH-4

Application:

Thermal insulation

SiO2 Content (%):

68~74

Fe2O3 Content (%):

0.5~3.6

Al2O3 Content (%):

±12

MgO Content (%):

0.3

CaO Content (%):

0.7~1.0

K2O Content (%):

2~3

Na2O Content (%):

4~5

Expanded Or Not:

Expanded

Product name:

Perlite

Shape:

Irregular

Color:

White

Characteristic:

Fire resistance, insulation and heat preservation

H2O:

2.3~6.4

Mohs hardness:

5.5 ~ 7

Density:

2.2 ~ 2.4 g / cm3

Fire resistance:

1300 ~ 1380 ° C

Refractive index:

1.483 ~ 1.506

Expansion multiple:

4 ~ 25

Supply Ability:

10 Ton/Tons per Week