1.Size:12-325mesh1-3,2-4,3-5mm 2.Color:gray.green,white,pink 3.Origin:Henan,china 4.MOQ:20TONS 5.Payments term:T/T L/C

We supply raw perlite ,expanded perlite ,perlite powder ,perlite filter aid , Perlite casting slag sand

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1.Perlite Feature:poisonless,tasteless,staleless,nonconbustible,acid-resistant,alkali-resistan

2.Specification:

Perlite sand(unexpanded perlite,raw perlite ):12-16mesh,14-20mesh,16-32mesh,20-40mesh

30-50mesh,50-70mesh ,70-90mesh ,90-120mesh 150mesh,200-325mesh 1-3mm 2-4mm 3-5mm etc

 3.Physical and Chemical Properties of  Perlite :

Physical Properties		Chemical Compositions
Exterior	Grey peppets	SiO2	68-74
Specific gravity	2.2-2.4g/cc	Al2O3	12-16
Vickers hardness	5.5-7	Fe2O3	0.1-2
Softening point	890-1090	CaO	0.15-1.5
Melting point	1280-1350	Na2O	4-5
PH	6.5-7.5	K2O	1-4
Liquid solubility	<1%	Loss in burning	4-8
Acid solubility	<2%	MgO	0.3
Dioptre	1.483-1.506	Density	950-1100kgs/m3

4.Application:

used in oxygen manufacturing and freezer as well as insulating layer in transporting liquid oxygen and hydrogen

used in filter liquor,,oil,medicine,food and dirty water

used as filling and dilating agent in rubber,painter and plastic,etc.

used as catalyst in explosives

used to absorb floating oil.

used in agriculture and gardening to improve the soil and withhold water and fertilizer

mixed with different benders to make templets of different sizes and functions.

used as in large volume as insulating layers in industrial smelting furnaces and walls and floors of architecture.

especially for cryogenic  Used in casting industry

Tel:8613582186358

Raw perlite,unexpanded perlite