Raw perlite(white and gray)

1.Raw perlite 2.Size:5-200mesh. 3.Category:Raw perlite 4.All grades use 5.20 tons loaded in 20ft

1. Size

Item	Particle Size
Raw Perlite	12-16, 14-20, 16-32, 20-40, 30-50, 50-150, 200-325 mesh
Expanded Perlite	50-300mesh, 1-2mm, 2-4mm,3-6mm,4-8mm
Perlite Filter Aid	50-120mesh, 100-200mesh, 300mesh
Unclosed and closed Cell Perlite

Expands when heated,Porous texture:,Liquid retention,Air circulation,Low density,Chemically neutral,Low conductivity

2.Physical and Chemical Properties:

Physical Properties		Chemical Compositions
Exterior	Yellow white,light red,green,gray,brown brown,gray black and so on	SiO2	70-74
Specific gravity	2.2-2.4g/cc	AI2O3	12-16
Vickers hardness	5.5-7	Fe2o3	0.1-1
Softening point	890-10900C	CaO	0.15-1.5
Melting point	1300-13800C	Na2O	4-5
PH	6.5-7.5	K2O	1-4
Liquid solubility	<0.1%	Loss in burning	4-8
Acid solubility	<2%	MgO	0.3
Dioptre	1.483-1.506	H2O	6-8
Expansion ratios	10-30times

3.Usage:

1.It can be used in oxygen manufacturer and freezer as well as insulating layer in transporting liquid oxygen and hydrogen.

2. To be used as filter liquor,oil,medicine,food and dirty water.

3. As filling and dilating agent in rubber,painter and plastice,etc.

4. As catalyst in explosives.

5. To absorb floating oil.

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

7. Mixed with different benders to make templets of different sizes and functions.

8. Be used as in large volume as insulating layers in industrial smelting furnaces and walls and floors of architectures.

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Raw perlite(white and gray)