1.Size:

Expanded Perlite: 60mesh, 100mesh, 120mesh, 150mesh, 0.1-1mm, 1-2mm, 2-4mm

Horticultural Perlite: 1-2mm, 2-4mm, 1-4mm ,3-5mm.

2.Color :white and gray

3.Specifications

Refractive Index : 1.483-1.506
Free Moisture : maximum 0.5%
pH (of water slurry) : 6.5 - 7.5
Specific Gravity : 2.2 - 2.4 g/cc
Bulk Density (loose weight) : depending on the expansion process but usually in the 2-25 lb/ft3 range (32-400 kg/m3)
Softening Point :1600 - 2000 oF (871 - 1093 oC)
Fusion Point : 2300-2450 oF (1280 - 1350oC)
Specific Heat : 0.2 Btu/lboF (387 J/kgK
MgO :0.3
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.

6.packing:100litter bags or depand on your requirments