foundry perlite ore specification

Perlite Sand, Unexpanded Perlite size: 12-16mesh, 14-20mesh, 16-32mesh, 20-40mesh, 30mesh-50mesh, 50-150mesh, 200-325mesh.

 Perlite Sand, Unexpanded Perlite

 Data for reference

Element:        SiO2      Al2O3   NaO2    K2O    Fe2O3    MgO      CaO   

PCT% 68-75     12-16     4-5       1-4       0.1-2      0.3 -1      0.15-1.5

Specific Gravity: 0.5-2.4g/cm3      Expansion Coefficient :     20times min

perlite Sand, Unexpanded Perlite

Applications:

Widely used as insulating layers in industrial smelting furnace and walls and floors of     architectures.

Filing and dilating agent in rubber, painter and plastic, etc.

Catalyst in explosives.

Used to absorb floating oil.

Used in agriculture and gardening to improve the soil and withhold water and fertilizer.

Used to filter liquor, oil, medicine, food and dirty water.

perlite Sand, picture Unexpanded Perlite piture