Product Name: Steel and Foundry Industries, Perlite Casting Slag Sand Model NO.: 0.3-1mm Trademark: LJ Transport Package: 25kg Ppbag Specification: 20-50 mesh, 30-50 mesh, 0.3-1mm Origin: China HS Code: 2530102000 Product Description Unexpanded Perliteis processing by crushing, screening of the original perlite ore, we can produce according to the needs of customers into variety of perlite sand products, the current specifications are :8-12 mesh ,12-18 mesh ,18-20 mesh ,20-50 mesh ,30-50 mesh ,50-70 mesh ,70-90 mesh ,90-120 mesh and other products.

Perlite in the steel and Foundry Industries 
Perlite insulation is used in high temperature applications in the steel and foundry industries such as ladle topping, hot topping and risering, in topping compounds, in exothermic and insulating shapes, as a cushioning agent, in molding sand and in the manufacture of refractory blocks and bricks.

Physical & Chemical properties 

Item	Specification	Item	Specification
Bulk density	80-120kgsm3	Thermal conductivity	0.021-0.054
Appearance	white color , granular	Softening point	890-1090 ºC
Melting point	1280-1350 ºC	Vickers hardness	5.5-7
PH	6.5-7.5	Water soluble	<0.1%
Acid soluble	<2%	Dioptre	1.4
SiO2	72-76	Al2O3	11-17
Fe2O3	0.5-1.5	K2O	4-5
Na2O	3-4	MgO	0.1-0.5
CaO	0.5-2	LOI	3-5

Raw perlite ore Size:

12-16 mesh, 14-20 mesh, 16-32 mesh, 20-40 mesh,
30-50 mesh, 50-70 mesh 70-90 mesh 90-150 mesh 200-325 mesh
0.1-1 mm 0.5-1.5 mm 0.06-2.5 mm 0.3-1 mm 1-3 mm2-4 mm,3-5 mm etc

Perlite Application
There are many uses for perlite. These uses can be broken down into three general categories: construction ap-plications, horticultural applications and industrial applications. it usually used in loose fill insulation, portland  cement and gypsum plasters, underfloor insulation, concrete roof decks,chimney linings,fireproofing,blocks,pipe insulation,improving soil aeration, drage ,making moisture and etc.

Other informations

Packing	Expanded perlite :100 liter bag ,1000liter bag, 1500liter bag ,or as per customer's demands
Trade terms	FOB CNF CIF
Payments terms	1).T/T 50%advance ,the balance against copy of B/L 2).Irrevocable L/C 3).Negotiated
Delivery time	1).After we receive deposit within 7-10days 2).After we receive L/C within 7-10days 3).Negotiated
Sample	Sample is free within 1kgs
MOQ	20`ft container
Loading port	Tianjin port ,China