Bulk Raw Perlite Ore / Crude Perlite Used for Insulation Materials

• Customization: Available
• Feature: Long Time Materials
• Refractoriness (℃): Refractoriness> 2000
• Model NO.: Perlite
• Shape: Granule
• Type: Perlite Sand
• Color: Gray/Black/White
• Usage: Casting/Foundry/ Dregs Remover
• Name: Raw Perlite
• Perlite Type: Unexpanded/Raw/Ore Perlite
• Density of Perlite Sand: 2200 to 2400kg/M3
• Softening Temperature: 870
• Expanded or Not: Unexpanded
• Sio2: 70-75%
• Fe2o3: 0.15%-1.5%
• Al2O3: 12-16%
• Material: Perlite Sand
• Transport Package: 25kg/Bag
• Specification: 0.5-1mm, 1-2mm, 2-3mm, 3-5mm
• Trademark: CS
• Origin: Hebei
• HS Code: 2530102000
• Production Capacity: 50000ton/Months

Product Description

Bulk Raw Perlite Ore / Crude Perlite used for insulation materials
 

Physical Properties of Raw Perlite Sand:
 

Max. application temperature	800ºC
Softening temperature	870ºC
Melting temperature	1260ºC
Heat capacity	0.50J/g K
Cellular structure	open-cellular
Porosity	97% by volume
Moisture content (in the open air)	Up to 0.5% by weight
Max. moisture content	Up to 900% by weight
Density of the perlite ore	2200 to 2400 kg/m3
Density of the fine-ground perlite ore	1200kg/m3
Bulk density	70-120kg/m3

Chemical Composition of Raw Perlite Sand:

SiO2	Al2O3	Fe2O3	MgO	CaO
70-75%	12-16%	0.15-1.5%	0.2-0.5	0.1-2.0%
Na2O	TiO2	MnO	P2O5	K2O
2.5-5.0%	0.05-1.0%	0.05-1.0%	0.01-0.05%	4-6%

Perlite Sand Main Sizes

Perlite Sand	Expanded Perlite
10-16mesh(1.18-2mm)	4-8mm
12-18mesh(1-1.7mm)	3-6mm
14-20mesh(0.85-1.4mm)	2-4mm
18-46mesh(0.35-1mm)	1-3mm
50-70mesh(0.212-0.3mm)	0.15-1.18mm