Expanded Perlite for Construction

Description

Expanded Perlite is an internal honeycomb structure of the white granular material made by preheated，baked and expanded perlite ore. Principle is: By preheating，fire，rapid heating(***0℃ above)，then the moisture vaporizing,the crushed special size ore is expanded in softened ore to be porous structure，become original ****0 times.The expanded perlite can be sorted to 3 shapes by the technical of expansion.

Production process condictions
oringin ore particle
preheating temperature and time
expanding temperature and time

Main features
Lightweight 
Porous
Heat-insulation 
Refactory
Sound-absorption waterproof
Non-toxic
Corrosion-proof