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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(1000? above),then the moisture vaporizing,the crushed special size ore is expanded in softened ore to be porous structure,become original 10-30 times.Main features
Lightweight
Porous
Heat-insulation
Refactory
Sound-absorption waterproof
Non-toxic
Corrosion-proof
Applications:
Construction: roofing& wall insulation, lightweight aggregate
Industry: make hydrophobic perlite board,low-temperature,thermal
Agriculture: soil ameliorant, soilless culture, pesticides evanescent agent.
Insulation:engineering, industrial equipment, piping insulation etc.
Others: filter aid, filler, abrasive materials, slag material of steelmaking.
