2024 hot selling good price perlite slabs expanded perlite horticulture for refractory

Expanded perlite insulation board&perlite fireproof brick is a kind of product with characteristics of non-toxic, odorless, non-combustibility, corrosion resistance, acid-base resistance, insulation, sound and thermal insulation and honeycomb interior structure. It is a white or light-colored superior thermal insulation material made through smashing acid volcano glass lava, screening to a certain granularity, preheating again, and sintering under high temperature of 1400°C. And it can be compounded with different adhesive into hydrophobic perlite insulation board, perlite sound absorption board, partition board, fire proof board, etc.

2. Main performance for expanded perlite
Density: 250-300kg/m3
Anti- bend intensity≥8Mpa
Compressive strength: 0.35-0.8(Mpa)
Thermal conductivity≤0.035-0.076W/(m.k)
Moisture content(%)≤10
Wet expansion rate(%)≤0.25
Fireproof limit: 0.6-2h
Fireproof temperature: 1200c
Sound-absorption coefficient: 0.03-0.8

Applications

• Widely applied in thermal insulation of building wall and roof;


• Lightweight aggregate of building material;


• Thermal insulation layer of kinds of industrial equipment and pipelines;


• Inwall of kinds of cryogenic and refrigerator project;


• Soilless culture, soil improvement and preservation of moisture and fertility of agriculture and horticulture;


• Widely applied in industries of petroleum, chemical, power, construction, metallurgy, etc.