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Perlite Board & Pipe

Expanded perlite board or pipe has unique internal structure, which consists of numerous tiny closed air cells, with exterior irregular surface, thereby features good thermal and acoustic insulation properties.

Features of perlite
  • High operating temperature;
  • Non-combustible and water repellent;
  • High compression resistance;
  • Excellent corrosion and moisture resistance;
  • Extremely light weight;
  • Asbestos - free.
Perlite Board
Perlite Pipe

Specifications of perlite

Term Unit GB/10303, JISA9510 ASTM C610 Mowco
Density Kg/m3 <=250 <=224 <=220
Maximum Service Temperature oC 650 650 650
Thermal Conductivity W/m.k <=0.072 (343K)
<=0.12 (623K)
<=0.079 (93oC)
<=0.095 (204oC)
<=0.111 (316oC)
<=0.069 (93oC)
<=0.085 (204oC)
<=0.101 (316oC)
Flexural Strength Mpa >=0.25 >=0.31 >=0.40
Compressive Strength Mpa >=0.40 >=0.414 >=0.414
Linear Shrinkage % <=2.0 <=2.0 <=2.0
Water Repellency % >=98   >=98
Chlorine Content     ASTM C795 ASTM C795