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Expanded Construction Perlite Insulation Board With Competitive Price
Perlite insulation board is the collection heat preservation, heat insulation and waterproof function to a new type of exterior wall thermal insulation board.
Perlite insulation board, also known as FSG waterproof perlite insulation board, it is expanded perlite powder as aggregate, adding waterproofing agent and caking agent for preparation, screening and compression molding, drying made of heat insulation waterproof insulation board.
1.Physical properties
Softening temperature | 890-1100 °C |
Melting temperature | 1260 °C |
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 | 1200 kg/m3 |
Bulk density | 70-120kg/m³ |
2.Chemical properties
| Item | Content(%) |
SiO2 | 70 ~ 75 |
Al2O3 | 12 ~ 16 |
Fe2O3 | 0.15 ~ 1.5 |
MgO | 0.2 ~ 0.5 |
CaO | 0.1 ~ 2.0 |
Na2O | 2.5 ~ 5.0 |
K2O | 1.0 ~ 4.0 |
PH | 6.5-7.5 |
