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.
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1.Physical properties?
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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 |
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2.Chemical properties
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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 |
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