China Hight Quality Perlite and Expanded Perlite Fire Retardant Fireproof Material Expanded Perlite, Find details about China Building Material, Abrasive from Hight Quality Perlite and Expanded Perlite Fire Retardant Fireproof Material Expanded Perlite
Expansion TemperatureºC | SiO2 | AL2O3 | Na2O+K2O | H2O(Ignition Loss) |
>1200 700-900 | >74 >70 | >12 >14 | <5 >8 | <20 >3 |
Grade | Bulk Density(kg/m3) | Water Ratio% | Size/% | Thermal Conduction /[ W/(m.K)] | |||||
5mm Weight of Screen Residue | 0.15mm Throughput | Average Temperature(295+5)K Temperature Gradient 5-10K/CM | |||||||
Max. | Max. | Max | Max | ||||||
Max | Premium | Acceptable | Salable | Premium | Acceptable | Salable | |||
75 | 75 | 2 | 2 | 2 | 4 | 6 | 0.047 (0.040) | 0.049 (0.042) | 0.051 (0.044) |