China Professional Factory Manufacturing Expanded Perlite for Fire Retardant Fireproof Materials, Find details about China Building Material, Abrasive from Professional Factory Manufacturing Expanded Perlite for Fire Retardant Fireproof Materials
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) |