Features :
The expanded perlite and become a lightweight , multi-functional new materials,An apparent density of light, low thermal conductivity, chemical stability, wide temperature range , low moisture absorption capacity , and non-toxic , odorless, fire, acoustic characteristics, widely used in many industrial sectors
Physical properties:
Color | Yellow,red meat,dark black,brown, grey, with gray - gray -based |
Appearance | Conchoidal,Crack sheet,Streak white,Irregular-shaped fracture |
Mohs hardness | 5.5-7 |
Density (g/cm3) | 2.2-2.4 |
Refractoriness | 1300-1380°C |
Refractive index | 1.483-1.506 |
Expansion of multiples | 4-25 |
Chemical properties:
Type | SiO2 | Al2O3 | Fe2O3 | CaO | K2O | Na2O | MgO |
Perlite | 68-74 | ±12 | 0.5-3.6 | 0.7-1.0 | 2-3 | 4-5 | 0.3 |
Applications:
Plastics,Painting ,Pigment ,Ink,Synthetic glass,Bakelite insulation and some mechanical components and equipment for filler .
Product | Expanded perlite /agricultural and horticultural grade |
H.S code | 6806200000 |
Origin | China |
Size: | 1-3mm2-4mm3-6mm3-5mm4-8mm,etc |
Application | Agriculture ,horticulture ,hydroponics |
Bulk density | 80-120kgs/m3 |
Type | Open-cell |
Color | White |
Shape | Granular |
MOQ | 1 ton |
Trade terms | FOB CNF CIF |
Payments terms | T/T L/C or negotiation |