Product Name: Perlite
category:Acid lava
Color: yellow, white, meat, red, etc.
Luster: vitreous luster
Bulk density: kg/m3 = 80kg/m3~200
Density: 2.2~2.4g/cm3
Refractoriness: 1300~1380 DEG C
Expansion factor: 4~25
Chemical composition: SiO2, 70% +, H20, 4~6%, Fe2O3
mineral composition
The main component is massive, porous pumice, perlite shape, containing a small amount of sanidine, quartz phenocrysts, ceramics and various forms of crystallite, cryptocrystalline minerals, hornblende arc crack, fracture is uneven, pearl luster, weathered oil sheen, white streak.
As the main component of pitchstone, hydrolysis and hydration of pitchstone pitchstone, containing a small amount of sanidine and white tuff material, irregular distribution, fracture is conchoidal, resinous luster, white streak.
The main components of obsidian, obsidian porphyry and hydration of obsidian, containing a small amount of quartz and feldspar phenocrysts, a very small amount of opaque magnetite, corundum, fracture of flat or shell shaped, irregular shaped part, shiny glass, after weathering oil sheen, white streak.
Application
1. construction industry: concrete aggregate; lightweight, insulation, heat insulation and fireproof roofing board; lightweight antifreeze, shockproof, fireproof, anti radiation and other high-rise building wall filler, mortar and other building materials; all kinds of industrial equipment and pipe insulation layer; the inner wall of various cryogenic engineering, cold storage; low boiling point liquid, gas storage the inner wall of the inner wall and transportation etc.
2. filter aid agent and filler: chemical industry, paint industry, plastic detoxification of waste oil, oil dewaxing, squalane, hydrocarbon fractionation purification; as filling agent, pigment enamel glaze, plastic, resin and rubber industry; catalyst in chemical reactions, and oil filling mixture
3. agroforestry: soil modification, regulating soil compaction, preventing crop lodging, controlling fertilizer efficiency and fertilizer, and being used as a diluent and carrier for pesticides and herbicides
4., machinery, metallurgy, electricity, light industry: all kinds of insulation, thermal insulation glass, ceramic products, mineral wool ingredients