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3-6mm gardening growing media expanded perlite
Building Industry: Produce light, thermal insulation and acoustic board; Be ideal materials of various industrial equipment and pipe insulating layer; Fillter Aid and Filler Be filtering agent,when making wine,drinking, syrup,vinegar etc; Purify various liquid and water,coming up to innoxious to human and animal;Be filler of plastic,rubber, , enamel etc; Agriculture and Horticulture Reform soil and adjust soil hardened;Prevent plants from falling down and control fertilizer efficiency and fertility;Be diluent and carrier of biocide and herbicide. Mechanism, Metallurgy, Hydropower andLight Industry Be ingredients of heat insulation glass, mineral wool and porcelain products etc. Other Aspect Be packing materials of exquisite products and pollution products; Be abradant material of gem,colourful stone,glass products; Be density regulator of explosive, treating-agent of sewage. -
Plants soil growing media Expanded Perlite
perlite specification :
Item Specification Item Specification SiO2 68-74 ph 6.5-7.5 Al2O3 12-16 Specific gravity 2.2-2.4g/cc Fe2O3 0.1-2 Bulk density 80-120kgs/m3 CaO 0.15-1.5 Softening point 871-1093°C Na2O 4-5 Fusion point 1280-1350°C K2O 1-4 Specific heat 387J/kg.K MgO 0.3 Liquid solubility <1% Loss in burning 4-8 Acid solubility <2% Color White Refractive index 1.5 Free moisture content 0.5%max