China wholesale expanded refractories gardening agricultural perlite

perlite   Product Description   Our  expanded perlite according to the different  machining technics and appication, diveded into two types,one is the open hole  expanded perlite(for agriculture,manufacture use) ,the other is the close hole expanded perlite(for construction use).The sizes are diverse,meantime,the Bulk density changes from 60kg/m3 to 90kg/m3. We have export our perlite to Middle East,Southeast Asia and Europe etc.,with favourable price.     1.Perlite Applicaton       1)Horticultural Applications   In horticultural applications, perlite is used throughout the world as a componet of soilless growing mixed where it  provides aeration and optimum moisture retention for superior plant growth. Other horticultural applications for perlite  are as a carier for fertilizer, herbicides and pesticides and for peletizing seed.   2)Construction applications   Perlite is widely used as a loose fill insulation in masonry construction. Other construction applications include chimney  linings, under-floor insulation, paint texturing, gypsum boards,ceiling tiles, and roof insulation boards etc..       2.Specification-Physical index  

Name of Index	Bulk Density	Heat Conductivity	Water Content	Operating Temperature	Diameter
Index	60 - 93kg/m3	0.055w/m	<2%	-256 - 800°c	0.15 - 8mm

      3.Expanded Perlite insulation specification    

Item	Specification	Item	Specification
Specific gravity	0.15-2.4g/cm3	Thermal conductivity	0.032-0.045
Flotage rate%	98Min	Suface glazed rate%	95min
Water absorption%	20-50	1Mpa (Pressure)volume loss%	38-46
Fire resistance	1280-1360degrees	Application temperature	1400max
Cofficient of water permeability	200mm/hr	water-absorbable	420-600KGS/M3
PH	6.5-7.5	Loss in Burning	4-8
Liquid Solubility	<0.1%	Acid solubility	<2%
Refractive index	1483-1506

    Company Information   We,DFL Minmet Refractories corp. As ISO 9001-2008 certified company,specialized in this line for 20 years more.Stable quality, competitive price, years of experience in dealing with perlite,mica,vermiculite,exported to Japan, Korea, European Southeast etc.   Packaging & Shipping  Package                     Photos                      Application      Certificated       Our Services  If you have any request, pls feel free to inform us!   Contact Us: Tel:0086 311 87790161 / 87793166
Fax:0086 311 8779 9798 Mobile:+86 15933591359        Waiting for your enquiry!!!