Small quantities of perlite are also used in foudries,cryogenic insulation,as a lightweight aggregate in mortar(firestop) and in ceramics as a clay additive.It is also used by the explosives industry.
Horticulture perlite
Physical Properties | Chemical Compositions | ||
Exterior | Grey peppets | SiO2 | 68-74 |
Specific gravity | 2.2-2.4g/cc | AI2O3 | 12-16 |
Vickers hardness | 5.5-7 | Fe2o3 | 0.1-2 |
Softening point | 890-10900C | CaO | 0.15-1.5 |
Melting point | 1280-13500C | Na2O | 4-5 |
PH | 6.5-7.5 | K2O | 1-4 |
Liquid solubility | <0.1% | Loss in burning | 4-8 |
Acid solubility | <2% | MgO | 0.3 |
Dioptre | 1.483-1.506 |
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Competitive price (we are factory) + good service + free samples + timely delivery.
Shijiazhuang ShengPing Minerals
Known for manufacturing and exporting a wide range of best quality Kaolin & bentonite, Shengping minerals was set up in the year 2002 at Shijiazhuang city of Hebei province.
The product range offered by us comprises comprehensive, salt lamps, negative ion powder, tourmaline powder, far infared ceramic ball, calcium carbonate, mica and vermiculite.
Address : Xizhuang Village, Nanyanchuan Township, Lingshou County, Shijiazhuang,Hebei, China
Post Code : 050000
Tel : +86-0311-68003825