Perlite(gradening grade)The material comes from volcanic lava.It is a kind of
amorphous, glassiness volcano that contains crystalline water inside.
For expanded perlite has low density and low heat conductivity characters,
it is widely used in construction and manufacturing fields,
lightweight plasters and mortars, insulation, ceiling tiles and filter aids.
In horticulture, it makes composts more open to air, while having good
water-retention capacity. It is good carrier for soilless plant.
Since last few years,expanded perlite is more and more popular in cryogenic use.
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 carrier for fertilizer,
herbicides and pesticides and for peletizing seed
Item | Particle size |
Raw perlite ore | 12-16, 14-20, 16-32, 20-40, 30-50, 50-150, 200-325 mesh |
Expanded perlite | 0.05-1, 0.06-2.5, 0.1-1, 1-2, 1-3,1-4, 2-4,3-5mm |
Closed cell perlite |
|
Loss on ignition | 3-5% |
SiO2 | Al2O3 | Na2O | K2O | Fe2O3 | MgO | CaO |
70-75% | 12-15% | 3-4% | 3-5% | 0.5-2% | 0.2-0.7% | 0.5-1.5% |
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
Web Site : www.sp-minerals.com