Perlite Expanded 3-6mm4-8mm For Hydroponics
Product Description
Pearlite
Pearlite is a fine insulant material in white or light color,which is made of glasslike lava of acid volcano after being broken and sieved in some size and preheated and burned instantly in high temperature.
Its honeycomb pellets are poisonless,tasteless,staleless and nonconbustible,acid-resistant and alkali-resistant.
Physical and Chemical Property
Physical Properties | Chemical Compositions |
Exterior | Grey peppets | SiO2 | 68-74% |
Specific gravity | 2.2-2.4g/cc | Al2O3 | 12-16% |
Vickers hardness | 5.5-7 | Fe2O3 | 0.1-2% |
Softening point | 890-1090℃ | CaO | 0.15-1.5% |
Melting point | 1280-1350℃ | Na2O | 4-5% |
PH | 6.5-7.5 | K2O | 1-4% |
Liquid solubility | <0.1% | MgO | 0.3% |
Acid solubility | <2% | Loss in Burning | 4-8% |
Dioptre | 1.483-1.506 | | |
Application
1)It can be used in oxygen manufacturer and freezer as well as insulating layer in transporting liquid oxygen and hydrogen.
2)It can be used to filter liquor,oil,medicine,food and dirty water.
3)It can be used as filling and dilating agent in rubber,painter and plastic,etc
4)It can be used as catalyst in explosives
5)It can be used to absorb floating oil.
6)It can be used in agriculture and gardening to improve the soil and withhold water and fertilizer.
7)It can be mixed with different benders to make templets of different sizes and functions
8)It can be used as in large volume as insulating layers in industrial smelting furnaces and walls and floors of architectures.
Our Services
1. Free Samples
--Free samples within 1-2KGs, but the delivery fee should be paid by your side.
2. All-over Certifications
--We can supply MSDS, TDS, Test Report, Place of Original (Form A, Form E,etc.), SGS test, etc. certifications.
3. Strictly Quality Control
--Our strictly Quality Control Dept.,will inspect each batch of goods before loading, only after the goods qualified, it can be allowed to out of the factory.
4. Professional document Service
--After shipped, our professional document department will serve you all the documents for you timely.
Contact Information
Warmly welcome to your inquiry and visitation.Thank you in advance!