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Price Of Expanded Vermiculite For Agriculture Vermiculite In Gardening
1,Vermiculite is a layer-structured metamorphic rock of gibbsite silicate. Rich in magnesium, it comes from hot-liquid-eroded or weathered phlogopite. When it is heated to lose water and expands, lt turns curvingas a leech. Therefore is called vermiculite.lt can be divide into original vermiculite and expanded vermiculite. color it can also be divided into golden vermiculite and white vermiculite.
2,physical and chemical quota of vermiculite
Being differently hydrated and oxidation, the same vermiculite may have different chemical compositions .Generally, its chemical compositions are as follows:
Chemical quota: Mg x (H2O)(Mg3-x)(ALSiO3O10)(OH2)
Molecular | SiO2 | MgO | AI2O3 | Fe2O3 | FeO | K2O | H20 | CaO | PH | Loss in buring 800℃/Hour |
Name | Silicon | Magnesium | Aluminium | Iron | Irnon | Potassium | Hydrogen | Calcium | PH |
4.5-7.5 |
Content% | 37-42 | 11-23 | 9-17 | 3.5-18 | 1-3 | 5-8 | 7-18 | 1-2 | 8-11 |
3,Physical properties of Vermiculite
Vermiculite sheet Density | Expanded vermiculite Porosity | Hard-ness | Melting | Compressive | Index of | Moisture | Moisture | Anti | Antibio-ticity | Corrosion | Thermal conductivity |
Kg/m3 | Kg/m3 |
| °C | Mpa | Ng=1.525-1.561 | % | % |
|
|
| Kcal/meter ·degree |
1100-1200 | 110-280 | 1-1.5 | 1320-1370 | 100-150 | Ng=1.545-1.581 | 7 | < 2 | good | good | Alkali- | 0.045-0.06 |
4,Specifications of Expanded Vermiculite (Under the standards of JC/441-1996)
6-12mm 3-6mm 2-4mm 1-3mm 16-40mesh 20-40mesh 40-80mesh 60-100mmesh200mesh 325mesh 400mesh
5,Main Use and Functions:
Jinli Minerals is the first in North China to set up an advanced digital thermostat to cool, select, winnow and grade its products .Jinli has produced and developed many products ,which have such advantages as lighter, easy to reduce high-temperature recession heat and cold and corrosion resistant, better ventilation and water preservation , poisonousless and odorless, low hardness, burning-avoidance.
It has already been used in many fields like construction materials ,heat-resistant materials ,sheet materials costing painting painting rubber, agriculture, forestry, nursery gardening ,forage, cultivation ,pharmacy, fricition and sealing, metallurgy, etc.
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.
Warmly welcome to your inquiry and visitation.Thank you in advance!
