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Specifications
1.expanded vermiculite2.Size:0.3-11-2,2-4mm
3.Raw and expanded vermiculite
4.Expansion ratios:7-11times
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Description
Vermiculite is a layer-structured metamorphic rock of gibbsite silicate. Rich in magnesium, it comes from hot-liquid-eroded or weathered phlogopite.
Specification
Color | silver, golden. |
? Size | 0-30um0.3-0.6mm0.65-1mm0.3-1mm0.5-1.5mm0.5-1.2mm 1.2-3.5mm1.5-2.5mm1-2mm2-4mm3-6mm3.5-7mm,4-8mm,etc |
Certificate of quality | SGS,MSDS,Non-asbestos testing report ,Chemical testing report |
Features | raw vermiculite will be expanded to many times when heated at 850-1100 °C, poisonless, odorless , corrosion-resistant, Non-combustible , natural?refractory?properties , Good?thermal?insulation , low?density ,etc ? |
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- Chemical properties of vermiculite
Chemical quota: Mg x (H2O)(Mg3-x)(ALSiO3O10)(OH2)
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Molecular | SiO2 | MgO | AI2O3 | Fe2O3 | FeO | K2O | H20 | CaO | PH | Loss in burning 800°C/Hour |
Name | Silicon | Magnesium | Aluminum | Iron | Iron | 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 | 7-8 |
- Physical properties of Vermiculite
?Vermiculite sheet Density | Expanded vermiculite Porosity | Hard-ness | Melting | Compressive | Index of | Moisture | Moisture | Anti | Antibio-ticity | Corrosion |
Kg/m3 | Kg/m3 | ? | °C | Mpa | Ng=1.525-1.561 | % | % | ? | ? | ? |
1100-1200 | 110-280 | 1-1.5 | 1320-1370 | 100-150 | Ng=1.545-1.581 | 7 | < 2 | good | good | Alkali- |
?1.Reletive humidity 100% 24H
2. Frozen and melted for 15 minutes in 20 under zero, its size won’t change
Norms of raw vermiculite (Implementation standards JC/T810-1996)
Categories | No.1 | No.2 | No.3 | No.4 | No.5 | No.5 |
Size mm | 8-16 | 4-8 | 2-4 | 1-2 | 0.5-1 | < 0.5 |
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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 , poisonous less and odorless, low hardness, burning-avoidance.
It has already been used in many fields like construction materials ,heat-resistant?materials ,sheet materials, painting, rubber, agriculture, forestry, nursery gardening ,forage, cultivation ,pharmacy,?friction?and sealing, metallurgy, etc.
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