Specifications
1.Wholesalers Vermiculite2.Size:0-8nn
3.Expansion ratios:5.5-11times
4.Color:silver and gold
5.Origin:China
Product name :vermiculite
Chemical formula M g × (H2O) [Mg3 × (AlSiO3O10) (H2O)]
Type :raw vermiculite ,expanded vermiculite
Color :silver vermiculite ,golden vermiculite
Vermiculite certificate of quality :SGS,MSDS,Non-asbestos testing report ,Chemical testing report
Our vermiculite product:raw vermiculite ,expanded vermiculite ,vermiculite powder,vermiculite board
?1.Vermiculite size :
? ? Raw vermiculite | Siver vermiculite: 0.3-1mm1-2mm2-4mm3-6mm4-8mm |
Golden vermiculite: 0-30um0.3-0.6mm0.65-1mm0.3-1mm0.5-1.4mm0.5-1.2mm1.2-3.5mm0.5-1.41mm 1.5-2.5mm1-2mm2-4mm3-6mm3.5-7mm,etc | |
? Expanded vermiculite ? | Silver vermiculite: 0.3-1mm1-3mm2-4mm3-6mm4-8mm20-325mesh |
Golden vermiculite: 0.3-0.6mm0.65-1mm0.3-1mm1-3mm2-4mm3-5mm4-8mm 20-325mesh |
?Special size is supplied as per customer' demands
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2.Vermiculite Chemicals and physical prperties :
Composition | SiO2 | MgO | Al2O3 | Fe2O3 | CaO | K2O | ph |
Percentage | 37-42 | 11-23 | 9-17 | 3.5-18 | 1-2 | 5-8 | 7-11 |
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Origin of golden vermiculite | Hebei,China | Origin of silver vermiculite | Xinjiang,China |
Melting ?point | 1320°C-1370°C | Asbestos | None |
Hardness | 1-1.5 | PH | 7-11 |
Solubility | Insolubility (most liquid ) | Combustibility | Non-combustible |
Reactivity | Non reactive (except in very stong acids) | Corrosion resistance | Alkali-resistant |
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3.Applications
1>.Construction :lightwight material ,light aggregate concrete ,heat-resisting material,wall material,bora firproofing ,fire mortar,fireproofing tile
2>.Heat preservation and insulation:sound-absorbing material,surken pipe ,greenhouse pipe ,heat preservation material ,in-built material indoor and tunnel ,wall of public and ceiling
3>.Metallurgy :clad material in steel,ironmaking ,foundry,bulk material of vermiculite
4>.Horticulture :lawn of golf,seed preservation agent,soil conditioner ,wetting agent,plant growth substance,feed additive
5>.Fishing industry of ocean :bait
6>.Others :adsorbent ,filter aid,active carrier of chemicals and fertilizer,sewage disposal,oil adsorption of oceanmcigarette filters,regulate density od explosive