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? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? Agricultural grade ?expanded ?vermiculite 1-3MM supplier ??
Introduction of ?Agricultural grade ?expanded ?vermiculite 1-3MM:?
1.?Features: fireproof, heat insulating, sound and moisture absorbing, non-toxic, lightweight, antibiosis
2.?A?mineraloid of hydrated laminar magnesium-aluminum- iron silicate.
3.?Chemical formation: (Mg,Fe,Al)3(Al,Si)4O10(OH)2?4H2O.
4. Density: ? 130kg/M3 ? ?Packing: 100L/bag ? ?1M3/Bag ( accept customized) ?
5. ?72m3/ 40HQ ? ??
Types of vermiculite: ?
| Golden raw vermiculite? | Golden exfoliated vermiculite | Silver raw vermiculite?? | ?Silver exfoliated vermiculite |
| ?0.3-1mm | ?0.3-1mm | ?0.3-1mm | ?0.3-1mm |
| ?1.5-2.5mm | ?1-3mm | ?1-2mm? | ??1-3mm |
| ?2.5-6mm | ?2-4mm? | ?2-4mm? | ?2-4mm? |
| ?3-8mm | ?4-8mm? | ?4-8mm? | ?4-8mm? |
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| Other specification: 20-40mesh,60mesh,80mesh,100mesh,325mesh etc |
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Application of Vermiculite
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| ???????? ?In Industry? | 1.?Gaskets or Seals 2.?Fireproofing 3.?Insulation in steelworks and foundries 4.?Packing Materials 5.?Friction Linings 6.?Refractory products 7.?Processed vermiculite |
| ??????? In Agriculture? | 1. Soil Improvement 2. Fertilizer Carrier 3. Horticulture 4. Hydroponics? 5. Animal Feedstuffs |
| ??????? In Construction? | 1. Fireproof Board? 2. Loose fill Insulation 3. Construction Coatings 4. Lightweight Concretes 5.Vermiculite Plasters 6. Bitumen coated vermiculite plates |
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Property of Vermiculite:?
| PH | 7 |
| Asbestos? | Free asbestos |
| Tensile strength? | 1,000-1,500kgs/CM2 |
| Hardness | 1-1.8 |
| Thermal Conductivity? | 0.047-0.081 W/(M.K) |
| Fire-proof? | 1300-1350 ℃ |
| Operating temperature | 900-1000 ℃ |
| Water-absorbing? | 26.5-40.6 % |
| Moisture absorbing | >2 % |
| Anti-freezing | For 15 cycles of freezing and thawing, Particle with no any change at-20℃ |
| Sound?????? absorbing??????????????? | 0.53-0.63 |
| Corrosion resisting?????? | Alkali-resisting??????????????????????????????????????????????????????????????? |
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Specification of Silver Raw Vermiculite: ??
| ?Size | ??Density | ?Specification | ?Moisture | ?Expansion Rate |
| ?0.3-1 mm? | ?0.8-1.0 g/cm3 | ?85% min? | ?3% max? | ?6.5 Times min |
| ?1-2 mm | ?0.8-1.0 g/cm3 | ?85% min? | ?3% max? | ??7.5 Times min |
| ?2-4 mm? | ?0.8-1.0 g/cm3? | ?85% min? | ?3% max? | ??7.5 Times min |
| ?4-8 mm | ??0.8-1.0 g/cm3 | ?85% min? | ?3% max? | ??7.5 Times min |
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Chemical Composition of Vermiculite:?
| ? | ELEMEMT? | SiO2? | Al2O3? | Fe2O3? | CaO? | MgO | TiO2? | K2O |
| ?Silver Vermiculite | CONTENT% | 37.56 | 11.85 | 5.15? | 1.51? | 22.44 | 1.05 | 6.39? |
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| ? | ELEMEMT??? | SiO2?? | Al2O3? | Fe2O3? | CaO??? | MgO?? | TiO2 | K2O?? |
| ?Golden Vermiculite? | CONTENT%? | 43.75 | 15.55 | 15.8 | 1.32? | 8.98 | 1.67? | 5.19 |
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Golden Vermiculite photos:?
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Silver vermiculite:?
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Packaging & Shipping
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Company Information
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Certifications
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