raw gold vermiculite
Specifications
1.asbestos-free
2.used: industry agriculture and construction
3.color: silver and golden
Grade:superfine,fine,medium,large grade
1.Raw silver vermiculite size(grade) :
Vermiculite grade | Vermiculite size | Expansion ratio | Impurity |
Super fine | 0.3-1mm0.335-1mm | 7-9times | 1.Impurity:5%-10% 2.Moisture:5%max 3.Asbestos:None 4.Origin:Xinjiang,China 5.Sample is free with 1kgs 6.Price is negotiated |
Fine | 1-2mm 0.7-2mm | 9-10times |
Medium | 2-4mm 1.4-4mm | 10-11times |
Large | 3-6mm 4-8mm | 8-10times |
Chemicals:
Composition | SiO2 | MgO | Al2O3 | Fe2O3 | CaO | K2O | ph |
Percentage | 37-42 | 11-23 | 9-17 | 3.5-18 | 1-2 | 5-8 | 7-11 |
Vermiculite Applications |
In Construction | In Industry | In Agriculture |
1. Fireproof Board 2.Loose fill Insulation 3.Construction Coatings 4. Lightweight Concretes 5. Vermiculite Plasters | 1. Thermal Insulation, refractory 2. Sound Absorption Loose Filling 3. Friction Linings 4. Gaskets or Seals 5. Packing Materials | 1. Horticulture 2. Soil Improvement 3. Fertilizer Carrier 4. Hydroponics 5. Animal Feedstuffs |
Product photo: