Specifications
1.no asbestos 2.manufactory for vermiculite 3.have ten years experience in vermiculite 4.time of the delivery is shot1. CHEMICAL COMPOSITION OF VERMICULITE
element | SiO2 | MgO | Fe2O3 | Al2O3 | CaO | K2O | H2O | PH |
content % | 37-42 | 11-23 | 3.5-18 | 9-17 | 1-2 | 5-8 | 5-11 | 7-11 |
2.specification of silver vermiculite
MM SIZE | G/ML DENSITY | % SPECIFICATION | % MOISTURE | % IMPURITY | ML/G EXPANSION VOLUME |
0.5-1 | 0.7-1.1 | 85min | 5max | 8max | 4min |
1-2 | 0.8-1.1 | 85min | 5max | 8max | 7min |
2-4 | 0.8-1.1 | 85min | 5max | 10max | 8min |
4-8 | 0.8-1.1 | 85min | 5max | 10max | 8min |
3.GOLDEN VERMICULITE(50KG or 1ton/bag)
(Grade) | SIZE MM | EXPANSION VOLUME ML/G | % IMPURITY | % MOISTURE | sand% |
SWT-3 | 3-8 | 5min | 15max | <3 | <15 |
SWT-4 | 1.5-2.5 | 5min | 10max | <3 | <15 |
SWT-5 | 0.3-1 | 5min | 8max | <3 | <15 |
SWT-6 | 0.1-0.5 | 4min | - | <3 | - |
4. AIN PROPERITES OF EXPANDED VERMICULITE
KG/M³ UNIT WEIGHT | W/{M·K} THERMAL CONDUCTIVITY | FIRE-PROOF °C | TEMPERATURE IN USE °C | WATER-ABSORBING % | MOISTURE ABSORBING % | ANTI-FREEZING | SOUND ABSORBING | CORROSION RESISTING |
60-200 | 0.047-0.081 | 1300-1350 | 900-1000 | 26.5-40.6 | 2 |
| 0.53-0.63 | Alkali-resisting |
Vermiculite Application
Vermiculite in Industry 1. Gaskets or Seals 2. Fireproofing 3. Insulation in steelworks or foundries 4.Packing materials 5.Animal feedstuffs 6.Friction lining 7.Refractory products 8.Processed vermiculite |
Vermiculite in Agriculture 1. Soil improvement 2. Fertilizer carrier 3.Horticulture 4.Hydroponics |
Vermiculite in Construction Industry 1.Bitumen coated vermiculite plates 2.Construction coatings 3.Lightweight concretes 4.Loose fill insulation 5.Vermiculite plasters 6.Fireproof board |