Exfoliated Vermiculite
Products Exfoliated Vermiculite
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We are reckoned as one of the most staggering Exfoliated Vermiculite Manufacturers in India. The Exfoliated Vermiculite offered by us is extensively demanded in the marker due to the unmatched quality and physical properties. The same has also made the mineral ideal for various applications in Refractories and Insulation. The Raw Exfoliated Vermiculite is available in varied grades and compositions to meet the requirements of the applications. Additionally, customers are also eased with the availability of the Arthalite Exfoliated Vermiculite in varied sizes and dimensions as per the specifications provided.
Chemical Formula:
(Mg,Ca,K,Fe11)3 (Si,AL,Fe111)4O10(OH)2O4H2O
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Chemical Analysis of Exfoliated Vermiculite
| Element | Percent by Weight | | SIO2 | 38-46 | | AL2O3 | 10-16 | | MgO | 16-35 | | CaO | 1-5 | | K2O | 1-6 | | Fe2O3 | 6-13 | | TIO2 | 1-3 | | H2O | 8-16 | | Other | 0.2-1.2 |
Physical Properties of Exfoliated Vermiculite
- Bulk density and water holding capacity vary with article size.
- Exchangeable ions are Mg+2 and Ca+2, sodium acetate saturation / ammonium acetate substitution method.
Particle Size
| Color | Light to dark brown | | Shape | Accordion-shaped granule | | Bulk density (a): | 64-160 kg/cu m
4-10 lb/cu ft | | Moisture loss@110oC (230oF) | 4-10% | | pH (in water) | 6-9 | | Combustibility | Non-Combustible | | MOH Hardness | 1-2 | | Sintering temperature | 1150-1250 0C
2100-2280 0F | | Fusion point | 1200-1320 0C
2200-2400 0F | | Cation exchange capacity (b) | 50-150 me/100g | | Specific heat | 0.84-1.08 kJ/kgK
0.20-0.26 kcal/kgK
0.20-0.26 Btu/lb F | | Waterholding capacity (a) | 220-325% by wt
20-50% by vol |
| Size | Densities | Equivalent names/designations |
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| mm | in | kg/cu m | lb/cu ft | System A | System B |
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| 16 | 5/8 | down | 56-72 | 3.5-4.5 | NA | Premium (6) | | 8 | 5/16 | down | 64-85 | 4.0-5.0 | 1 | Large (4) | | 4 | 5/32 | down | 72-90 | 4.5-5.5 | 2 | Medium (3) | | 2 | 0.08 | down | 75-112 | 4.7-7.0 | 3 | Fine (2) | | 1 | 0.04 | down | 80-144 | 5.0-9.0 | 4 | Superfine (1) | | 0.5 | 0.02 | down | 90-160 | 5.6-10.0 | 5 | Micron (0) |
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PRODUCTS
