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raw & crude & ore
silver vermiculite
1. silver vermiculite description
silver vermiculite is usually used in industry, Fe2o3 is less than golden vermiculite, so silver vermiculite has good insulation. And vermiculite can used in concrete. Commonly used matrix used matrix has turfy earth, coconut tree branny, pearlite, vermiculite, mix commonly use. Turfy not too fine, pearlite grain diameter 3-4 millimeter, vermiculite graindiameter 3-5 millimeter are idealer.
2. vermiculite description
Our factory produce two kind of vermiculite, crude vermiculite and exfoliated vermiculite. they both have two types: silver-grey type(Fe2O3 content around 5-8%, similar with South Africa vermiculite) and Golden-yellow type (Fe2O3 content around 15-23% similar products with India and Australia). the silver type mainly used in refractories/insulations, the golden yelloe type mainly used in agriculture and horticulture.
the PH of the golden yellow type is 6.5-7.2 and the silver vermiculite's PH is 8.5-9.5, so compared with silver vermiculite, golden vermiculite is more neutral. in Japan, Korea market, our customers choose golden vermiculite used for agriculture and horticulture.
3. Vermiculite size
| Raw vermiculite | Siver vermiculite: 0.3-1mm1-2mm2-4mm3-6mm4-8mm |
Golden vermiculite: 0-30um0.3-0.6mm0.65-1mm 0.3-1mm0.5-1.5mm0.5-1.2mm1.2-3.5mm1.5-2.5mm 1-2mm2-4mm3-6mm3.5-7mm,etc | |
| Expanded vermiculite | Silver vermiculite: 0.3-1mm1-3mm2-4mm3-6mm 4-8mm20-325mesh |
Golden vermiculite: 0.3-0.6mm0.65-1mm0.3-1mm 1-3mm2-4mm3-5mm4-8mm |
4. Expanding ratio
5. Applications of vermiculite
Construction: Light wight material, light aggregate concrete, heat-resisting material, wall material, bora fireproofing, fire mortar, fireproofing tile
Heat preservation and insulation:sound-absorbing material, sunken pipe, greenhouse pipe, heat preservation material, in-built material indoor and tunnel, wall of public and ceiling
Metallurgy: clad material in steel, iron making, foundry, bulk material of vermiculite
Horticulture: lawn of golf, seed preservation agent, soil conditioner, wetting agent,plant growth substance, feed additive Fishing industry of ocean: bait
Others:adsorbent, filter aid, active carrier of chemicals and fertilizer, sewage disposal, oil adsorption of ocean mcigarette filters, regulate density od explosive
Our Services
1. We could offer free samples.
2. We could offer SGS inspection as well as other international inspection department.
3. We could provide professional service according to formula and your application, Customer tailored Spec is available.
4.We could offer you so competitive a price acting on the principle of mutual benefit and common development.
