Address: 1-601, No.11, Xiyayuan, Lianmeng Plaza,North Youyi Street, Shi Jiazhuang, Hebei, China (Mainland)
Phone: +86-311-8779 +0106
Raw Vermiculite
VermiculiteVermiculite is the generic name for laminar,Hydrated ferromagnesian-aluminum-silicateMinerals that resemble mica in the crude form.It has a great number of industrial uses byVirtue of its expansion behavior on heating.When heated rapidly to 900-1000centigrade,Interlaminar water turns to steam and causes the mineral layers to exfoliate or separate into worm-like pieces. This forms a material with low density, excellent insulation properties, good absorption, ion exchange capacity, chemicallystable and non-toxic. The above properties makeIt widely used in construction, agriculture and horticulture, and industrial application.A, qualityA typical chemical analysis of ChineseVermiculite is shown in table bElement% by weightSio2 38-46%Al2o3 10-16%Mgo 16-35%Cao 1-5%K2o 1-6%Fe2o3 5-13% (i)Fe2o3 16-22% (ii)Tio2 1-3%H2o 8-16%Other 0. 2-1. 2%Table b typical chemical analysisThe exfoliated vermiculite has a differentColour according to the difference in fe2o3Content. Hebei minmetals classify theVermiculite into two types, silver-white andGolden-yellow.Type (i) , fe2o3 content 5-13%Exfoliated vermiculite colour gray-silver-white, similar in colour to south African material.Type (ii) , fe2o3 content 16-22%Exfoliated colour golden-yellow, similar inColour to Australia and India etc.Volume coefficient rate: 4. 5-10 times:Impurity content: 8% max.Adhere moisture: 5% max.The golden-yellow vermiculite has a highReputation in Japan and south Korea, used inAgriculture and horticulture, for it is stableQuality and very competitive price, while theSilver-white vermiculite is popular for use inThe construction industryB. GradingTg-5 0. 5-1. 414 mm 30-12 mesh 80% min.Tg-4 1. 414-3. 35 mm 12-6 mesh 80% min.Tg-3 3. 35-7 mm 6-3 mesh 80% min.Tg-2 7-12 mm 0. 265-1 / 2inch 80% min.C. Exfoliated vermiculiteGrading: As customer request.Bulk density: 90-200kg / m3
DFL Minmet Refractories Corp, producer and supplier of sepiolite products, its size varies from 1-2mm, 2-4mm, 3-5mm to 100mesh, 200mesh, 250mesh, etc.Sepiolite is a very uncommon clay because of both
DFL Minmet Refractories Corp, as a producer and supplier of vermiculite series products, such as raw vermiculite, silverwhite exfoliated vermiculite, golden-yellow exfoliated vermiculite, exfoliated v
As a producer and supplier of mica series products, we can supply muscovite splittings, muscovite powder (wet ground / dry ground) , muscovite scrap and flake, muscovite strips, mica waste, phlogopite
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