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SeriCite Powder

Shanghai International Tendering Co., Ltd

SeriCite Powder

Country/Region China
Categories Mica

Product Details

一.Feature:
Dry ground muscovite, Wet ground muscovite, Dry ground sericite, wet ground sericite , Golden mica, Biotite
General domestic sheet sericite mica mine is formed due to the role of regional nature. Mineral composition is relatively simple, the main ingredients are sericite mica and quartz, about 50% two components each. Ore appears delaminated structure, likes crystal structure of flake-granite, has the exterior of a silken luster, a hand out smooth and grease. The current process generally are divided into dry and wet two kinds of methods.
二.Photo:
三.Dry method:
Processing principle: Under the effect of the mechanical power and wind power, the raw ore causes hit, cut and friction each other between the material and the medium, thus causes the material particle to become fine.
Production technology: see color picture
Wet method:
Processing principle: Under the aqueous medium condition, the sericite mica and the quartz are stripped by roller grinding and stripping. Next, through hiting mutually and cutting, causes the material granular to become small. Last, remove the sand through the water power eddy to make the sericite mica granular to be concentrated.
Production technology: see color picture
Performance difference between dry and wet method of sericite mica
Main difference between the dry and wet method process lies in:
Dry process is unable to reject mineral impurity and so on associated the quartz, the product purity low, the quality fluctuation big, what is more essential is the sheet structure of sericite mica but is destroyed because dry- grinding, affects the product quality and the application. The wet method process after the dressing, except mixed concentrates, product purity high, quality stable, at the same time the sheet structure obtains well protects, ratio of diameter to thick big. Therefore t wet method process product receives more attention.
Characteristic of wet method sericite mica:
1. The stripping and flaking off by wet process, the sheet structure maintenance complete, ratio of diameter to thick is big.
2. Removing sand, the flotation selection and concentration by wet process, the purity of sericite mica is high;
3: Stripping and superfining by wet process, the granularity is thin also the scope of size controls narrow;
4. De-iron and bleaching by wet process, whiteness of product enhances above 10% than dry process.
四.Properties contract table between dry and wet method:
Technology
Dry method
Wet method
Properties
Granular size
100-600 mesh
425-5000 mesh
Sericite mica %
40-60%
80-98%
Other composition
SiO2%
65-75
50-58
Al2O3%
13-18
26-30
K2O%
4-7
7-9
Ratio of Diameter to thickness
15-24
50-80
Whiteness O
65-72
78-82
Bulk density g/ml
0.4-0.6
0.25-0.35
Carbonate salt
0.5-10%( uncertain )
Zero

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