Wollastonite-Products-Shijiazhuang Mining Imp&Exp Trade Co.,Ltd-

Andalusite Calcined Bauxite Sepiolite Steel Wool Mineral Fiber Wollastonite Brucite Vermiculite Mica Barite Zeolite Perlite Volcanic Stone Ceramic Ball

Chemical composition and specification of wollastonite

Physical and chemicial index	SiO2	CaO	Al2O3	Fe2O3	TiO2	MgO	S	P	Loi	Size	Whiteness
	≥	≥	≤	≤	≤	≤	≤	≤	≤	L/D
Particle size	45-56	38-43	0.8	0.3	0.003	0.8	0.003	0.003	5.5-6	0-8mm	≥75

Glaze grade powder	49-51	44-46	0.8	0.25	0.003	0.8	0.003	0.003	1.5-2.5	325-800mesh	≥85

Metallurgy grade powder	49-51	44-46	0.8	0.25	0.003	0.8	0.003	0.003	1.5-4	200mesh	≥90
										325mesh
Superfine powder	49-51	44-46	0.8	0.25	0.003	0.8	0.003	0.003	1.5-3	800-1250mesh	≥92


Needle-like powder	49-51	44-46	0.8	0.25	0.003	0.8	0.003	0.003	1.4	100-325mesh L/D21:1-16:1	≥90


Superfine needle-like powder	49-51	44-46	0.8	0.25	0.003	0.8	0.003	0.003	1.4	Above 800mesh L/D18:1-10:1	≥92

Application of Wollastonite

Application Industry	Main Use
Ceramics	1. glazed brick
	2. sanitary porcelain
	3. household porcelain
	4. artistic porcelain
	5. electrical porcelain
	6. wireless electric porcelain with high frequency and low loss
	7. chemical stoneware
	8. glaze
	9. pigment
Chemicals	1. coating
	2. paint
	3. rubber
	4. plastic product
	5. resin filling
Metallurgy	1. covering slag of casting steel
Metallurgy	2. heat insulating material
Construction	1. accessory building materials or white cement replacing asbestos
	2. raw materials of microcrystalline glass with acid resistance and alkali resistance
	3. fluxing agent of glass
Electronics	1. electronic insulation material
Electronics	2. coating material of fluorescent lamp, television tube, X-ray fluorescent screen
Machinery	1. electric welding material
	2. abrasive material of grinding apparatus
	3. casting mould
Paper-making	filling for replacing partial paper pulp
Autocar	filling of clutch, brake, handle of car door, bumper and other engineering plastics products
Agriculture	1. modifying agent of soil
Agriculture	2. plant fertilizer
Other	1. filter medium
Other	2. refractory material of glass melting furnace

Packaging Method:

pp bag, 1mt/bag, 25kg/bag or as customer’s request

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