Acicular Wollastonite-CAO 45 with High Quality

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
20 m.t.
Supply Capability:
1000 m.t./month

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Product Description:

Specifications


1. Size:325-1250mesh 

2. SiO2:49-50% 

3. Packing:1ton bags or 25kg 

4. Delivery time:15-20days 

5 Price:300-350$


1. Product introduction

Wollastonite belongs to triclinic, crystal usually extends along Y-axis and becomes board shape, bacilliform or acicular. Pure wollastonite appears to be white, ivory-white light gray, light green or pink colour. Its appearance has vitreous luster.

Our company can manufacture many kinds of fine wollastonite powder, it is all manufactured by high quality raw materials. It has many good characteristics, such as granularity equality, homogeneous, high purity, endless catenulate, acicular crystallize, high whiteness, low ferrous, minimum S, P, low oil-absorption and etc.


2. Chemical Properties

SiO2     CaOFe2O3  Al2O3  MgO   S    P  Loss

%max    %max%min  %min  %min  %min  %min  %min

 49    45        0.2  0.8  0.8 0.001  0.001   1.5

 49    46        0.25  0.8  0.8 0.001  0.001   1.5

 50    43        0.2  0.8  0.8 0.001  0.001    3

 49    45        0.25  0.8  0.8 0.001  0.001   1.6

 49    43        0.2  0.8  0.8 0.001  0.001   2.5

3. Main Use

Ceramic       Coating

MetallurgyPainting

Plastic       Frictional materials

Rubber       Insulator

Paint       Building materials

Composite materialsOthers

4: Picture

Acicular Wollastonite-CAO 45 with High Quality

Acicular Wollastonite-CAO 45 with High Quality

Acicular Wollastonite-CAO 45 with High Quality

Acicular Wollastonite-CAO 45 with High Quality

3.Main applications of wollastonite

 

MetallurgyFriction material
WeldingConstruction
CeramicsRubber
 PaintsPlastic
 CoatingElectronics


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Q:Silica powder and calcite powder have big difference
Quartz sand is quartz quartz stone crushing processed. Rock (quartz), also known as silica, is a hard, abrasion resistant and chemically stable silicate mineral. In nature, quartz sandstone, quartzite and quartz quartz exist. Quartz sandstone is a consolidated clastic rock with a quartz content of more than 95%.
Q:Does plastic modification add wollastonite to improve tearing properties?
However, the tearing properties of materials are generally applicable to films. If this is the case, I estimate that the tear properties of the film will not be improved by adding mineral fillers
Q:The function of wollastonite powder
Wollastonite after finishing has the characteristics of high aspect ratio (10:1-15:1), high whiteness and so on. Has been widely used in plastics, rubber, coatings, ceramics, friction materials, insulation materials, building materials and other industries.
Q:What is the difference between wollastonite powder and calcium carbonate?
The composition of wollastonite is Ca3 [Si3O9]. Three orthorhombic system, belongs to single chain silicate mineral. Usually flaky or radially or fibrous aggregates. White microstrip gray. Glass luster, pearl luster on cleavage surface.
Q:What are the surface modification methods and processes of wollastonite?
The treatment of wollastonite with silane coupling agent by surfactant modification can greatly improve its compatibility with polymer and enhance the filling effect, but the production cost of silane coupling agent modified is higher. Therefore, in some applications, the available surface active agent is cheaper, such as stearic acid (salt), quaternary ammonium salt, polyethylene glycol, fatty alcohol polyoxyethylene ether (nonionic surfactant) on surface modification of wollastonite powder. These surfactants are coated on the surface of particles by polar groups and particles, which can greatly enhance the lipophilic properties of wollastonite fillers... Details can be seen on the powder technology.
Q:Addition of needle like wollastonite in engineering plastics
Wollastonite is added to engineering plastics, which is called calcium plastic in the industry, because slaked lime is calcium hydroxide and lime is calcium carbonate. In order to increase the strength of the plastics, the calcined wollastonite is added.
Q:World resources of Wollastonite
At present, the application in the high-end market is very optimistic. At present, domestic enterprises have begun to carry out deep processing of wollastonite, synchronous application research, I believe that in the next 2-3 years, there will be a domestic enterprises among the forefront of the world wollastonite industry.
Q:The difference between wollastonite and quartzite
Quartz sand is quartz quartz stone crushing processed. Rock (quartz), also known as silica, is a hard, abrasion resistant and chemically stable silicate mineral. In nature, quartz sandstone, quartzite and quartz quartz exist. Quartz sandstone is a consolidated clastic rock with a quartz content of more than 95%.
Q:Can titanium, barium sulfate, calcium carbonate, wollastonite powder and talcum powder be transported by ordinary vehicles?
Occupational protection is recommended from the above quality, grade, comfort, economy to assess, choose a good mask to prevent pneumoconiosis.At present, China has KN100 grade products, and the use of comprehensive costs of about one yuan per day.
Q:What are the specific applications of wollastonite in coatings?
The use of needle like wollastonite 7, paint industry, excellent wollastonite powder coating used to paint some products, and some titanium dioxide instead of lithopone import P820 as a filler, can improve the coating leveling. And can greatly reduce the cost of paint;The use of needle like wollastonite 8, metallurgy and refractory industries, wollastonite unique physical characteristics - high melting point, making wollastonite become the most promising foreign experts in refractory materials;The use of needle like wollastonite 9, welding rod industry, wollastonite used in coating electrode, accelerate the melting rate, with energy saving, anti porosity, accelerated coating melting speed and so on;

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