Wollastonite under different grade and different size

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Loading Port:
Tianjin
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TT OR LC
Min Order Qty:
20 m.t.
Supply Capability:
3000 m.t./month

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Wollastonite is widely used in ceramic, coatings, plastics, rubber, welding, chemical, metallurgy, construction, automobile ,asbestos substitutes and paper industry . We can supply different grades of wollastonite powder, Acicular Wollastonite and other formal product.


Wollastonite
Cas no: 13983-17-0

1*20 FCL can load about 25-27 tons.

Brief Introduction of Our Products Wollastonite:The formula of Wollastonite is CaSiO3.The ideal chemicalspecifications are as followed:SiO2 :51.75% ; CaO:48.25% , heated-Swelling,

Coefficient:6.5*10-6°C-1, Moh's Hardness 4.5-5.0 , Density:2.8 , melting Point 1540°C , Refraction Index 1.62

 It is mainly used in produces Coatings , plastics , Ceramic and building materials

SPECIFICATION OF CERAMICS GRADE

DescriptionWhite powder

ItemsSiO2 %CaO %MgO %Fe2O3 % S %P %Al2O3Loss %

Grade A≥49≥46≤0.8 ≤0.3≤0.01≤0.01  ≤ 0.8≤1.5 

Grade B≥50 ≥43≤0.8  ≤0.3≤ 0.01≤0.01   ≤ 0.8≤3

Grade C≥51≥40≤0.8≤0.35≤ 0.01≤0.01≤ 0.8≤5

Size80-400 mesh or as request


Specification for Metallurgical Grade

ItemsSiO2 %CaO %MgO %Fe2O3 % S % P %Loss %White Grade

Grade A45-5638-43≤0.8≤ 0.2≤0.001≤0.0014.5-5.5  ≥80

Grade B49-5144-46≤0.8≤ 0.2≤0.001≤0.0011-2.5 ≥85

Size: From 80 mesh to 400mesh or adjusted according to customer’s request

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Wollastonite under different grade and different size




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Q:Material characteristics of carbon fiber
This allows carbon fibers to have the highest specific strength and specific modulus in all high-performance fibers. Compared with the metal materials such as titanium, steel and aluminium, carbon fiber has the characteristics of high strength, high modulus, low density and low coefficient of linear expansion. It can be called the "king of new materials". In addition to carbon fiber with general characteristics of carbon material, its appearance has obvious anisotropy and soft, can be processed into a variety of fabrics, and the proportion of small, along the fiber axis show a very high strength carbon fiber reinforced epoxy resin composites, the strength and modulus of composite indicator in the existing structural materials is the highest. The tensile strength of carbon fiber resin composite materials are generally in more than 3500 MPa, is 7 to 9 times that of steel, the tensile modulus of 230 to 430G were also higher than that of steel; therefore the specific strength of CFRP material intensity and density can be achieved above 2000 MPa, the specific strength of A3 steel is only 59 MPa.
Q:Carbon Finance: Carbon Finance
Carbon finance does not have a unified concept. Generally speaking, it refers to all financial activities that serve to limit greenhouse gas emissions, including direct investment and financing, carbon index trading and bank loans. The rise of "carbon finance" stems from changes in international climate policy and, precisely, two international conventions of great significance - the United Nations Framework Convention on climate change and the Kyoto protocol. Carbon finance definition: improved use of financial capital to drive the environmental rights and interests, to the laws and regulations for support, the use of financial means in the market platform makes carbon financial products and derivatives trading or to circulation, and eventually achieve a low-carbon development, green development and sustainable development objective. The United Nations Conference on environment and Development held in June 1992 in Brazil, Rio De Janeiro, more than 150 countries have established the "United Nations Framework Convention on climate change" (United Nations Framework Convention on Climate Change, referred to as the "Framework Convention"). The ultimate goal of the Convention is to stabilize atmospheric concentrations of greenhouse gases at levels that do not harm the climate system.
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This is difficult, usually with a lathe like tool, by heating in the brush, layer by layer roll up, and finally cut off paint, baking
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Just like Chinese children, when they were young, they said, "Uncle", because they are small and articulate. It is easy to say "ball ball".
Q:The organic matter M, which contains only carbon, hydrogen and oxygen, was measured by mass spectrometer.
The mass fraction of oxygen element is 48.48%, the mass fraction of hydrocarbon is =51.52%, and the mass ratio is 15:2. The mass fraction of carbon is =51.52%x15/ (15+2) =45.46%, and the mass fraction of hydrogen is =51.52%x2/ (15+2) =6.06%The atomic number of C, H and O is higher than that of =45.46%/12:6.06%/1:48.48%/16=3.79:6.06:3.03Molecules contain only COOH, and oxygen atoms must be even numbers.Therefore, the number of atoms in C, H and O can be reduced to =5:8:4, which may be C5H8O4, and the relative molecular weight is 132
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Usually we measured is organic carbon, and then multiplied by 1.724 is organic matter.
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Therefore, the carbon fiber composite core can be used in the design and manufacture of transmission carriers under extremely cold conditions, such as Antarctic research and research.
Q:15CrMo seamless steel tube and carbon plate welding fracture what is the reason?
Is heat-resistant steel, welding performance is poor, using ER80S-B2L welding wire, T1G welding bottoming, E309Mo-16 welding rod, electrode filling arc welding cover surface, welding without heat treatment
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Be careful not to let their affected by the cold, otherwise, may make the body temperature decreased cardiac arrest. If the poisoned person can drink, can feed the hot tea and sugar, to keep warm, cold towel head can not be used, but can not pour cold water. Poisoning breathing difficulties or just stop breathing, artificial respiration should be immediately closed chest cardiac massage or first aid, and to call the ambulance the unit, or ask the neighbors to help, send the patient to the hospital for treatment.
Q:What is the burning point of carbon?
There are many forms of carbon, such as charcoal, coal, and even diamonds!And different forms have different ignition points!Generally speaking, the ignition point of charcoal is relatively low, about 300 degrees, and the coal is higher, at 600 - 700 degrees!

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