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Mesh 2000 Wollastonite Powder

Mesh 2000 Wollastonite Powder

Brand Name H&G
Model Number HGWD-2000
Place of Origin CHINA
Minimum Order Quantity 2000KGS
Payment Terms L/C, T/T
Supply Ability 1000 Tons/Month
Delivery Time 15 -20 working days
Packaging Details 25 Kgs/Bag, 1000Kgs/Bag or Customization
Size Mesh-325,Mesh-1000,Mesh-1250,Mesh-2000
product name High Quality Wollastonite Powder(Calcium metasilicate)
Formula CaSiO3
Usage Engineering technical plastics Fluoro elastomer e.g. for oil sealing heat-resistant refractory ceramics metallurgy wood composites adhesives filler in paint, paper and other products friction products such as brake pads
Future noticeable acicular and long fiber
Color White
shape Powder
Leading Time 15 working days
Detailed Product Description

Grade:HGWD-2000


Product:High Quality Wollastonite Powder(Calcium metasilicate)

 

Paints and Coatings: In coatings, fine acicular particles act as a good flattening agent and allow paint to settle out after application to produce a dry film of uniform thickness, and the interlocking particles improve toughness and durability of the coating with excellent tint retention, scrub, and weather resistance. High brightness and whiteness reduce pigment load and typically very low oil absorption, reduces the volume of binder required and contributes to reduced pigment costs. As noted earlier, wollastonite can also act as a pH buffer for improved in-can paint stability over long periods of time. The acicular structure and alkaline nature of wollastonite also make it an ideal auxiliary pigment in industrial coatings and primers for improved corrosion resistance.
 
Decriptions

Wollastonite is an inorganic needle-like mineral, and wollastonite products have very noticeable acicular and long fiber structures .It is characterized by non-toxicity, chemical corrosion resistance, good thermal stability and dimensional stability, glass and pearl luster, low water absorption and oil absorption value, excellent mechanical and electrical properties,even reinforcing effect. Wollastonite products with long fibers and easy separation, low iron content and high whiteness.

Wollatonite is Widely used in plastics, rubber, asbestos substitutes, paint coatings and other fields, it can increase the hardness, flexural strength, impact resistance of products, improve the electrical properties of materials, improve thermal stability and dimensional stability, and is the most promising application field. It is also used in the ceramics and metallurgical industries. The SiO2 and CaO components in wollastonite provide low expansion rate and good thermal shock resistance.


 
Application
 

Wollastonite is used for many different industrial purposes, including the production of:

Engineering technical plastics

Fluoro elastomer e.g. for oil sealing

heat-resistant refractory ceramics

metallurgy

wood composites

adhesives

filler in paint, paper and other products

friction products such as brake pads

 
Advantages
 

a. good compatibility.

b. Excellent Stability and products meets clients requirement absolutely

c. Excellent performance on physical properties

 

Properties

 

ItemMesh-325Mesh-325Mesh-1000Mesh-1250Mesh-2000Mesh-2500Mesh-3000
Density g/cm32.8-2.92.8-2.92.8-2.92.8-2.92.8-2.92.8-2.92.8-2.9
Mohs Hardness4.54.54.54.54.54.54.5
Whiteness (R45T%)88±288±288±288±288±288±288±2
Oil Absorption Rate (ml/100g)50≦55≦55≦55≦55≦55≦55
Particle SizeD50(um)D50(um)D50(um)D50(um)D50(um)D50(um)D50(um)
Refractive Index1.631.631.631.631.631.631.63
PH9.99.99.99.99.99.99.9
Coefficient of expansion(mm/mm/℃)6.5 x 10-66.5 x 10-66.5 x 10-66.5 x 10-66.5 x 10-66.5 x 10-66.5 x 10-6
Aspect Ratio3.1-6.13.1-6.13.1-6.13.1-6.13.1-6.13.1-6.13.1-6.1
Melting Point1540154015401540154015401540
Chemical Properties
Fe2O30.38%0.38%0.38%0.38%0.38%0.38%0.38%
Al2O30.32%0.32%0.32%0.32%0.32%0.32%0.32%
CaO45.70%45.70%45.70%45.70%45.70%45.70%45.70%
MgO1.39%1.39%1.39%1.39%1.39%1.39%1.39%
SiO250.61%50.61%50.61%50.61%50.61%50.61%50.61%
L.O.I1.411.411.411.411.411.411.41

 

Remark:The properties can be customized according with clients requirements.

Product Tags: Mesh 2000 Wollastonite Powder   CaSiO3 Wollastonite Powder   White calcium metasilicate  
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