Shandong, China
Business Type:
Year of Establishment:
Plant Area:
3240.0 square meters
Export Year:
OEM/ODM Availability:
OEM/ODM Service
Sample Available

Wollastonite, Grammite, Tabular Spar manufacturer / supplier in China, offering Wollastonite, Used in Metallurgy, Ceramics, Rubber, Plastic, Coating, Citric Acid Monohydrate / Anhydrous, Food Ingredients, Bp98/E330/FCC, Halal/Kosher/GMP, Humic Acid, Organic Fertilizer, 60%, 70%, Improve Water Holding Capacity & Aeration and so on.

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Supplier Homepage Products Natrual Stone Wollastonite, Used in Metallurgy, Ceramics, Rubber, Plastic, Coating

Wollastonite, Used in Metallurgy, Ceramics, Rubber, Plastic, Coating

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Min. Order / Reference FOB Price
25 Tons US $200-500/ Ton
Port: Dalian, China
Production Capacity: 3000tons/Month
Payment Terms: L/C, T/T, Western Union, Money Gram
Certification: CIQ, ISO
Purity: 50%~80%
Type: Wollastonite,
Appearance: Powder
Grade Standard: Industrial Grade
CAS No.: 1344-95-2, 10101-39-0

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Basic Info

Model NO.: SiO2, 45-55%
Trademark: LY
Transport Package: Plastic Bag
Specification: SiO2 45-55%
Origin: Shandong
HS Code: 2530909100

Product Description

Our advantage:
1. Factory price,
2. Good Quality,
3. Free sample,
4. ISO Cerficate,
5. A long stable supplier,
6. Good support to you
Product Description
Wollastonite is a naturally occurring mineral with many unique characteristics.

Through advanced processing, its properties become valuable in a variety of end-use applications. Such as CaO/SiO2=0.93, it has the ideal alkalinity, approaching neutrality. In metallurgical industries, steel madding requires a stable alkalinity. Its alkaline nature also acts as an anti-corrosive agent in paints and coatings. As a raw material source of CaO, it can be used in ceramic glazes and frits. After processing to increase the content of soluble silicon, wollastonite can also be used in agriculture as a compound fertilizer.

One of wollastonite's most unusual characteristics is its needle-like structure. Its high aspect-ratio fibrous particles are very useful in many physical reinforcement applications.

Additionally, the surface treatment of wollastonite leads to superior performance in its use with a variety of organic systems. It permits higher filler loading, improves dispersion, improves powder flow characteristics and so on.

1.The chemical Properties of wollastonite
ComponetSiO2  CaO Al2O3 Fe2O3 TiO2  MgOL.O.I  
Content(%) 49-53 43-45 0.26max 0.35max 0.02max 1.3max 1.5-3

2.The physical properties of wollastonite
Powder Size (mesh)80-2000
Ratio of length to diameter(L/D)8-25 8-25
absorption oil value  (g/100g)20-26
Expantion coefficient(mm//mmºC)6.5×10-6
Melting point( ºC )1450
Sedimentation value(ml/200m) 40-90

3.Main applications of wollastonite
 MetallurgyFriction material

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