Gold Member Since 2014
Audited Supplier
Qingzhou Zhongyuan Chemical Industry Co., Ltd.

Wollastonite, Grammite, Tabular Spar manufacturer / supplier in China, offering Wollastonite /Grammite /Vilnite /Gillebackite /Aedelforsitefor Rubber and Paper Industry; Plastic Industries; a Coating for Welding Rod, Sodium Hexametaphosphate (Food Grade) , as Water Softener for Boiler Water and Industrial Water, SHMP Sodium Hexametaphosphate, 68%, 65%, 60%, Factory Price, Water Softening Agent in Solution for Printing, Dyeing, and Boiler and so on.

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Supplier Homepage Product Natrual Stone Wollastonite /Grammite /Vilnite /Gillebackite /Aedelforsitefor Rubber and Paper Industry; Plastic Industries; a Coating for Welding Rod

Wollastonite /Grammite /Vilnite /Gillebackite /Aedelforsitefor Rubber and Paper Industry; Plastic Industries; a Coating for Welding Rod

FOB Price: US $200-500 / Ton
Min. Order: 25 Tons
Min. Order FOB Price
25 Tons US $200-500/ Ton
Get Latest Price
Port: Dalian, China
Production Capacity: 3000tons/Month
Payment Terms: L/C, T/T, Western Union, Money Gram

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Basic Info
  • Model NO.: SiO2 45-55%
  • Purity: 50%~80%
  • Appearance: Powder
  • CAS No.: 1344-95-2, 10101-39-0
  • Transport Package: Plastic Bag
  • Origin: Shandong
  • Certification: CIQ, ISO
  • Type: Wollastonite,
  • Grade Standard: Industrial Grade
  • Trademark: LY
  • Specification: SiO2 45-55%
  • 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
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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
ItermResult
Powder Size (mesh)80-2000
Ratio of length to diameter(L/D)8-25 8-25
absorption oil value  (g/100g)20-26
Whiteness(%)76-89
Refraction(%)1.63
Density(g/cm3)2.95
Expantion coefficient(mm//mmºC)6.5×10-6
Melting point( ºC )1450
Hardness(Moh's)4.5-5
Sedimentation value(ml/200m) 40-90

3.Main applications of wollastonite
 MetallurgyFriction material
WeldingConstruction
CeramicsRubber
 PaintsPlastic
 CoatingElectronics
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