plastics main

By: Nyco  09-12-2011
Keywords: Chemical Purity

Our wollastonite’s reinforcing needle-like structure, its low hydroabsorptivity, thermal stability and conductivity, low resin demand and chemical purity make it an ideal additive to polymer formulations. It is used in an array of thermoset, thermoplastic and elastomeric applications including:

  • nylon 6 and 66/high temperature PA compounds
  • PP/CTPO/HDPE
  • polyurethane
  • LCP/PBT/PET
  • elastomers

NYCO’s suite of chemically surface modified products meets the demand for improved composite properties. Coupling agents like organo silanes and other additives used with our wollastonite improves the interface between the filler/reinforcement and the polymer. Benefits of Wollastonite in Plastics Whether you’re designing a new composite, or updating an existing formulation, NYCO’s wollastonite products offer a significant advantage over other fillers and reinforcements.

Our wollastonite:

  • improves dimensional stability
  • increases flexural modulus
  • improves heat distortion temperature
  • improves strength and stiffness properties
  • improves mar, scratch and gouge resistance
  • reduces shrinkage
  • has a lower coefficient of linear thermal expansion (CLTE) – no gap
  • offers heat sag resistance and improved heat aging
  • is e-coat compatible with a Class A surface appearance
  • provides excellent balance in impact and stiffness
  • offers knit line reduction

And when compared to other fillers and reinforcements, our products also yield:

  • cost savings
  • higher loadings
  • improved product flow, faster mould cycles
  • product uniformity
  • lower initial viscosity
  • scrap reduction

Keywords: Chemical Purity

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friction main

Whether used as a reinforcing additive or as partial/full replacement of asbestos, synthetic materials and chopped or milled glass fibres, our wollastonite can be found in a variety of applications. Our products are commonly used as reinforcing fibres and fillers in friction formulations. NYCO's wollastonite is the next generation of engineered fibres for friction materials.


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ceramics main

Wollastonite's unique chemical purity and acicularity make it ideally suited to ceramic applications where shrinkage reduction, increased firing strength, gloss improvement and/or reduced surface defects in glazes is required. Structural zirconia and alumina substrates. Benefits of Wollastonite in Ceramics.


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products main

Whether you're sourcing wollastonite for a new or existing product, our over 50 years of experience in wollastonite is sure to help. At NYCO, we're using this knowledge to continually uncover the potential of this amazing mineral in a world of applications. Place a Request for a technical data sheet, product samples or a price quote by submitting an online form.