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Our Βusinesses
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    Imerys Absorbents
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    Steel Casting Fluxes
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    Civil Engineering Additives
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    Metalcasting Additives
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    NYCO
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    Bentonite & Perlite Intermediates
Our Applications
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    Ceiling Tiles & Boards
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      Boards
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      Ceiling Tiles
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    Civil Engineering
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      Diaphragm/Slurry Wall
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      Horizontal Directional Drilling
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      Landfill and Sealing Liners
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      Pipe Jacking
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      Shield Tunnelling
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    Construction materials
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      Cement
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      Concrete
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      Plasters & Mortars
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    Food – Feed
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      Horticulture
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      Phosphates
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    Foundry
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      Core Sand Binders and Additives
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      Customer Support
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      Foundry Auxiliaries
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      Green Sand Additives
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      Technical Support
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    Glass & Ceramics
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      Ceramics
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    Adhesives and Sealants
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    Cryogenics
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    Elastomers
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    Friction
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    Ironmaking
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    Mold Fluxes Raw Materials
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    Oil & Gas Drilling
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    Oilfield, agricultural & other industrial applications
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    Paint and Coatings
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    Pet Litter
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    Plastics
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    Steelmaking
Our Natural Resources
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    Bentonite
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    Moler
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    Perlite
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    Pozzolan
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    Wollastonite
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    Zeolite
Our Industrial Solutions
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    ASPECT® – Chemically Modified/Untreated, Fine Particle Size, High Aspect Ratio Wollastonite
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    Bentonite Clumping Pet Litter
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    Blends
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    Casting Fluxes
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    Cement Stable Bentonite
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    Civil Engineering Flocculants
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    Construction Pozzolan
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    Construction Wollastonite
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    Core Sand Additives
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    Covering Materials
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    Drilling Bentonite
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    ENVIBOND® System
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    Green Molding Sand Expertise
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    HARRP – Coarse Grades of Untreated Wollastonite
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    HDD Bentonite
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    Horticultural Raw Perlite
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    Horticultural Zeolite
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    Inorganic Core Sand Binders
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    Iron Ore Pelletizing Bentonite
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    Laboratory Analysis
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    Lustrous Carbon Formers
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    Metallurgical Active Slags
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    Micrasil®
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    Mold Flux Feeders
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    Moulding Sand Binders
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    NYAD® – Untreated Wollastonite
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    NYGLOS® – Chemically Modified/Untreated Wollastonite
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    NYLITE™ – Wollastonite Blend and Additive
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    Oilfield, agricultural & other industrial products
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    Other Foundry Products
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    Phosphate Production Additive
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    PHYLLOCOAT™ – Chemically Modified Aluminosilicate (Experimental)
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    PHYLLOMAT™ – A Lamellar-Shaped Aluminosilicate
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    Pipe Jacking Bentonite
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    Raw Graded Perlite
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    RIKO®
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    Sealing Bentonite
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    Service Lab Analysis Database
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    Slag Binders
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    Slurry Wall Bentonite
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    Technical Support and Innovation
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    Tunneling Bentonite
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    ULTRAFIBE® – Chemically Modified/Untreated Wollastonite for Friction Materials
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    ULTRAFINE NYAD – Ultrafine Wollastonite, untreated
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    WOLLASTOCOAT® – Chemically Modified Wollastonite
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    Wollastonite 95 – special grades for ceramics applications
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    Zeolite Pet Litter

Adhesives and Sealants

200296869-001

Through our NYCO brand, Imerys is able to offer wollastonite in a range of particle sizes and aspect ratios as a highly effective functional filler in a variety of adhesive and sealant applications. Applications include structural, high temperature, pressure sensitive, hot melt, heat activated and UV curable adhesives and sealants.

Traditionally, the main reason for using fillers in adhesive and sealant formulations was to reduce costs. As the market’s demands on these applications have advanced, however, functional properties have increased in importance. Due to the chemistry and acicular structure of wollastonite, it has become a commercial mineral reinforcement in these applications, providing improved mechanical properties, sag resistance, rheology, cold temperature crack resistance and tensile strength.

The selection of the right product is dependent on the type of adhesive and sealant being produced, the desired performance criteria, and, if replacing an existing filler, the particle size and attributes of that filler. Through our long experience and expertise, we are able to offer a range of products for a variety of customer needs, from high brightness grades for wet-room sealants to fine and coarse powder grades for tile adhesives and grouts to chemically modified high-aspect-ratio grades for moisture sensitive systems and applications requiring excellent peel strength performance.

Most of our wollastonite grades are available in chemically modified formulations to enhance mechanical properties and dispersion if required. New product developments include wollastonite grades with very low moisture content and uptake designed specifically for reactive adhesives and sealants based on a range of polymer systems. In addition, the recent introduction of platy alluminosilicate Phyllomat F and surface treated Phyllocoat have increased the pallet of options for optimal properties, offering sufficient mechanical characteristics so as to maintain adhesive strength to the substrate during service life, as well as to provide enhanced barrier effects.

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Wollastonite@imerys.com