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  Suppliers of Additives
  *Entries with asterisks specialize in natural fiber thermoplastic composite additives      
Organization Name Location Products/Description
Acme-Hardesty Co. Blue Bell, PA Plastics - Additives & Lubricants
Americhem, Inc.* Cuyahoga Falls, OH Manufacturer of custom color concentrates, additive concentrates, and specialty dispersions for the plastics industry.
Baerlocher USA* Cincinnati, OH Lubricants and processing aids for WPC industry
Emery Oleochemicals Malaysia Renewable plastic additives
Struktol Company of America Ohio, USA Additives for injection molding and extrusion
Carolina Color Corporation Salisbury, NC High performance color concentrates custom color match services for the plastics industry.
Clariant Masterbatches Division* Winchester, VA Formulated for WPC products: color, flame retardants, antistatic agents, antimicrobials
Cognis Corporation* Westlake, OH Compounding and processing additives for WPC: dispersing aids, wetting agent, lubricants
Color Master, Inc. Avilla, IN Color concentrates for plastics, including polypropylene, polystyrene, polyethylene, ABS and PVC.
Colorco – Colorflo Linden, NJ Custom formulating dry color and color concentrate for all plastic resins, suitable for all molding techniques.
ColorMatrixGroup Worldwide Liquid colorant and additive technologies for the plastics industry.
Colors for Plastics, Inc. Elk Grove Village, IL Supplier of dry color, liquid color, color concentrates, roto mold compounds, pre-color compounds, pre-blend, additives for PS, PE, PP, ABS, Acrylic, Butyrate Celcon, Delrin, Dylark, K-Resin, Nylon, PET, PVC, TPE and TPR/Santoprene
Crompton Corporation* Middlebury, CT Processing Additives for WPC: lubricants, coupling agents, foaming agents, antioxidants
Cytec Industries* San Diego, CA Light stabilizers, light absorbers, antioxidants, antistatic agents
Dover Chemical Corp. Dover, OH Lubricants, Coupling Agents, and Flame Retardants
Eastman Chemical Company* Kingsport, TN Coupling agents for WPC
ECM Plastics* Worcester, MA Custom color matching and specialty additive formulations.
Equistar Chemicals LP* Houston, TX Integrate™ coupling agents for wood/polyolefin composites
ExxonMobil Chemical Co.* Houston, TX  Exxelor CMP coupling agents for polyethylene- and polypropylene-woodfiber composites
Ferro Corporation* Independence, OH Lubricants and performance additives
Holland Color Americas, Inc.* Richmond, IN Colorants and additives
Honeywell, Specialty Additives* Morristown, NJ A-C OptiPak lubricant and processing additives for compounding and extrusion of natural fiber-plastic composites
International Specialty Products* Wayne, NJ  FUNGITROL to prevent microbial-based degradation in WPC
Elkhart, IN Color concentrates and engineered blowing agents
Laudadio Polymers  Inc Corpus Christi, TX; Houston, TX Color concentrates and polymer additives.
Lion Polymers Houston, TX Color concentrates and polymer additives.
Lonza Inc.* Fair Lawn, NJ ACRAWAX C Lubricant for WPC
Luzenac America, Inc.* Centennial, CO  Talc products for WPC
Maroon Inc.
Avon, OH Specialty raw materials and packaging
Mayzo Inc Norcross, GA Antioxidants, thermal stabilizers, and UV stabilizers
National Plastics Color, Inc. Valley Center, KS  Colorants and additives including plasticized concentrates, liquid colors, and dry colors.
Norquay Technology Inc. Chester, PA  UV light stabilizers used extensively in plastics, cosmetics and films.
O'Neil Color & Compounding Corp. Garfield, NJ Color concentrates, additive master batches, and custom compounds
Penn Color
Doylestown, PA Color concentrates and pigment dispersions
Penofin* Ukiah, CA  Knotwood composite wood deck finish 
Plasmec Italy Plastic and powder coating mixing technology
Plasticolors  Ashtabula, OH  Supplier of advanced colorants and chemical dispersions for the thermoset plastics and paint & coatings industries.
Plasticoncentrates, Inc.  Philadelphia, PA  Manufacturer of plastic color & additive concentrates. Color technology required to color high temperature engineering plastics and thermoplastics elastomers without sacrificing the integrity, or the performance characteristics of the plastics.
Plastics Color Corporation, Inc. Dayville, CT; Calumet City, IL; Asheboro, NC; Caguas, PR Additives, multifunctional concentrates, dry colors, liquid colors, specialty and toll compounds.
Riverdale Color Perth Amboy, NJ Liquid color and additive dispersions for the plastics Industry.
Rockwood Specialties Princeton, NJ Additives
Standridge Color 
Social Circle, GA Colorants, color concentrates, color compounds
Struktol Company of America* Stow, OH Lubricating and processing characteristics for WPC
Techmer PM Rancho Dominguez, CA; Clinton, TN; Gainesville, GA; Wichita KS Designer and producer of color and additive concentrates. 
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