Composition Materials has been supplying industries worldwide for over 95 years with all-natural bio-based fillers and recycled aggregates. Our innovative eco-friendly granules and powders include ground walnut shells, apricot shells, pecan shells, corn cob, rice hulls and wood flours. In addition, we manufacture light-weight recycled plastic granulars and flours widely used as additives in flooring. These unique materials are used to help strengthen adhesion, decrease weight, increase flexibility or rigidity, enhance appearance or for texture and non-slip surfacing. Non-Skid/Anti-Slip products can be mixed into paints & coatings as well as broadcasted. Contact us for assistance with product selection, samples and information. Filler/Extender Selection.