Jeff Elster

Selecting Fillers for Manufacturing

Since 1923, Composition Materials has supplied industries worldwide with specialty fillers, additives, flours, powders and texture enhancers. Our wide range of fillers and additives can be used to increase or decrease weight, volume, specific gravity, moisture and absorbency; enhance strength or adhesion; introduce texture, non-skid or anti-slip properties; add color or clear properties. We offer advanced technical support to carefully determine the additive and filler that will best accomplish the end goals. We offer a full line of environmentally friendly products from natural and recycled sources. Commonly used grits and flours consist of natural byproducts including walnut shells, apricot pit […]

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Walnut Shell Non-Skid

Walnut Shell Grit is easily added to paint, mixed-in and applied to surfaces  to create a non-skid / anti-slip coating. Select the Walnut Shell grade for coarse, medium or fine texture. Walnut Shell abrasives stay in suspension in most paints, for easy mix-in applications. Composition Materials has supplied Walnut Shell Abrasives for over 60 years. We supply a full line of Non-Skid Media.

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Abrasive Blasting Overview

Abrasive blasting methods have been in use for over a hundred years.  Industries have employed air-blast, wheel-blast and other methods to propel abrasive blasting media for use in paint stripping, coatings removal, strengthening surfaces, preparing surfaces for coatings, blast cleaning, mold cleaning and deflashing. The development of these methods over the years introduced a wide range of abrasive blasting media types to maximize efficiency of surface cleaning and preparation. Common abrasive blast media include aluminum oxide and glass beads.  In addition to these hard and aggressive media types, we offer a number of soft abrasives that do not damage plastics,

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Plastic Blast Media: Powder Coating Removal

An effective method of stripping all metal types, Plastic Media Blasting removes all or a portion of a cured powder coating from the surface of a part without causing damage. This article compares Plastic Media Blasting with several other stripping methods for powder coating, environmental considerations, as well as blasting equipment and costs. Powder coatings produce highly durable finishes, but can be difficult to remove when parts need to be recoated. Several stripping methods include molten salt, burn-off oven or glass bead blasting. With these methods, many substrates are unable to survive the coatings removal process without damage. The alternative

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Aviation Paint Removal & Aircraft Maintenance

Composition Materials Plasti-Grit® Plastic Blast Media is a preferred media for safely removing paint from commercial & military airplanes and jets, and in aircraft maintenance operations worldwide. Plastic Media Type V Acrylic is used on aluminum & composite aircraft skins, as well as for blasting delicate parts. Plastic Media Type II Urea is used on harder aluminum aircraft parts and landing gear. Type VI Clear-Cut is effective on aluminum and composites. For over 30 years, Composition Materials has manufactured Acrylic , Urea & Clear-Cut Plastic Blast Media that meets the Military specification requirements for MIL-P-85891A, approved for use by the

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Tumbling & Finishing With Corn Cob Grit & Walnut Shells

Corn Cob Grit is highly absorbent and effectively removes oils and dirt from brass, bronze and other metal parts in tumbling, vibratory finishing and polishing operations. Corn Cob media is organic, biodegradable and can be re-used. Walnut Shell Grit is a long lasting tumbling and vibratory finishing media, great for cleaning & polishing brass & bronze; and, it is also biodegradable. Both Corn Cob & Walnut Shell grits can be mixed with finishing creams for burnishing, polishing and buffing.

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