Jeff Elster

Development of Plasti-Grit® Plastic Blast Media

This article was originally published in November, 1987 in Aviation Ground Equipment Market.  The article provides an historic overview of the development of Plasti-Grit® plastic blast media. No question about it — chemical stripping is dangerous and dirty.  And the EPA and OSHA do not like it. So — after decades of costly, inefficient and certifiably treacherous wet stripping of aircraft, the US government is launching an initiative to deal with the triple threat of health hazards, air pollution and toxic waste.  Naval bases as well as private companies have been advised to look for a better way to remove contaminants such […]

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Blast Cleaning Brick

Cleaning an old brick building of accumulated soot and grime, this video highlights abrasive media blasting. Each blasting operation is unique and requires blast parameters suited for maximum efficiency without damaging surfaces or substrates. Parameters include media type and size, blast pressure and nozzle distance. Cleaning an entire building efficiently requires careful planning to achieve maximum results. Selecting the most effective blast media is critical to overall performance without harming the brick or mortar. Contact us at (800) 262-7763 for assistance with media selection.

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Corn Cob Log Home

Corn Cob blasting removes old stain and paint when restoring log homes. Corn Cob is an all-natural and biodegradable soft abrasive with excellent performance on stripping wood and preparing the surface for new stain and preservative. This video of corn cob blasting in action shows log home restoration highlights.

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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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Quick Links

Plastic Media

Type II Urea

Type III Melamine

Type IV Clear-Cut®

Type V Acrylic

Type I Polyester

Bio Fillers

Walnut Shell

Apricot Shell

Pecan Shell

Corn Cob

Rice Shells

Recycled Filler

Clear-Cut®

Urea

Melamine

Non-Skid

Skid

Cosmetics

Walnut Shell

Apricot Shell

Tagua White

Almond Shell

Almond Meal

Deflashing Media

Cryogenic Deflashing

Polycarbonate Pellets

Nylon Pellets

Melamine Media

Walnut Shell Grit

Deburring Media

Abrasive BLASTING

Aluminum Oxide

Steel Shot

Steel Grit

Glass Beads

Silicone Carbide

White Aluminum Oxide

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