Machine Design

Injectable Plastic Can Replace Lead

Gravi-Tech polymer-metal composites are thermoplastic-based alternatives to lead and other traditional metals.

The compounds use a variety of metallic fillers to replicate densities of traditional metals. The materials are easily used with conventional molding and extruding equipment. Custom formulations can be developed for a wide range of parameters such as density up to 11 gm/cm3. In addition, substituting polymer-metal composites for lead in radiation shielding avoids regulatory, disposal, and employee-exposure issues associated with lead. The material is manufactured in North America but can be purchased from any company sales office throughout the world.

PolyOne Corp.
33587 Walker Rd.
Avon Lake, OH 44012
(440) 930-1000
polyone.com

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