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Machine Design

Thermoplastic Powder Coating

Raprex 400 are modified linear low-density polyethylene (LLDPE) and high-density polyethylene (HDPE) powders that adhere well

to steel (in excess of 6.5 N/mm) as well as aluminum, copper, and other metals using standard powder-coating techniques. The coatings require no substrate pretreatment and provide good corrosion and abrasion resistance. In steel-pipe applications, pipes can be simultaneously coated inside and out in a fluidized bed at surface temperatures of 240°C (464°F). Other potential substrates for the coating include wood, concrete, and other polar plastics.

Sterigenics International Inc.,
7695 Formula Place, San Diego, CA 92121,
(858) 271-6330,

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