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 HC - Heavy Density Criss
Cross
Foam Pig Guide
Description: 8-pound-per-cubic-foot density bullet shaped foam cylinder with 90 Shore A durometer urethane coating in double-spiral configuration.
Design Function: Heavy wiping, drying, and first stages of progressive cleaning. Long runs should be kept less than 25 miles, although, under ideal conditions, the standard pattern may be run up to 200 miles.
Alternate Function: Many times used in lieu of carbide or wire brush when there is danger of damaging the interior of the pipe (fiberglass, PVC, epoxy lines, etc.).
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