Material Notes:
DescriptionPOLYBLAK® Black 4669 is a premium conductive carbon black concentrate containing 35% carbon black based in LLDPE. This carbon black masterbatch is designed to provide smooth extruded surfaces and exceptionally long screen pack life. POLYBLAK® Black 4669 is formulated for use in durable high density polyethylene applications such as pipe and geomembranes. POLYBLAK® 4669 is typically recommended for use at addition levels between 5.7 and 7.1%.Information provided by A. Schulman.