How to Specify Ultramarine Blue Pigment for Plastic Masterbatch
Ultramarine blue, also listed as Pigment Blue 29 or PB29, is an inorganic sodium aluminium silicate pigment that withstands processing temperatures of roughly 300 to 400 degrees Celsius, does not nucleate polyolefin crystallisation, and therefore colours polypropylene and polyethylene without introducing warpage. It carries no heavy metals, does not migrate, and delivers a clean reddish […]