As a result of the manufacturing process (Laux-process), which includes a high temperature calcining step, Bayferrox® 140 M has a higher intrinsic hardness than other precipitated pigments as well as outstanding heat stability. It is very resistant to color change during high energy dispersion processes and has excellent dispersibility.
LANXESS is a leading specialty chemicals company. The core business of LANXESS is the development, manufacturing and marketing of plastics, rubber, intermediates and specialty chemicals.
Bayferrox® 306 is an iron oxide black powder pigment.