Wednesday, August 30, 2017

How to Choose Violet Pigment for Plastic ?

here are total 4 violet pigments suited for plastics,key features of these plastic violet pigments as below,
Pigment Violet 23 is of  Extremely High tinting strength,High gloss,Pure blue shade violet,Good light and weather fastness,Average immigration resistance
Pigment Violet 37 is of Redder than PV23,Lower tinting strength,Other properties better than PV 23,PV37 shows Better immigration resistance,better heat resistance than PV23
Pigment Violet 19 β is of Good properties even in low concentration,Low tinting strength.it is More redder,Better properties
Pigment Violet 29 is of High tinting strength,High transparency,Good weather fastness
all these 5 plastic middle shade yellow pigment technical position as below





Here we use pigment violet 23 as the standard violet pigment for plastic, with commercial success to make it cost reasonable, it is the first choice of violet pigments, if pigment violet 23 not able to meet user requirement in light color, pigment violet 37 is an option. 

If user need higher heat resistance and better weather fastness, could choose pigment violet 19 β form,meanwhile shall pay attention to it's low tinting strength,red shade and cost increase.

Pigment violet 29 exhibits better all around properties while price is also higher