Permanent Yellow GR for Plastic, under the same specific surface area and particle size, the strength is 25% higher; ball milling is not easy to recrystallize, and the light fastness to the same depth is 1-2 grades higher than pigment yellow 12.
https://www.durbuychemical.com/organic-pigment/permanent-yellow-gr/permanent-yellow-gr-for-plastic.html