1) Light fastness assessments:
a) Against 8-step blue scale: the eighth step is the best
b) Against 5-step grey scale: the fifth step is the best
a) Used for the pigment printing, extensively varnishing, colorful
pigment of printing ink and painting
b) Also used for stationery, rubber and plastic production
Inner packing: 25kg/bag, wrapped and shrinked with pallets
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