PIGMENT(COLOURING PASTE) 12 COLOURS FOR CHOICE POLYESTER GLUE & EPOXY RESIN KEEP LON,EASY MATCHING, ... . Viscosity is same.) The colloid will not be changed and colours will remain for long time,and brightness of polished colloid ... ;4)It's colour will not be changed.5)Twelve colours for your choice: white,black,red,green,blue,golden-yellow ...