1:Weigh amount of pigment chips necessary to provide given pigment strength in final ink and grind to small pieces .
2:Weigh NC varnish(if necessary to add NC to adjust viscosity) . Solvent and additives in a container .
3:Use a high speed stirrer(500 rpm) with speed regulator and a saw tooth stirrer .
4:Stir item 2 to uniform and raise speed to 50% of full .
5:Start adding chips slowly at a constant stirring speed .
6:When chips adding is complete , increase speed to nearly full . Taking care for spillage . Clamp or hold the container while mixing run for 25 minutes .
7:As the chips dissolved and viscosity increase , speed and blade heigh should be adjusted to keep good Movement in the vessel .
8:Make up for lost solvent and stir well .
9:When a semi-fluid paste appears , the stirrer should be stopped and the vessel scarped carefully for undissolved pigment chips .
10:After all the chips have been dissolved , let down with the surplus of solvent under good agitation and Run 5-10 minutes for full mixing .
For furthe information and service , please contacting following person . |
