BYK 2513 Fineness gauge PB-20

Fineness of Grinding Gauge PD-2513 is German BYK Fineness of Grinding Gauge PB-20, PD-2513 is the use of mils as the scale unit, Fineness of Grinding Gauge PD-2513 fineness range of 0~20mils, used in electronic paste, latex paint, Resin powder, paper, plastic and other fields......