液體達(dá)因筆 美國(guó)產(chǎn)
The CON-TROL-CURE® Liquid Dyne Pen's spring-valve tip design keeps the pen's
applicator away from the dyne fluid storage to prevent contamination. Press the tip
firmly down to open the valve and flood the tip with fresh fluid. Available in sets of
8 pens from 30 to 44 dynes/cm (30, 32, 34, 36, 38, 40, 42, 44) and from 46 to 60
dynes/cm (46, 48, 50, 52, 54, 56, 58, 60); also available by special order at any
level from 30-70 dynes/cm.