By Administrator Posted January 30, 2010 In Printed Circuit Board Fabrication Products, Printed Circuit Board Fabrication, RD Chemical 0 Tin & Solder Strippers ChemStrip (NXT RD-30) Single step nitric base, fast, complete, long lived. Non-sludging, non-chelated. ChemStrip TL (RD-52)Inhibited peroxide based, for tip stripping. Very fast.