NEW Mercury Adhesives FLEX CA is very popular with Pen turners for finishing. It's bond time is extremely fast. The flex nature allows for it to resist cracking when temperature or humidity changes. Mercury M300FM Medium FLEX is a medium viscosity cyanoacrylate and was developed for demanding applications. It has excellent adhesion and cure speed.
Mercury adhesives provides an unconditional/unlimited guarantee on all newly purchased CA. If it hardens, they will replace it. Made in the USA.