Epoxy putty stick is FASTFIX's first developed item and popular product, we have sold the item for more than 25 years. However, we have still improved or adjusted the formulation of the item continuously to meet customers' requests.
For example: Shelf life is 24 months at least and it is workable underwater and NSF approved, faster or slower curing time...etc.
Recently, we just have new improvement for formulation. Please watch this video : It is no sticky and minimal residu