Definitions for "Hardener"
The curing agent of a two-part synthetic resin, adhesive, or similar coating. See curing.
A chemical added to a thermosetting resin to assist its cure.
a substance added to a fixer (or sometimes a stop bath) to make the material tougher, or harder
Keywords:  kovete, garva, gravure, gel, etching
Kovete Garva When etching the printing form for gravure printing, you use a light-sensitive gel that is hardened by exposing it to light.
Keywords:  gypsum, see
see gypsum hardener
Keywords:  tempers, tools, specif, one
One who, or that which, hardens; specif., one who tempers tools.