An alloy containing at least some aluminum and one or more added elements for use in making alloying additions to molten aluminum Also referred to as "Master Alloy" or "Rich Alloy"
A substance used to promote or control curing action by taking part in it; as opposed to catalyst
Chemical added to plastic filler to induce hardening as used in auto body repair
Chemical used at the fixing stage to toughen the film's emulsion and make it more resistant to scratches