Composites World / NetComposites

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NetComposites Ltd has transferred the rights and ownership of this website to Gardner Business Media Inc.

On 1st January 2020, NetComposites' media assets including, newsletters and conferences were transferred to Composites World (Gardner Business Media).

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For further details see our joint press release.


A material which, when mixed with a catalyzed resin, will speedup the chemical reaction between the catalyst and resin; either in polymerizing of resins or vulcanization of rubbers. Also known as ‘promoter’. Examples are diethylaniline, cobalt naphthana and cobalt octoate.