The Phenolic Resinmay be considered to be the first polymeric products produced commercially from simple compounds of low molecular weight, i.e they were the first truly synthetic resin to be exploited.
Phenolic resin has low toxicity. The phenolic resin contain basically p-t-amylphenol, p-t-butylphenol, p-nonylphenol, mixed cresols, and also used cashew nutshell liquid.