31370956phenolicPT2026-03-30 20:40:02UF31370957PHNDUF31370958phenol-formaldehyde resinNDUF31370959phenolic resinNDUF31370960phenolic resinsNDUF31370961resin, phenol-formaldehydeNDUF31370962resin, phenolicNDBT31340156thermosetPTNT31343636Bakelite (TM)PTNT31409878melamine phenolicPTNT31409880catalinPTNT31409881Opalon (TM)PT