... saturated polyesters 4.curing agent 5.dyes printing ink Trimelltic Anhydride(TMA)is used as a raw material for polyester resin ... heatproof and insulating,adhesive,surfactant,paint,synthesize dyematerials etc. Trimellitic anhydride is used as an embossing agent for vinyl flooring and ... weight:192.12Appearance:white to off-white flakesMajor Index:1)Anhydride content:≥97.52)Melting point:163-165°C3)Color, ...