Product Overview Polyetheramine D-230 is a diamine-terminated polypropylene glycol (PPG) belonging to our core Polyether Amine D Series. It is a versatile epoxy curing agent and hardener engineered for adhesives, coatings, and composite applications. With its low viscosity, low chroma, and low vapor pressure, D-230 delivers improved flexibility and increased peel strength in cured epoxy systems. Key Specifications Product Name Epoxy Hardener Polyetheramine D-230 CAS No. 9046