Isophthalic polyester resin DION® 250-410

compositechemical-resistantwater-resistant

DION® 250-410 is a medium reactive polyester resin based on isophthalic acid and neopenthylglycol. DION® 250-410 has excellent hydrolytic stability and very good chemical resistance. The resin is non-accelerated and highly thixotropic and is especially designed for relining/CIPP applications. DION® 250-410 is especially formulated to resist water, salts oil and diluted acids, and is suited for rehabilitation of sewage pipes. The resin may be used with fillers as ATH and CaCO3. Features Excellent hydrolytic stability Chemical resistance Approvals High batch to batch constancy Benefits Very low water absorption Good resistance towards acidic environments as sewage, diluted organics and mineral acids Type 1140 resin according to DIN 16946/2 and is classified in Group 3 according to DIN 18820/1