Polyester resin DION® 640-590
epoxyfor resin transfer molding (RTM)water-resistant

polyester resin
polyester resin
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polyester, epoxy
for resin transfer molding (RTM)
Other characteristics
water-resistant, chemical-resistant


DION® 640-590 is non-thixotropic and pre-accelerated high reactivity polyester resin suited for applications like Centrifugal Casting, Filament Winding, Resin Infusion, RTM etc. The resin is formulated to resist water, oil and oil‑related products, and is approved for underground fuel storage tanks. Features Good chemical resistance High crosslink density High heat distortion temperature Approval / testing Benefits Resistant to acids, salts and solvents Good resistance in polar solvents Minimized laminate swelling in solvents Excellent retention of mechanical properties at high temperatures Meets EN 976 and NS 1545 requirements for petrol with 15% methanol


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