YISTAB UV-571 is a liquid benzotriazole ultraviolet absorber. It can absorb the UV band range 300400nm. It has high compatibility, low volatility and high absorptivity to various polymers. YISTAB UV-571 can be applied in thermoplastic PUR coating and integral foams, rigid and plasticized PVC, PVB, PMMA, EVA, hot cured unsaturated polyesters and spin finishes for PA, PET and PP fibers. It's also suitable for latex,wax, adhesives, styrene polymer, elastomer and polyolefins.