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UV-3638, 2,2'-Benzene-1,4-diylbis(4H-3,1-benzoxazin-4-o, Cyasorb UV-3638 98% min CAS No:18600-59-4 High Quality Prompt Delivery Free Sample Production Information Eusorb UV-3638 Chemical Name 2, 2-(1, 4-Phenylene)bis[4H-3, 1-Benzoxazin-4-one] CAS No. 18600-59-4 Molecular Weight 369 Appearance White to off-white crystalline powder Assay: 98%min Melting Point 310 ° C min. Loss on Drying 0.5% max. Ash Content 0.1% max. Sodium Content < 500 ppm Package 20 Kgs net/fiber drum or carton box Uses Highly efficient UV absorber for engineering plastics, especially for PET, PBT. Eusorb UV-3638 is highly efficient UV absorber for engineering plastics, especially for PET, PBT. Our Advantages: I). We have abundant professional production experience. II). We have our own chemical factory. III). Sample is free of charge. IV). Reasonable Price, Excellent Quality & Attentive Service V). Prompt reply: we can reply your inquiry and email within 24 hours. VI). Fast Delivery: The delivery time is about 10-20 days after receiving the deposit. VII). We have passed the LFGB, SGS, STC, HSL and some other tests. VIII). We have a unity cooperation team.
