国产porn在线,亚洲综合激情五月,外国电影未删减大尺度片段,久久网亚洲,情事电影在线观看完整版,电影黑吃黑免费完整版在线观看,精品中文字幕一区二区

UV Absorber 234

Chemical Name2-(2H-benzotriazol-2-hydroxy)-4,6-bis(1-methyl-1-phenylethyl)phenol
CAS No.70321-86-7
Molecular Weight448
Chemical Formula
AppearanceLight yellow powder or granular
Melting Point137-141℃
CharacterizationUV-234 exhibits strong ultraviolet absorption within the 300–400 nm range while demonstrating minimal absorption in the visible light spectrum. This property makes it particularly suitable for use in homopolymers and copolymers.
It is highly recommended for high surface-area applications, such as films and fibers. The product shows excellent compatibility with a variety of polymers and performs effectively when combined with hindered amine light stabilizers (HALS) and most antioxidants. Furthermore, it maintains low volatility even under high-temperature processing conditions.
UV-234 is approved for food-contact applications, complying with relevant international safety standards.
ApplicationsPC,POM,PA,PU,PS,PMMA,Polyester,Coating,PET,PBT

Keywords： UV Absorber 234

Product Inquiry

If you are interested in our services, please fill out the form below and we will contact you as soon as possible.