紫外线吸收剂-盛世棋牌ll

products application

specification

trade name
synsorb-234
cas no
70321-86-7
chemical name
2-[2'-hydroxy-3', 5'-bis-dimethyl benzyl]-phenyl]benzotriazole
molecular formula
c22h29n3o
molecular weight
447.58
specification

appearance : light yellow powder

melting point  : 139 ~ 141℃


application

synsorb-234 is highly effective for polymers usually processed at high temperatures such as polycarbonate, polyesters, polyacetal, polyamides, polyhenylene sulfide, polyphenylene oxide, aromatic copolymers, thermoplastic polyurethane and polyurethane fibers, where loss of uva is not tolerated as well as for polyvinylchloride, styrene homo- and copolymers. applications include molded articles, film, sheets and fibers. the use levels of synsorb-234 range between 0.15 and 0.60%, depending on substrate and performance requirements of the final application.

package
25kg/box


在线留言