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Photo-initiators

No. Product CAS No. Application
TR-0001AG TR-PI1173
2-Hydroxy-2-methyl-phenyl-propane-1-one
7473-98-5 It can be used in acrylic UV-curing varnish systems, such as wood, metal, paper, plastic and other varnishes. It is particularly suitable for UV-curing coatings which require weather resistance and yellowing resistance. This product is liquid form and it is easy to mix with other light initiators.
TR-0002AG TR-PIITX
2-Isopropylthioxanthone
5495-84-1 It can be applied as the photo-initiator of transparent or colored UV curing inks, adhesives, painting. 
TR-0003AG TR-PITPO
2,4,6-Trimethylbenzoyldiphenylphosphine oxide
75980-60-8 TR-PITPO has a wide absorption wavelength range with an effective absorption peak at 350 to 420 nm. After light irradiation, it can generate two free radicals, benzamidine and phosphino, which can initiate polymerization. Thus, the photo-curing speed is fast and it is suitable for UV-curable coatings and printing inks.
TR-0004AG TR-PIBMS
4-Benzoyl-4'-methyl diphenyl sulphide
83846-85-9 TR-PIBMS has good solubility in organic solvents and monomers. The absorption peaks of TR-PIBMS is about 245 nm and 315 nm. Once film is formed, the appearance is slightly yellow. It can be used with general photoinitiators, and is often used in printing inks, wood paints, and metal paints.
TR-0005AG TR-PIMBP
4-Methylbenzophenone
134-85-0 TR-PIMBP is a low-odor UV initiator and it is suitable for various UV curing systems.