Irgacure® 1800

Irgacure® 1800 by BASF is a solid photoinitiator for radical polymerisation of unsaturated resins after UV light exposure. It is mixture of 25 % bis(2,6-dimethoxybenzoyl)-2,4,4-trimethyl-pentylphosphineoxide and 75 % 1-hydroxy-cyclohexyl-phenyl-ketone (IRGACURE ® 184). Especially suited for white pigmented formulations and for curing thick sections. May be used, after adequate testing, in UV curable formulations for clear and for pigmented coatings on wood, metal, plastic, paper and optical fibers. Exhibits outstanding curing performance in highly opaque white furniture coatings containing rutile titanium dioxide and affords minimum yellowing after exposure to sufficient amounts of UV radiation. Enhanced photosensitivity at longer wavelengths. Irgacure® 1800 can easily be used in combinations with UV absorbers. Suited for use in weather-resistant UV curable coatings.