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Is Alloy Primer necessary for pure gold, such as the Captek system?
Yes, we recommend the use of Alloy Primer on the pure gold surface to assure long term durability. Alloy Primer contains the adhesive monomer VBATDT (6-(N-(4-vinylbenzyl)propylamino)-1,3,5-triazine-2,4-dithione) which bonds chemically to precious metals. Alloy Primer is not necessary when cementing gold alloys with PANAVIA SA CEMENT due to the concentrated MDP in the cement paste.