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Home  > Forum  > Coatings & raw material failures  > Water spotting

Monday, 17 June 2019

Water spotting

1 Post

Monday 11 August 2008 1:00:00 am

I am looking to resolve the problem of waterspotting with waterbased PUD coating. Any advice gratefully received.
Regards,

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Monday 01 September 2008 1:00:00 am

There are many reasons for water
spotting-wrong resin-uncrosslinked resin(add 0.75% Ancamine K54-then stir in 3% Coatosil 1770-this dramatically
improves spotting-dont use APE surfactants-use wax coated flatting agents such as DEGUSSA
OK607 with Aerosil R-972 to stophard setting vs.settling.
MOB= 61 42 821 6856

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