Epoxy Floor Blushing

More technically what you re dealing with is amine blushing.

Epoxy floor blushing.

Epoxy bonding surfaces must be free of any. Cause adhesion issues with your project. 2 days prior to application. This phenomenon is known to epoxy chemists as amine blush or amine bloom.

Blushing and blooming are chemical reactions 3 the chemical component of the epoxy binder system that causes the blushing or blooming is. Ambient cured epoxy sometimes appears sticky tacky and less glassy and smooth on the surface when compared to oven cured samples. Low molecular weight primary amines are typically hygroscopic and tend to react with atmospheric carbon dioxide and moisture to form an ammonium carbamate according to. Some amines are more prone to the problem than others and as a rule of thumb those that aren t soluble in water have less risk.

Traditional marine epoxy system. It can also hurt the physical performance properties of the epoxy. Note that we offer basic no blush marine epoxy with fast slow and regular curing agents and it also includes bubble breakers for a more perfect finish. To understand that you need to know a little bit about epoxy floors.

Mas traditional marine epoxy does blush when fully cured. Epoxy floors are cost effective over years of trouble free service provided a skilled applicator who is aware of common problems and makes sure to correctly prepare the surface applies them properly. The surface will have an oily greasy feeling to it. Delamination of epoxy flooring com pounds.

Blush and bloom can be removed but this will add time and costs to the c o a t i n g f looring job. As noted before amine blushing is the result of the amine in the epoxy hardener reacting with carbon dioxide and moisture. Non blushing marine epoxies do not require washing or sanding between epoxy coats or top coating with other paints. A cold surface can also.

How to avoid amine blushing. Make sure the floor is at least 60 degrees for a minimum of. The cause is most likely due to a side chemical reaction of moisture humidity in the air interacting with a curing agent. Aside from the fact that blushing mars the finish it also prevents an issue for any other application thereafter whether you are applying another layer of epoxy or some other type of finishing product.

This means non blushing epoxy requires no messy wash downs in between coats. Blushing floors have a kind of sickly yellowy colour to them certainly not the look you want on a newly installed floor. Blushing and in some cases blooming are chemical reactions 3 the chemical component of the epoxy binder system which causes the blushing or blooming is in the curing agent. But epoxy floors can be very expensive when an unskilled applicator leaves a finished product in a mess.

Jpcl december 2005 pce 41 what causes blushing and blooming. Floors that are 55 degrees or lower will greatly affect the drying time of the epoxy.