How to clean the epoxy floor paint when it has bubbles?

How to clean the epoxy floor paint when it has bubbles

Concrete sealing hardener

Bubbles and pinholes on epoxy floor paint are common surface defects of paint film, which are common in solvent-based and non-solvent-based epoxy resin systems. Due to the existence of microbubbles, small bubbles and pinholes appear.In the water-based coating system, the foam is in the state of giant bubble and micro bubble.Due to the different methods of eliminating microbubbles and macrobubbles, the corresponding auxiliaries need to be used separately.

In solvent and non-solvent epoxy resin systems, the presence of air is the main cause of pinhole, which is the micro-pores produced when small bubbles escape during the drying process of the paint film.In the drying process, due to the increase of paint viscosity, the pores of the fine pipe will not close, and eventually retained in the dry film.

Therefore, only when there is no residual air or pinhole on the surface of the epoxy floor paint film, can the coating play a decorative effect and protective role.To achieve these effects, the simple method is to choose a good construction method and reduce the amount of air entering, but in fact, the construction method is mostly determined by the actual application conditions, the role of this method is limited.

There is also a possibility that the epoxy floor paint can be reduced or eliminated by adjusting the coating formula.In particular, the problem of foam can be significantly reduced by choosing low foaming raw materials or adjusting viscosity, but this method is often limited by the predetermined performance index of the coating and the coating specification at the time of construction.

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