In winter, the temperature is relatively low, and epoxy paint may encounter some problems in low temperature construction. The following takes epoxy floor paint as an example to talk about the problems encountered in epoxy floor paint in low temperature construction.
Epoxy floor paint is a wear-resistant, full-color, and tough floor coating. It has the advantages of no joints, solid texture, anticorrosion, dustproof, convenient maintenance, and low maintenance costs.
Various schemes can be designed according to different usage requirements. Such as thin layer coating, 1-5mm thick self-leveling ground, non-slip and wear-resistant coating, mortar-type coating, anti-corrosion coating, etc.
The curing of epoxy floor paint coatings at low temperatures will be limited. In winter when the temperature is low, the curing will be slow or not dry. For this problem, in the production of materials, some adjustments can be made in the choice and use of raw materials, catalysts and additives, which can solve the problem of epoxy floor paint not curing at low temperatures in winter.
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Do not use commonly used polyamide curing agents, but use epoxy resin products that can be cured at low temperatures in winter. For example, some amine adduct curing agents can be applied and cured at -5°C, polyisocyanate epoxy resin coatings can be applied and cured at -10°C, and some epoxy resin coatings can be cured at -17 when accelerators are added during construction.
However, for these durable floor paint products that can be cured in winter, it takes a relatively long time to fully cure. The addition of appropriate accelerators and the reaction temperature are conducive to the progress of the reaction and can shorten the production cycle. However, adding too much accelerator can also cause the paint film to become brittle, so be careful when using it.