Once again, primer can have differing environmental requirements to some foundation coat. Best coat (e.g. polyurethane) is usually different in its environmental sensitivities to foundation coat. Apart from temperature things to consider, a normal guideline is always that you mustn't apply Epoxy Resin Ground Paint When the humidity is greater than 85% or the temperature is fewer https://www.propanraya.com/id/produk/epoxy-fast-dry