Monday, April 12, 2010

Temperature Affects Curing Time



The ideal temperature of a working environment that involves putting down epoxy paint as a concrete floor coating should be warm. Warm temperature helps speeds up the curing process. Cold weather would take longer to cure due to the chemical reaction of epoxy and resins.

This short post is not a technical description on epoxy curing. But in simple explanation during the curing process the epoxy transform from a liquid state to gel to solid state. The time for this cure to take place fully is a week. Getting back to the temperature, in a cold climate this cure time will take longer than a week.

During the stages of curing, obviously in the liquid stage is where you get to work the epoxy. Where as in the gel stage, its getting a little harder to play with. So you need to carefully plan out the work of the application as to where to start and ending point. Sounds like common sense but when its time to do and no plans of execution of the application, you can ruin the application.

So the main factor to move forward with the project is the cure time this is determine by the epoxy open time and overall cure time-hardener cure speed and epoxy temperature.

Each hardeners have specific time to cure, when you choose a hardener, select one that gives you the adequate time for the job and temperature and working conditions that you are under. Heat is another factor but within heat is determined by the ambient temperature and exothermic heat. Bottom line is the warmer the temperature the faster the cure of your concrete epoxy.



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