ElectricGoat
20.06.2021 22:15:11
How does temperature and humidity affect the application of body filler?
See full version: Can I use Bondo in cold weather
How does temperature and humidity affect the application of body filler?
Bondo mixed to the color swatch will begin to cure in less than 10 minutes at room temperature. Too much hardener in a warm environment will reduce working time, but too little in a cool environment can result in maddeningly long curing times. A heat lamp can speed curing in colder weather.
In this regard, how long does Bondo take to dry in cold weather? [links]
One may also ask, does Bondo freeze? The bondo will be OK if frozen. Polyester resin keeps very well in a refridgerator, for long term storage. The hardner may not be good after extreme cold. Hardner doesn't freeze the same as water. here
Bondo said: FREQUENTLY ASKED QUESTIONS (FAQ) What is the lowest temperature that body fillers can be used in? 45° - 50°F (7° - 10°C); if using below 65° F, the amount of hardener used should be slightly increased. [links]
The metal will be 10 to 15 degrees Fahrenheit cooler than the air and moisture will condense on it. If you put filler on a cold panel in humid conditions you trap a thin film of moisture under the filler. That is one of the causes for rust under the filler.
I agree, you can bondo in cold weather. It will be easier if you keep the bondo warm (in your house) before you measure it out and use it. Keep the part you are going to bondo in the house also until just before you do the bondoing. The bondo will actually get warm on its own (exotherm) if it is not spead to thin. [links]
Subsequently, question is, how long before you can paint Bondo? Bondo mixed to the color swatch will begin to cure in less than 10 minutes at room temperature. Too much hardener in a warm environment will reduce working time, but too little in a cool environment can result in maddeningly long curing times. more
Bondo said: FREQUENTLY ASKED QUESTIONS (FAQ) What is the lowest temperature that body fillers can be used in? 45° - 50°F (7° - 10°C); if using below 65° F, the amount of hardener used should be slightly increased. 12/2/14 4:07 p.m. Bondo says 45-50 degrees.
Likewise, people ask, can Bondo be used in cold temperatures? [links]
Painting over Bondo. Fairly sure any primer is fine. I like a decent filler primer, with good build level, on fillers, this often covers pin holes and sanding marks. more
The cure rate of epoxy is very dependent on temperature. A 5 minute epoxy used at a code temperature will take much longer than 5 minutes to cure.
just too cold to use bondo or epoxy. more
You can get polyester (Bondo) to catalyze if you hold a heat gun to it for a few minutes. Just enough to get it to about 90F. Once it starts to set up, it will generate its own heat to finish the curing.
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