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Will Bondo hold up to heat?

In this way, will Bondo hold up to heat? Bondo doesn’t so much melt as burn. It is made of polyester resin and a powdered filler. It is about as durable as paint under heat.

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And unlike metal, the filler won’t rust over time. So it stays strong and stable whether it’s primed, painted or left bare. As a brand of 3M, Bondo® is well known among collision repair professionals and others who are committed to helping you restore the beauty and value to the vehicles you own.

Beside this, Does Bondo add strength?

Bondo Metal Reinforced Filler is easy to use, yet exceptionally strong for repairing and rebuilding metal, fiberglass and more.

Likewise, Are body fillers heat resistant?

Body filler is a thick, two-part polyester resin, commonly called Bondo. Caution: Bondo is flammable — keep away from heat, sparks, open flames, and hot surfaces.

Also, Do I need hardener with Bondo?

Do I need hardener with Bondo? (Bondo comes with a tube of hardener.) If you add too much hardener, the mixture will gel too quickly. If you add 1 line of hardener across the top of the dollop of Bondo, it takes about 15 minutes to dry after applying.

How does temperature and humidity affect the application of body filler?

Proper temperature. Extremes in temperature and humidity can affect hardening times in fillers, making application difficult. In warmer climates where the filler can begin hardening quicker than normal, technicians compensate by cutting back on hardener to slow the process.


25 Related Question Answers Found

 

Are car fillers heat resistant?

Metal parts filled in with plastic resin or two-part body fillers can cause problems for powder coaters and fabricators. … Coaters need a metal repair filler that can be used under powder coating, is heat resistant and able to take the charge of the powder coating process.

How thick can you go with Bondo?

1/4″ is fine. Anything more than that and it can crack and chip a little easier if it gets banged into. You might be able to pop the dent out a little more using a lever or J shaped bar. Just don’t distort the gas cap opening.

Can Bondo be used on metal?

Bondo Body Filler cures fast, shapes in minutes and is formulated to be a non-shrinking and permanently durable material. In addition to its uses on vehicle exteriors and other metal surfaces it is also a suitable repair option for wood, fiberglass and concrete.

Can Bondo handle heat?

Bondo, or it’s clones can be removed with heat and a putty knife.

How strong is Bondo?

Bondo brand Bondo-glass reinforced filler is twice as strong as regular body filler. 1/2 in. interlocking fiberglass strands create strength and make this filler ideal for repairing small (dime-size or smaller) holes or rust-outs.

What is the maximum thickness of body filler?

Thickness. There is no minimum thickness for Bondo, but there is absolutely a maximum. You do not want to apply body filler to anything that is thicker than about a 1/4”. That does not mean it can’t be done, but the repair will not last as long.

How do you use Bondo body filler on metal?

What is the difference between body filler and putty?

Putty is essentially a thick paint with a filler material – it’s generally used for very small scratches where the metal is not exposed. … Body filler is a polyester resin suitable for small dents. Chemical hardening, a cheap and easier (by a long way) substitute for body solder.

Does Bondo harden?

Bondo doesn’t “dry”; it cures through a heat-generating chemical reaction between the resin and hardener. … Bondo mixed to the color swatch will begin to cure in less than 10 minutes at room temperature.

Can you layer body filler?

Knead the hardener in its tube too, to make sure it is uniformly mixed. Spread a dollop of filler on you board, and mix in your hardener. … The first coat can even be just like a primer to establish the bond between the metal and the filler, and the next layer will just stick filler to filler.

Will Bondo harden without enough hardener?

without it the bondo will never get hard. put a lil glob of bondo on a board and run a line of hardener over the top from end to end. mix it up and apply, it should give you about five minutes working time before it starts to harden. once it starts tacking up, stop trying to apply it or you’ll just mess it up.

Does body filler last long?

You do not want to apply body filler to anything that is thicker than about a 1/4”. That does not mean it can’t be done, but the repair will not last as long. Eventually the filler will shrink and possibly crack or even fall off.


Last Updated: 12 days ago – Co-authors : 8 – Users : 6

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