Does Bondo need hardener?
Does Bondo need hardener?
(Bondo comes with a tube of hardener.) If you add too much hardener, the mixture will gel too quickly. If you add too little, it increases the amount of time for it to cure, and if you don’t add enough it will never cure.
Why is my Bondo not drying?
If the Bondo isn’t dry, it’s because you didn’t use enough hardener or the temperature is too low. Getting it wet didn’t help. Try using a heat and strip gun. It gets hot pretty quick so keep it moving.
How long does Bondo take to harden?
10 minutes
Can I wet sand Bondo?
You can wet sand plastic body filler (“Bondo” is a trade name like “Chevrolet” or “Nike”) but you should carefully heat the filler with a blow torch before priming. Just take a blow torch and quickly wave it across the filler and you will see the moisture evaporating right before your eyes.
Does acetone remove Bondo?
Acetone will remove at least some fabric along with the embedded Bondo. Apply the acetone to a cleaning cloth and wipe the affected area thoroughly. According to the Aftermarket Product Department of 3M, the Bondo should release from the fabric fairly easily.
How long does Bondo have to dry before painting?
If your filler hardens too fast, you used too much, if it takes too long, you didn’t use enough. You only want to mix what you can use in about 10 minutes. Properly mixed, body filler will begin to thicken in 10-15 minutes, and be fully cured in 30.
How long can you leave Bondo unpainted?
about 2-3 weeks
Do you have to prime over Bondo?
You should use a “direct to metal” (DTM) primer to help top coats stick to the metal but it’s not needed under body filler most of the time. Once the metal is primed then you can apply a “filler primer” (2K) to help hide scratches and minor surface irregularities.
Does paint stick to Bondo?
Do not slap Bondo onto a smooth painted surface, it is not going to stick very well. The paint should be sanded off, to the bare metal, and then apply the filler. A 36-grit to 180-grit surface is ideal for body filler application.
Can I apply Bondo over paint?
bondo to bite into. You can apply fillers over the factory paint if it’s clean and sanded real good. It’s done all the time. It’ll be fine.
Is Bondo bad for a car?
Used as a leverler on well prepared metal it’s fine. Ive seen cars from the factory with minimal amounts of bondo to make it look perfect. Nothing is wrong with it as long as it’s applied correctly. It will end up just falling out and making the car look worse than before.
Do body shops still use Bondo?
Yes auto body shops still use Bondo and other fillers. It is a great product and if used properly, thin applications, it works great. Most Bondo problems are due to excessive thickness and improper application.
What will Bondo stick to?
Bondo or car body filler , will stick to almost anything as long as the surface is keyed and primed , so you have to seal the base layer first .
How long should Bondo dry before sanding?
Generally, in a matter if a few minutes it will start to harden and get rubbery. At that point, you can carve it up with a utility knife, a hand planer or a bondo rasp. Just make sure you leave enough to do a final sanding, usually within 10 to 15 minutes you can start sanding it.
How do you make Bondo dry slower?
You can slow up the cure time by using less hardener. Also, keep it cool–I sometimes put my container in ice water to slow it down a little. But, one of the benefits of using Bondo is that it does cure fast letting you get to sanding and finishing much faster than using most other products.
Does Bondo catch fire?
Caution: Bondo is flammable — keep away from heat, sparks, open flames, and hot surfaces. Wear protective gloves and eye/face protection. It is about as durable as paint under heat.
Can body filler be thinned?
It will take longer, might cost more but should give a far more durable finish. How do you thin Bondo Lightweight body filler? Polyester resin can be used to thin bondo, however by reducing the ratio of fillers to resin, it will increase the amount of shrinkage on cure.
How much is Bondo hardener worth?
Use a golf ball size amount of filler and use 5-8 drops of hardener or about and inch and a half strip of hardener.