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Allow the putty to dry 15 minutes at 77 degrees F (25 degrees C). In cooler climates, putty may take 20-30 minutes to dry. 7. Using 3M™ Sandpaper 80 grit, sand and shape the filled area to the contour of the surface.
Do you sand Bondo between coats?
Between each coating, sand the hardened putty with 80-grit sandpaper to remove excess Bondo. The coarse sandpaper will also rough up the surface giving it the tooth needed for the subsequent coating of Bondo to achieve good intercoat adhesion.
Can Bondo be wet sanded?
Don’t wet sand filler. Filler is too absorbant and you can have problems getting it dry plus you could cause moisture to wick through to the metal or weaken the bond between the filler and the substrate.
How long does body filler take to set?
(If you need to use shaping tools, this is the time to do it- while the putty is beginning to harden but isn’t yet dry.) Let dry completely (20-30 minutes).
What grit sandpaper do I use for Bondo?
Make sure to sand outside of the repair area as Bondo will need to be spread and applied wider than the damaged area. (36-grit to 220-grit should do the trick for body filler application). AutoBodyNow.com sells a vast assortment of sandpapers and sanders to complete this step.
Can you put a second layer of Bondo?
Unsanded filler tends to have a film on it and the next coat won’t bond as well unless the lower coat is abraded. You don’t need to level it but you should scuff it with some 80/120 before applying the next coat.
Can I apply second coat of Bondo?
NEVER apply filler over unsanded cured filler. If the first batch is even starting to set up, let it go, sand it then reapply.
Does body filler absorb water?
If you check the MSDS on these products you will see that they still have talc, just like “regular” fillers and WILL absorb water. John, you really shouldn’t be applying that Picklex around the filler, it is bound to get under it and cause big problems.
Does body filler absorb paint?
Can You Body Filler Over Paint? In addition to steel, aluminum, galvanized metal, fiberglass, and SMC, Evercoat fillers are designed to work over bare, properly prepared substrates. It is normal for filler and puttie to work OK over OEM paint that has been properly sanded (80-180 grit).
Should spot putty be applied very thick?
Filler should not be applied more than 1/4″ thick, any more and there is a risk it will crack. With that said, any damage less than 1/4″ deep may not need to be hammered out. 3. Sand the area about 5 inches on all sides of the dent with a 80 Grit Sanding Disc on a DA Sander.
How long can Bondo be left unpainted?
Between life and work, the longest time period the bondo would go Unpainted would be about 2-3 weeks.
How long for Bondo smell to go away?
Horrible Odor The odor does go away in about one to two hours after drying. The smell is probably the biggest negative about this product when used indoors.
Does Bondo need to be primed?
Registered. Yes priming it would be best.
Can you put body filler on Baremetal?
For small repairs, you can bog directly over the bare metal. If the repair is larger, or you’re looking for a longer-lasting job, apply a base coat of epoxy primer before laying on the filler.
How much hardener do you put in Bondo?
Mixing is the most vital step when using body filler. Plastic body filler needs the filler and a hardener mixed at the perfect ratio. The mix is crucial: 50:1.
How thick should Bondo be?
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. Eventually the filler will shrink and possibly crack, or even pop off!Feb 2, 2020.
Can you put Bondo over sanded paint?
Fillers and putties will normally work OK over properly sanded (80-180 grit) cured OEM paint. We recommend that all paint be removed where filler is to be applied.”Nov 3, 2012.
Will Bondo stick to masking tape?
Over time an use the bondo will not stick to Duct tape.
Can body filler go over primer?
Applying body filler over epoxy primer provides maximum corrosion protection for the metal. Apply filler within seven days of applying epoxy primer to maximize adhesion.
Can Bondo be exposed?
Applying Body Filler / Bondo The application of filler material can expose you to some hazardous materials if you do not take appropriate precautions. Most body fillers contain a solvent called styrene. Exposure to styrene can cause respiratory irritation.
What is the easiest sanding body filler?
Evercoat 156 Light Weight Body Filler Evercoat Lite Weight® Our #1 selling, high-quality, clog-free, light weight body filler is a great value with its smooth spreading, easy sanding features.
Can you put self etching primer over Bondo?
Yes. You can apply self etch over fully cured filler.
How long does it take Bondo spot putty to dry?
Allow the putty to cure for 30 minutes or until hard to the touch.
