Does Bondo hardener go bad?
if it was cold for any long length of time, the hardener separates and goes bad. No matter how much kneading you do it never seems to mix again. age can affect it too. if it has been sitting around for a long time (year or more) it can go bad.
Is all Bondo hardener the same?
All the different color hardeners are chemically the same, just different color dyes. One color is not going to work any better or worse than any of the other colors. And those hardeners don’t freeze (at least here in Freeze Your Nads, Michigan) where 10 below zero is not out of the ordinary.
Can new Bondo be applied over old Bondo?
Yes, you can layer bondo over bondo as much as necessary with no problem.
Does Bondo have an expiration date?
When stored at the recommended conditions in original, unopened containers, this product has a shelf life of 16 months from the date of manufacture.
Is Bondo toxic after it dries?
Applying Body Filler / Bondo As the filler dries, styrene is released to the air and you can breathe it. Exposure to styrene can cause respiratory irritation. It may also damage your liver and possibly cause cancer at very high levels of exposures – not usually found in autobody shops.
Does body filler go bad?
All body filler comes with some sort of date coding (i.e. “Best if used by December 2000”). In a heated storage room, the polyester body filler will last several years. It’s just the hardener that goes bad. Paste hardener should be kneaded in the tube to reach a smooth uniform consistency every time before it’s used.
What is the difference between red and blue Bondo hardener?
Body filler and hardener come in different colors (Fig 15) such as red, blue and white. In the past, the only difference between these colors was the color. Now some manufacturers offer hardeners in three different hardening speeds for cold, medium and hot weather.
Is Bondo a good wood filler?
Bondo All-Purpose Putty/Body Filler It’s actually made for auto body repairs but works great as a wood filler. This product gives more structure and you can rebuild chunked corners and large gouges. It comes in a quart with a cream hardener that you mix together before application.
Should I remove old Bondo?
If the filler is already level anything you add on top would have to be sanded right back off. If you prefer the quality of the fiberglass filler just remove the thin layer of old bondo and start from bare metal.
Can body filler go off?
if you seal the container properly, that stuff will last you for ages. i’ve used filler thats 4-5 years old, granted ireland is damp climate, however, the filler is perfect, and the body work i prepared is still intact and didnt crack or warp in any way.
How long does body filler take to go off?
It gets hot pretty quick so keep it moving. 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.
What kind of hardener is used for Bondo?
The miraculous blend of polyester resins and cream hardener known as Bondo can make wavy panels straight and door dings disappear. It can hide a welding seam in seconds; but Bondo in the hands of those with calamitous intentions can result in a restoration nightmare.
Why does Bondo not harden in the Cold?
As you stated, Bondo does not harden quickly in the cold but I would think 2 days is plenty. Maybe ya got a bad batch or its old or the freeze did it in. I would go get a new tube of hardener and see if that works.
Is it possible to harden bondo without a catylist?
with bondo (and all polyesther products) the catylis causes heat, and speeds up the harnening process. in theory bondo and resin should harden eventually without any catylist , which is really an accellerant to the process. that said, ive never seen it get hard without some hardner. See there, love the hamb, i learned something today.
What’s the best way to repair old Bondo?
Quick work with a grinder revealed multiple layers of paint, old Bondo, and rust. The goal was to get down to the metal, take a measure, and scuff the repair area back out to 60–80 grit. I found a few low spots with a contour gauge, so out came the pin welder.
What kind of filler does Bondo liquid hardener use?
Liquid Hardener mixes with Fiberglass Resin and Bondo Metal Reinforced Filler to create high-quality, long-lasting repairs. When hardener is mixed with product, a chemical reaction occurs to create a mixture that will deliver a strong, lasting repair.
Can you use Bondo red cream hardener with glaze?
This hardener is smooth and easy to mix with fillers, putties and glazes. Bondo Red Cream Hardener is a hardening agent designed to work with all fillers, putties and glazes. The creamy consistency mixes easily and quickly. This hardener combines the best of ease of use and quality final results.
Which is better, Bondo over previous Bondo that’s old?
Bondo over previous bondo that’s old is a bitch. a cheese grater would lift whole parts of your new bondo. only way is to skim coat a thin layer and let it cure until real hard, then grind or sand it down. With the internets, learning this stuff has got to be better. you can ask and get good infomation and avoid having to learn the hard way!
Quick work with a grinder revealed multiple layers of paint, old Bondo, and rust. The goal was to get down to the metal, take a measure, and scuff the repair area back out to 60–80 grit. I found a few low spots with a contour gauge, so out came the pin welder.