How strong is Bondo?

[Silverzippo93]

How strong is a helmet covered in body filler? Will it crack if you drop it on concrete?

 

[cgspartan]

if you're just covering cardstock in bondo it might crack... from my experience bondo body filler's strength s directly related to how flexible the stuff it's being put on is. If you're not treating the cardboard or cardstock that you made your helmet out of, the body filler could crack very easily by the material underneath flexing around.

however, if you've fiberglassed the stuff, so that it by itself is sturdy, the bondo will stand less of a chance of cracking. The bondo is pretty impact resistant

 

[Master Chief 13]

its relatively strong but if you dropped it on mostly anyhting it would shatter because bondo by itself is very brittle

 

[Silverzippo93]

I resined and fiberglassed it first.

Shoud I put a coat of resin on the Bondo after I sand it?

 

[Sean Bradley]

I resined and fiberglassed it first.

Shoud I put a coat of resin on the Bondo after I sand it?

Don't be ridiculous... then you'll have to sand it again...

How about this: DON'T DROP IT!
Even reinforced resin will crack if you put it under enough pressure.

 

[Macattack64]

Don't be ridiculous... then you'll have to sand it again...

How about this: DON'T DROP IT!
Even reinforced resin will crack if you put it under enough pressure.

Why would you drop it in the first place... unless it was an accident... :\

 

[Silverzippo93]

I was just wonderind how careful I should be.

Thanks guys.

 

[Macattack64]

Ok, So let me get this straight...
Is this the correct order of what you do?

Resin
Fiberglass
Bondo
Sand
Detailing
Paint

 

[Silverzippo93]

That's it.

 

[Macattack64]

That's it.

Really... I'm gonna need to write this down...