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22-01-11, 03:18 PM
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#1 |
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Guest
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Bonding polypropylene?
Seems a lot of bits on bikes are made out of polypropylene (PP) which is, I've read, a difficult plastic to bond as it is resistant to a lot of adhesives / solvents.
My question is whether Araldite will work? more specifically the slow cure precision one, not rapid set. |
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22-01-11, 03:24 PM
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#2 |
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Member
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Re: Bonding polypropylene
Hmmmmmm, I suppose it's worth a try, if it's all you've got, I generally use this stuff, in th crack and if needed plastic weld the back.
Cheers Mark.
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22-01-11, 03:28 PM
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#3 |
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Re: Bonding polypropylene
Thing is, if it's not going to work I'm not going to risk it. One of the headlight lugs has snapped so if it wont glue I have to order a whole headlight... at quite some expense...
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22-01-11, 03:41 PM
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#4 |
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Re: Bonding polypropylene
As said I use the two part stuff I linked to, that works most of the time, but if you'll have to order a new one, no harm trying is there ?
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Life should not be a journey to the grave with the intention of arriving safely in a pretty and well preserved body, but rather to skid in broadside, in a cloud of smoke, thoroughly used up, totally worn out, and loudly proclaiming, 'Wow! What a Ride! |
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22-01-11, 03:58 PM
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#5 |
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Re: Bonding polypropylene
You can buy PP specific two part adhesive, when I used to use it in my last job I got it from rs components www.rswww.com.
Depends what you expect from glue, structual stuff I would buy as above, if it's just cosmetic stuff that wont be subject to any stress then araldite will be fine IMO . |
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22-01-11, 04:17 PM
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#6 |
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Re: Bonding polypropylene
It holds the headlights in place so I'd say structural. I might just pick up some new ones to be on the safe side but have just tested some araldite on 2 pieces of PP and will let it go off overnight...
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22-01-11, 09:37 PM
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#7 |
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Noisy Git
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Join Date: Apr 2007
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Re: Bonding polypropylene
Plastic weld it
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Now rebuilding a 63' fishing trawler as a dive boat |
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23-01-11, 01:23 AM
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#8 |
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Re: Bonding polypropylene?
Have managed to do this on my old SV using industrial strength glue.
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23-01-11, 10:53 AM
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#9 | |
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Re: Bonding polypropylene
Quote:
I don't have a plastic welder and they look pricey, more expensive than just getting a new headlight. Think I'll just bite the bullet and sell mine on eBay to someone with the gear to fix it. |
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23-01-11, 01:46 PM
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#10 |
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Noisy Git
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Join Date: Apr 2007
Location: Halifax/Leeds
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Re: Bonding polypropylene?
£5 for a cheap soldering iron, less than a decent bottle of glue
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Currently Ex Biker
Now rebuilding a 63' fishing trawler as a dive boat |
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