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 bajachris88
A.k.a.: Chris Leete
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 posted on June 27th, 2011 at 05:49 PM |
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fibreglassing. Preventing glass from sticking to stuff i don't want it to?
Good evening lads!
Wats the best way to stop fibreglass sticking to stuff i don't want it to? like a mould etc.
For example, like a fender light 'bucket' for a brand new certain tailight i want to install, but want to use the light itself as a mould without
the fibreglass glass sticking to it?
thanks 
Chris.
(ô_!_/ô) (ô_!_/ô)
69' baja: kombi box, thing spindles, irs, disc front, type 3 rear drums, 2 inch lift kit, 31x10 rears. 
New engine in process: 94mm p&bs, 74mm C/w chomol Crank, 35.5x39 SP heads, turbo. Wierd combo, hopeful torque monsta! |
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 helbus
A.k.a.: Pete S
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| posted on June 27th, 2011 at 06:22 PM |
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The standard product to use is PVA glue. It is water based and will not stick to steel or fibreglass. Then with a wash of water it is all gone.
A coating of Carnuba wax before putting the PVA on makes it even easier.
Three coats of PVA allowing them to dry will be very safe.
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 matberry
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| posted on June 27th, 2011 at 06:26 PM |
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Brown packing tape for simple shapes is an easy way.
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baghall
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| posted on June 27th, 2011 at 07:40 PM |
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Cellotape also works. It is used when needing to make panels that screw together. You can fibreglass onto one panel and have cellotape on the other so
it doesn't stick. Now that I have written this I realise that you are wanting to use a light bucket so the best bet is using releas wax. Polish it on
and off just like car polish. When fibreglassers do a prep a new mould they will put on up to 8 coats. It still needs a bit off work to release, but
if the bucket is tappered down to the rear a few squeezes might do it. If not use the plastic strips that you get in yellow tounge flooring.( Builders
usually have some left overs onsite.) You slide them in between the plug and the mould to help release them.
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VolksVair
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| posted on June 27th, 2011 at 07:53 PM |
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| Quote: | Originally
posted by helbus
The standard product to use is PVA glue. It is water based and will not stick to steel or fibreglass. Then with a wash of water it is all gone.
A coating of Carnuba wax before putting the PVA on makes it even easier.
Three coats of PVA allowing them to dry will be very safe.
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Just so there's no confusion, dont call it PVA Glue, as the poor fella might walk into mitre 10 and get some pva glue for wood!!! need to go
into a fibrglass supplier and ask for some PVA release agent (Poly Vinyl Alcohol)
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vlad01
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| posted on June 27th, 2011 at 09:00 PM |
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do glass fiber suppliers sell supplies for carbon fiber?
71 notchback,
Past owner of, 70 NB, 73 SB and 72 FB TLE |
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hulbyw
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| posted on June 27th, 2011 at 09:31 PM |
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There is a guy in Bayswater that does. Long way from Kyneton though.
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matberry
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| posted on June 27th, 2011 at 09:33 PM |
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| Quote: | Originally
posted by vlad01
do glass fiber suppliers sell supplies for carbon fiber?
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Normally yes. Good place to start
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
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vlad01
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| posted on June 27th, 2011 at 09:44 PM |
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cool. that stuff shits all over fiberglass
I got to play with some F1 chassis and body parts when I was in Swiss. Absolutely amazing properties and ideal for a possible application in mind for
my notch.
71 notchback,
Past owner of, 70 NB, 73 SB and 72 FB TLE |
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helbus
A.k.a.: Pete S
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| posted on June 27th, 2011 at 10:37 PM |
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| Quote: | Originally
posted by VolksVair
| Quote: | Originally
posted by helbus
The standard product to use is PVA glue. It is water based and will not stick to steel or fibreglass. Then with a wash of water it is all gone.
A coating of Carnuba wax before putting the PVA on makes it even easier.
Three coats of PVA allowing them to dry will be very safe.
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Just so there's no confusion, dont call it PVA Glue, as the poor fella might walk into mitre 10 and get some pva glue for wood!!! need to go
into a fibrglass supplier and ask for some PVA release agent (Poly Vinyl Alcohol)
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That's probably why I was confused. The stuff the fibreglasser at work uses is PVA, and smells and looks like the wood glue, but you are right, it is
Poly Vinyl Alcohol, not Poly Vinyl Acetate. It should be easy to get from online suppliers.
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bajachris88
A.k.a.: Chris Leete
23 Windows of Awesome
The international telephone dialing code for Antarctica is 672.
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| posted on June 27th, 2011 at 11:02 PM |
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Excellent stuff
Thanks guys, that should certainly keep me busy and out of trouble now. much appreciated!! Time to get glassing...
(ô_!_/ô) (ô_!_/ô)
69' baja: kombi box, thing spindles, irs, disc front, type 3 rear drums, 2 inch lift kit, 31x10 rears.
New engine in process: 94mm p&bs, 74mm C/w chomol Crank, 35.5x39 SP heads, turbo. Wierd combo, hopeful torque monsta! |
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airhead
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| posted on June 30th, 2011 at 08:23 PM |
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cant go passed ptfe spray.
otherwise called Teflon.
used this in our moulds when making aircraft parts.
no probs.
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