Large polystyrene sculpture needs a tough and hard wearing coat of
paint. Using a Cellulose Based Paint is not a possibility because of the
small studio space available.

The idea so far is to use something like a builders concrete sealant put
first put on the polystyrene and then to apply a water based paint like
one that is put on to cars these days.

Does there exist an especially tough and hard water based paint? For
instance one that we might think is put on to the bumpers of cars or
something else that needs a hard coat? Grateful for any suggestions.

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On 29/11/2021 21:52, john west wrote:


Using a Cellulose Based Paint is not a possibility because of the

small studio space available.

Dont worry about the small studio space - the acetone based cellulose
thinner will simply dissolve the polystyrene.

And I know from personal experience that it makes an awful sticky (and highly inflammable) mess


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In article <so3i3d$h5j$1@dont-email.me>,
john west <mail.invalid456@mail.invalid> wrote:

Does there exist an especially tough and hard water based paint? For
instance one that we might think is put on to the bumpers of cars or something else that needs a hard coat? Grateful for any suggestions.

Pretty well all car paint is water based these days. But needs baking on.

--
*Who is this General Failure chap anyway - and why is he reading my HD? *

Dave Plowman dave@davenoise.co.uk London SW
To e-mail, change noise into sound.

--- SoupGate-Win32 v1.05
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On 29/11/2021 21:52, john west wrote:

Large polystyrene sculpture needs a tough and hard wearing coat of
paint. Using a Cellulose Based Paint is not a possibility because of the small studio space available.

The idea so far is to use something like a builders concrete sealant put first put on the polystyrene and then to apply a water based paint like
one that is put on to cars these days.

Does there exist an especially tough and hard water based paint? For
instance one that we might think is put on to the bumpers of cars or something else that needs a hard coat?  Grateful for any suggestions.

If you want something permanent I would have thought 2-pack would be
best but conscious it might not be compatible with a polystyrene substrate.

This might you you an idea:
https://www.youtube.com/watch?v=mmR3uh2ll1w

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In article <so5oek$9t4$1@dont-email.me>,
Fredxx <fredxx@nospam.co.uk> wrote:

On 29/11/2021 21:52, john west wrote:

Large polystyrene sculpture needs a tough and hard wearing coat of
paint. Using a Cellulose Based Paint is not a possibility because of
the small studio space available.

The idea so far is to use something like a builders concrete sealant
put first put on the polystyrene and then to apply a water based
paint like one that is put on to cars these days.

Does there exist an especially tough and hard water based paint? For instance one that we might think is put on to the bumpers of cars or something else that needs a hard coat? Grateful for any suggestions.

If you want something permanent I would have thought 2-pack would be
best but conscious it might not be compatible with a polystyrene
substrate.

And even more dangerous indoors than cellulose?

This might you you an idea: https://www.youtube.com/watch?v=mmR3uh2ll1w

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Dave Plowman dave@davenoise.co.uk London SW
To e-mail, change noise into sound.

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On 30/11/2021 11:12, Dave Plowman (News) wrote:

In article <so3i3d$h5j$1@dont-email.me>,
john west <mail.invalid456@mail.invalid> wrote:

Does there exist an especially tough and hard water based paint? For
instance one that we might think is put on to the bumpers of cars or
something else that needs a hard coat? Grateful for any suggestions.

Pretty well all car paint is water based these days. But needs baking on.

Only at the factory !.

Much of the repair business is still wedded to solvent-based paints

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On 30/11/2021 18:35, Dave Plowman (News) wrote:

In article <so5oek$9t4$1@dont-email.me>,
Fredxx <fredxx@nospam.co.uk> wrote:

On 29/11/2021 21:52, john west wrote:

Large polystyrene sculpture needs a tough and hard wearing coat of
paint. Using a Cellulose Based Paint is not a possibility because of
the small studio space available.

The idea so far is to use something like a builders concrete sealant
put first put on the polystyrene and then to apply a water based
paint like one that is put on to cars these days.

Does there exist an especially tough and hard water based paint? For
instance one that we might think is put on to the bumpers of cars or
something else that needs a hard coat? Grateful for any suggestions.

If you want something permanent I would have thought 2-pack would be
best but conscious it might not be compatible with a polystyrene
substrate.

And even more dangerous indoors than cellulose?

If you're worried you can do the work outdoors by waiting for that dry
sunny day. They do occur occasionally.

This might you you an idea: https://www.youtube.com/watch?v=mmR3uh2ll1w

I would say that PVA was pretty benign, if you went down that route?

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