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Re: NFC: Sealing Acrylic
I thought that cyanoacrylate based glues were used to bond
acrylic. Super-glue/Krazy-glue are cyanoacrylate compounds. Have you found
these to by runny, Wright? I have not used them for large projects (only
small fix-up jobs).
Sajjad
On Tue, 2 Jan 2001, Wright Huntley wrote:
> Larry Needham wrote:
> >
> > Any acrylic expert out there? How does the seam fusing work? Is it a
> > chemical, or a heating process, or both? What's the chemical called? Are
> > special tools required?
> >
> > I think I'm gonna' start making my own wet dry filters if I can bond the
> > plexi easily enough.
> >
> > Thanks,
> > Larry
>
> It's a very volatile, strong solvent for acrylic, usually based on methylene
> chloride or something similar. It is available in small bottles from any
> plastics house. The fit must be very good indeed, to wick it into the joint,
> so you actually use very little when welding two panes. You need a glass
> hypodemic syringe or dropper to apply, as it will melt almost anything made
> of plastic. High density polyethylene droppers may work.
>
> Recently my local supplier has sold me a new product that is thickened (the
> other is terribly runny). It's called "Craftics #33" and has a consistency
> more like silicone.
>
> IDK how good it would be for big jobs, but it works great on little ones
> where I don't want to do the sanding and fitting needed for good capillary
> joinery. I use it for making the air-lift tubes for wet-drys. Seems to bond
> to vinyl, too.
>
> Wright
>
>
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