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newsSilicone sealants for potable water
I have posted before about silicone sealants that are suitable for use in construction of the solar water distiller.
I have previously used Selleys 401, translucent, purchased from Bunnings, AU$19.63 for a 310g tube:
https://www.bunnings.com.au/selleys-310g-401-rtv-engineering-grade-silicone_p1231042
...rather expensive.
Besides, I am now wanting black sealant, and Bunnings only sell the
Selleys 401 in translucent. Also, I am now favouring neutral-cure for
applications other than glass.
I recently discovered Bostik Industrial Grade silicone, at the Total
Tools website, for AU$6.95 per tube -- except that no stores anywhere in
Australia actually stock it, and it is a "special order" with high
postal charge. Anyway, here is the manufacturer's specs page:
https://www.bostik.com/australia/Bostik-Products/Boskit-Industrial-Grade-Silicone
...Bostik is an international company, and in many places, such as
the USA, you could probably pick it up from your local hardware store.
The Fuller company, also international, do a "plumbers silicone", rated for potable water use, but not available in black.
About a week ago, I discovered Silastic 732, acetic-cure, available
in black and white, and stocked at Autobarn, a car parts and accessories
chain store in Australia. This is also rated for use in potable water.
Price is AU$18.99 per tube:
https://www.autobarn.com.au/silastic-732-black-cartridge-310g
...I bought two tubes.
There was something nagging at my memory though, another brand,
locally available. Yes, found it: Prosil 10, neutral-cure, available in
various colours including black. And cheap, AU$8.95:
https://www.indrub.com.au/prosil-10-100-neutral-silicone-300g-cartridge.html
Here is the manufacturer's page:
https://silicone.com.au/product/prosil-10/
Tags: nomad