Sikaflex 291 or 292?

jimi

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To be used for sealing and sticking the lower rudder bearing on a beneteau? Which would you use?

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jimi

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That's exactly the dilemna .. if I use 292 and for whatever reason wish to replace the bearing at a future date am I then stuffed?

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webcraft

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Re: Any gunge in a tube

Was nearly tempted into buying a nice shiny 310cc tube of sikaflex in the local swindlery the other day . . . then I realised that I would use a fraction of it, leave it in the shed for a few months and return to use it again only to find it was completely solid in the nozzle or even further back into the tube.

What handy hints and tips - if any - do people have for avoiding this disappointment with tubes of expensive gunge?

- Nick

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paulrossall

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Re: Any gunge in a tube

I buy the small white coloured tube from a chandelry made by Dow Corning (I think thats the name or something similar) They cost about £5, but that is better than paying at least twice that for 3 times the volume and then finding 75% of it has not been used and goes off. IMHO Paul

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MainlySteam

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Re: Any gunge in a tube

Sika do make small tubes of at least 291. I have not got one on hand to check their capacity but would be about 75 - 100 cc and available in white and black. They are around $13 here in NZ (say very roughly 5 pounds) and I assume they are available in the UK.

John

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philmarks

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I recall that 291 should not be permanently immersed.

With the large tubes, when it's set you can usually find a fair bit inside which is usable - slit the tube with a sharp knife. Messy to apply but a shame to waste it.

A product called Lifecalk is also quite good, from "Boatlife" I believe.

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John_Clarke

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Silica gel is the answer

If you keep the tube of Sikaflex, or other moisture curing sealants, in an air tight container with silica gel crystals if will keep for a long time. When the blue silica gel turns pink it is time to dry them out in an oven at 100 - 120 C.

See <A target="_blank" HREF=http://www.geejaychemicals.co.uk/default.htm>http://www.geejaychemicals.co.uk/default.htm</A>

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jimi

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292 is the rcommendation from Beneteau too! BigNick get first shot at Badger's next question;-)

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