Thread: not enough hardner in west system 105 glue

Pull it apart, clean it off, start again, and remember that 'not enough hardener' generally means 'plenty of time to do it again'. Mixing ratio should be accurate, as a little bit less in a 5:1 mix makes a much bigger difference than it does in a 1:1 or 2:1 mix.

Thanks master splinter, I have just taken your advice, pulled the pieces apart and cleaned up. I'll be ordering a new lot of glue with a measuring pot I've always been ok at guessing the amount and adding a bit extra just in case. This time I must have ran out of luck.

I'd recommend (if you tend to do smallish amounts) one of these sorts of mini-scales. - NEW 500G 0 01 Digital Pocket Scales Jewellery Precision Electronic Weight LAB | eBay

For 105/205 the mix ratio by weight is 5.19:1, with an acceptable range between 4.84:1 and 6.20:1

Originally Posted by Master Splinter

I'd recommend (if you tend to do smallish amounts) one of these sorts of mini-scales. - NEW 500G 0 01 Digital Pocket Scales Jewellery Precision Electronic Weight LAB | eBay

For 105/205 the mix ratio by weight is 5.19:1, with an acceptable range between 4.84:1 and 6.20:1

Just don't keep a quantity of small zip lock bags with them though

Originally Posted by Mobyturns

Just don't keep a quantity of small zip lock bags with them though

would look even more suss if I pre weighed and put the 403 microfibre / filler in those bags

Hi
You have do the right thing by re doing it......Lesson learnt I hope...
I mix up small amount of epoxy and use the small jewelry scales and a shot plastic cup 5:1 ratio have mixed as small as 3gr. It's the way to go

R

Yes, another lesson learnt the hard way.

A year or so ago I made a custom Huon Pine corner bathroom vanity with cupboards and drawers galore. For some reason I cant explain (and still kick myself for) I mixed up 2 lots of part A for the final coat of lacquer rather than 1 part A and 1 part B. Needless to say by the next day it hadn't gone off,or by the next,or next.Took a while to dawn on me what must've happened...had to scrub the last coat off with steel wool and thinners. One hell of an unsavoury job. Made the whole job a hassle rather than a positive.
As the old George Thouroghgood song goes "You gotta lose, you cant win all the time"
Incidentally I have made even bigger blunders, but hey, no one wants to hear about them.

I once worked in the fibreglass industry rule 1 every pot the catalyst had to be witnessed before it was used...guess it save a lot of stuff ups...

Artful bodger, a floor finisher told me of a similar mistake, where he mixed two parts of part A instead one part A and B. He said the only way to fix it was to take off socks and shoes and coat the undried varnish with part b.

Originally Posted by jrock_au

Artful bodger, a floor finisher told me of a similar mistake, where he mixed two parts of part A instead one part A and B. He said the only way to fix it was to take off socks and shoes and coat the undried varnish with part b.

You can but you never get a good mix and then end up with under cured bits where there is too much A or B in spots

R