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epoxy opps

by dwicked
posted 10-28-2018 05:39 PM


8 replies so far

View lumbering_on's profile

lumbering_on

578 posts in 877 days


#1 posted 10-28-2018 05:59 PM

At this point, I’d call a mulligan and remove the epoxy. You can see a good way to do it from West System.

https://www.westsystem.com/instruction-2/epoxy-basics/clean-up-removing/

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MrUnix

7387 posts in 2586 days


#2 posted 10-28-2018 06:32 PM

Try heating it up… either with something like a hair dryer, or if it’s small enough, in the oven for a while.

Cheers,
Brad

-- Brad in FL - In Dog I trust... everything else is questionable

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Clarkswoodworking

289 posts in 520 days


#3 posted 10-28-2018 06:56 PM

I don’t see a way to ad hardener now ?

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shipwright

8305 posts in 3185 days


#4 posted 10-29-2018 12:02 AM

With epoxy ratio is important. It is not a catalyst reaction. Both parts are consumed at a specific ratio. If there is too much of either there will be ions of that component left in the material after all the available crosslinking has been done. These free ions will adversely effect the properties of the compound.
Yes, it’s too late. Remove the muck and measure more carefully.
Also be aware that when the material is cold and there are viscosity differences between the components pumps can be less that accurate.

-- Paul M ..............the early bird may get the worm but it’s the second mouse that gets the cheese! http://thecanadianschooloffrenchmarquetry.com/

View Redoak49's profile

Redoak49

3986 posts in 2375 days


#5 posted 10-29-2018 01:54 AM

I mix my epoxy by weight. With T88, it is a ratio of 100 resin to 83 hardener. I just never trusted the pump things.

View Dustin's profile

Dustin

689 posts in 1127 days


#6 posted 10-29-2018 12:39 PM



I mix my epoxy by weight. With T88, it is a ratio of 100 resin to 83 hardener. I just never trusted the pump things.

- Redoak49

This is a great suggestion. I don’t ever do it, which is probably why my epoxy mixes and baked goods equally turn out poorly :p

-- "Ladies, if your husband says he'll get to it, he'll get to it. No need to remind him about it every 6 months."

View dwicked's profile

dwicked

7 posts in 236 days


#7 posted 10-29-2018 05:33 PM

Thank you all. It also looks like the sent me the wrong mixing ratios I found out when I contacted the supplier about where my pumps where at ( I know close at best) think I’m going to hit harbor freight today for a scale

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Redoak49

3986 posts in 2375 days


#8 posted 10-29-2018 10:17 PM

If you are mixing by weight, make certain you know the weight ratio which can be different than a volume ratio.

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