hey guys I’m Nate welcome back to the
workshop not too long ago we made a
video showing you how to make a copy of
a vinyl record using a silicone mold and
some resin I used two types of resin for
that experiment the first of which I
didn’t put in a vacuum chamber because I
explained that it cured so quickly it
wouldn’t have time to de gas off the
bubbles well that made a lot of you
curious I guess
because several people commented saying
that they wanted to see what happens if
we put that resin in the vacuum chamber
so that’s what we’re gonna try out today
we’ve got my quick setting two-part
resin we’ll pour it off into a cup mix
it up and then we’ll put it in the
vacuum chamber and see what happens if
we let it cure while it’s in a vacuum we
have our vacuum chamber and we have our
resin so let’s get started I’ll be
mixing up our residents and clear
plastic cups with some popsicle sticks
and I also have these paper plates which
I’ve cut to fit inside our vacuum
chamber these are gonna go down at the
bottom of the vacuum chamber that’s just
in case any of our resins fills up over
the edges of the cup it won’t bond
permanently to the glass of our vacuum
chamber it’ll just be stuck to these
disposable paper plates instead cups
should balance nicely in the middle of
that and hopefully if we do have any
spillage it’ll land on the plate and not
on the glass to start with for our equal
amounts of each half of our resin now
before I put these in a vacuum chamber
just as an example so we can see what
changes let’s just pour one half into
the other mix it up and let it cure in
the cups this is actually quite a lot of
this resin to have in one cup it’s very
thick at this point and it’s not usually
designed to cast quite this thick we’re
gonna see what happens anyway now that
should just take a few minutes and then
it’ll start to solidify it’ll get
gelatinous and then turn hard feeling on
the sides it will also usually warm up
as it catalyzes they’ll be able to tell
when the process is starting is the
whole cup and start to get toast
looking down into it there are a lot of
tiny little bubbles so the vacuum
chamber really might do quite a bit too
for a honey consistency in this of a
boil consistency oh now it’s more of a
molasses consistency it’s getting very
hot oh wow and there you go now it’s
thickened up so much but it’s not really
even dripping off the popsicle stick
anyway there you have it that is now
catalyzed it is no longer liquid it’s
still curing it’s still very warm and
it’s still fairly soft like it’s a
spongy sort of solid at this point it
will eventually get to the point where
it’s completely solid just a hard
plastic resin now we know what it looks
like if we don’t put it in a vacuum
chamber let’s try it in the vacuum I’m
gonna have to move fairly quickly so
we’ll pour 1/2 of the resin into the
other stir it up and then put it into
the vacuum chamber throw the lid on and
get pulling a vacuum as quickly as
possible
here goes oh there we go we’ve got like
a foam forming on the surface now most
of the bubbles have broken at this point
so we’re looking like we just have a
resin that’s mostly degassed
it is still bubbling a lot so it’s not
degassed yet it’s kind of a race will it
solidify first or will the gas all get
pulled out of it first there are still
some bubbles coming out but the bubbles
on the surface don’t really look like
they’re moving and popping very much so
I think our resin has probably started
to cure already I think that’s it
I think our resin is no longer liquid
[Music]
couple little bubbles on the surface
looked like they popped but for the most
part that foam just sort of stayed in
place where it was look at this is nice
and warm I’d say it’s definitely started
to cure down here in our cup we have
this gelatinous bubble foam on top you
can see it’s cured these bubbles don’t
pop but they are a little bit squishy I
[Music]
hope that demonstrates pretty well why I
didn’t try to degassed
this type of resin before I used it to
cast a record by the time it’s pulled
all of the air out the resin has already
set and you can’t pour it into the mold
anymore there is a variation on this
experiment that I want to try a while
back I was playing around with what
different chemicals you could mix it
together because that’s my hobby and I
tried mixing some of this resin with a
little bit of clear Elmer’s glue and the
result I got was pretty surprising
[Music]
now as a comparison remember this is
what happens with the normal resin when
there is no glue added to it let’s watch
[Music]
hasn’t cured completely yet but it is
getting there it’s not liquid it doesn’t
fall out of the cup pretty close so
let’s try mixing up our same combination
of resin with glue in it and see what
happens if we have this reaction in a
vacuum
[Music]
oh we have a fast expansion now maybe
too fast to the lack of pressure is just
making it all destabilizing bubble
[Music]
there goes up and out this is why we
have the plate
[Music]
just kind of a bubbling foam red all
over
[Music]
the bubbling does seem to be slowing
down I don’t know if that means the
reaction is slowing down or if it means
that the reaction is getting near the
end and all of the bubbles are actually
starting to harden in place
[Music]
[Applause]
[Music]
there we go I think at this point our
resin has probably cured most of the way
so let’s add pressure back in and see
what happens to those bubbles that have
already formed not a lot of change there
we go it’s still somewhat soft but it’s
just all made up of bubbles is just like
a gelatinous phone almost at this point
I don’t know if I’ll be able to get out
from under the bubbles in this one so on
[Music]
there we go
barely any resin stayed in our cup
almost all of it bubbled out it spilled
out all over onto our plate to make me
very glad that I thought to put a plate
in there other than that yeah we just
have this sort of plastic feed sort of
squishy foam going on interesting stuff
glad we didn’t try making your record
out of this I don’t think you would have
played no ball so if it’s obviously
sticking to the plate quite a bit and I
can’t get it off but I can peel off sort
of the top layer that’s one heck of a
texture it’s just made of bubbles really
collapsed bubbles most of them popped as
soon as we added pressure back in there
we have it a whole bunch of varieties of
what happens with this resin if we put
it in the vacuum chamber we have our
standard unvaccinated
we have the same resin put into a vacuum
chamber and we got some good bubbling
action on the top it’s solidified with
all sorts of gaps and polls in it
showing why we didn’t try to vacuum it
before we cast our record with it we
then have the resin mixed with a little
bit of clear Elmer’s glue which makes it
foam up and bubbling bizarrely
so we get this very lightweight
low-density resin and then when we take
that same combination we put that in the
vacuum chamber it actually bubbles so
aggressively that it just comes right up
out of the cup spills all over and
doesn’t hold itself together nearly as
well I hope you have enjoyed these tests
of our resin in a vacuum chamber and
mixed with some glue if you have some
other ideas of things you want to see us
try let us know down in the comments
thanks for joining us for this video
today and remember to come gear yourself
up with hats shirts another cool merch
at the king of random comm see you there
[Music]
arian they are a little bit squishy see
you there hey guys did you know that
we’re on Twitter Instagram and Facebook
as well all at the king of random and
every platform has a different purpose
so go scroll through the histories check
out what we’re doing
[Music]
workshop not too long ago we made a
video showing you how to make a copy of
a vinyl record using a silicone mold and
some resin I used two types of resin for
that experiment the first of which I
didn’t put in a vacuum chamber because I
explained that it cured so quickly it
wouldn’t have time to de gas off the
bubbles well that made a lot of you
curious I guess
because several people commented saying
that they wanted to see what happens if
we put that resin in the vacuum chamber
so that’s what we’re gonna try out today
we’ve got my quick setting two-part
resin we’ll pour it off into a cup mix
it up and then we’ll put it in the
vacuum chamber and see what happens if
we let it cure while it’s in a vacuum we
have our vacuum chamber and we have our
resin so let’s get started I’ll be
mixing up our residents and clear
plastic cups with some popsicle sticks
and I also have these paper plates which
I’ve cut to fit inside our vacuum
chamber these are gonna go down at the
bottom of the vacuum chamber that’s just
in case any of our resins fills up over
the edges of the cup it won’t bond
permanently to the glass of our vacuum
chamber it’ll just be stuck to these
disposable paper plates instead cups
should balance nicely in the middle of
that and hopefully if we do have any
spillage it’ll land on the plate and not
on the glass to start with for our equal
amounts of each half of our resin now
before I put these in a vacuum chamber
just as an example so we can see what
changes let’s just pour one half into
the other mix it up and let it cure in
the cups this is actually quite a lot of
this resin to have in one cup it’s very
thick at this point and it’s not usually
designed to cast quite this thick we’re
gonna see what happens anyway now that
should just take a few minutes and then
it’ll start to solidify it’ll get
gelatinous and then turn hard feeling on
the sides it will also usually warm up
as it catalyzes they’ll be able to tell
when the process is starting is the
whole cup and start to get toast
looking down into it there are a lot of
tiny little bubbles so the vacuum
chamber really might do quite a bit too
for a honey consistency in this of a
boil consistency oh now it’s more of a
molasses consistency it’s getting very
hot oh wow and there you go now it’s
thickened up so much but it’s not really
even dripping off the popsicle stick
anyway there you have it that is now
catalyzed it is no longer liquid it’s
still curing it’s still very warm and
it’s still fairly soft like it’s a
spongy sort of solid at this point it
will eventually get to the point where
it’s completely solid just a hard
plastic resin now we know what it looks
like if we don’t put it in a vacuum
chamber let’s try it in the vacuum I’m
gonna have to move fairly quickly so
we’ll pour 1/2 of the resin into the
other stir it up and then put it into
the vacuum chamber throw the lid on and
get pulling a vacuum as quickly as
possible
here goes oh there we go we’ve got like
a foam forming on the surface now most
of the bubbles have broken at this point
so we’re looking like we just have a
resin that’s mostly degassed
it is still bubbling a lot so it’s not
degassed yet it’s kind of a race will it
solidify first or will the gas all get
pulled out of it first there are still
some bubbles coming out but the bubbles
on the surface don’t really look like
they’re moving and popping very much so
I think our resin has probably started
to cure already I think that’s it
I think our resin is no longer liquid
[Music]
couple little bubbles on the surface
looked like they popped but for the most
part that foam just sort of stayed in
place where it was look at this is nice
and warm I’d say it’s definitely started
to cure down here in our cup we have
this gelatinous bubble foam on top you
can see it’s cured these bubbles don’t
pop but they are a little bit squishy I
[Music]
hope that demonstrates pretty well why I
didn’t try to degassed
this type of resin before I used it to
cast a record by the time it’s pulled
all of the air out the resin has already
set and you can’t pour it into the mold
anymore there is a variation on this
experiment that I want to try a while
back I was playing around with what
different chemicals you could mix it
together because that’s my hobby and I
tried mixing some of this resin with a
little bit of clear Elmer’s glue and the
result I got was pretty surprising
[Music]
now as a comparison remember this is
what happens with the normal resin when
there is no glue added to it let’s watch
[Music]
hasn’t cured completely yet but it is
getting there it’s not liquid it doesn’t
fall out of the cup pretty close so
let’s try mixing up our same combination
of resin with glue in it and see what
happens if we have this reaction in a
vacuum
[Music]
oh we have a fast expansion now maybe
too fast to the lack of pressure is just
making it all destabilizing bubble
[Music]
there goes up and out this is why we
have the plate
[Music]
just kind of a bubbling foam red all
over
[Music]
the bubbling does seem to be slowing
down I don’t know if that means the
reaction is slowing down or if it means
that the reaction is getting near the
end and all of the bubbles are actually
starting to harden in place
[Music]
[Applause]
[Music]
there we go I think at this point our
resin has probably cured most of the way
so let’s add pressure back in and see
what happens to those bubbles that have
already formed not a lot of change there
we go it’s still somewhat soft but it’s
just all made up of bubbles is just like
a gelatinous phone almost at this point
I don’t know if I’ll be able to get out
from under the bubbles in this one so on
[Music]
there we go
barely any resin stayed in our cup
almost all of it bubbled out it spilled
out all over onto our plate to make me
very glad that I thought to put a plate
in there other than that yeah we just
have this sort of plastic feed sort of
squishy foam going on interesting stuff
glad we didn’t try making your record
out of this I don’t think you would have
played no ball so if it’s obviously
sticking to the plate quite a bit and I
can’t get it off but I can peel off sort
of the top layer that’s one heck of a
texture it’s just made of bubbles really
collapsed bubbles most of them popped as
soon as we added pressure back in there
we have it a whole bunch of varieties of
what happens with this resin if we put
it in the vacuum chamber we have our
standard unvaccinated
we have the same resin put into a vacuum
chamber and we got some good bubbling
action on the top it’s solidified with
all sorts of gaps and polls in it
showing why we didn’t try to vacuum it
before we cast our record with it we
then have the resin mixed with a little
bit of clear Elmer’s glue which makes it
foam up and bubbling bizarrely
so we get this very lightweight
low-density resin and then when we take
that same combination we put that in the
vacuum chamber it actually bubbles so
aggressively that it just comes right up
out of the cup spills all over and
doesn’t hold itself together nearly as
well I hope you have enjoyed these tests
of our resin in a vacuum chamber and
mixed with some glue if you have some
other ideas of things you want to see us
try let us know down in the comments
thanks for joining us for this video
today and remember to come gear yourself
up with hats shirts another cool merch
at the king of random comm see you there
[Music]
arian they are a little bit squishy see
you there hey guys did you know that
we’re on Twitter Instagram and Facebook
as well all at the king of random and
every platform has a different purpose
so go scroll through the histories check
out what we’re doing
[Music]
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