Diy pressure pot for resin casting with test casting

[@fivelittlescholarsca118]

I've watched and watched so many other DIY pressure pot builds with various materials and I really like the simplicity of this design. Surprisingly I was able to find everything at our local Canadian Tire but give me Bunnings anyday! I will be using ABS though as the 4" diameter (100mm) is non existent in our little town. Thanks for sharing this build, it's greatly appreciated.

[@kimwatchesstuff]

Just watched one done with a bucket, but this seems much stronger and safer. Can't wait to try this out!

[@LolaClark86]

Omg. This is the easiest I've seen. I've wasted so much resin bc of bubbles and I've tried everything but a pot was too expensive but with this I cant wait. The fact u can use a bike pump is awesome. I have an air thingy I bought for the old mans garage so I'll use that. Thank you so much

[@RockyGems]

Holy cow, it's that easy? To the hardware store!

[@cheroso1000]

Could you find those fittings?

[@scottwillis5434]

Cool design! Just keep in mind that PVC can shatter, especially if left exposed to sunlight for a long time (UV will degrade the plastic after some number of months or years), frequently pressure-cycled or has a weak point, and will throw dagger-like shards.

[@CarlJacobson]

That's awesome Ben! Great video thanks, I'll be making one.

[@BensWorx]

Thanks Carl!

[@rmar127]

You know you’ve made a great video when you get a comment from Carl Jacobson. That must have made your day.

[@bretteballantine2596]

What products do you need to make one

[@lynn7049]

Wow! I've been needing a pressure pot but have a tight budget. I think I can do this.

[@ericness9660]

I wanted to try casting a few clear dice, but couldn't justify buying a pressure pot just for those few dice. I'm going to build one of these, thanks so much for sharing!

[@meridius4510]

How did it go? Were they clear?

[@donvanco3078]

It might be worthwhile to try testing the bursting strength and/or the safety release pressure by putting the unit in a bucket, or a cage of chicken wire, then put it up to full pressure past where you'd normally operate it. Cool test on the cheap!

[@BensWorx]

Good idea Don! I’ve made smaller pressure chambers before that have held over 60psi, but it still would be nice to know

[@MrPaw45]

If you're going to pressure test, fill with water first.

[@TemplarIRL]

MOST PVC has a pressure rating already, typically something over 100PSI

[@nathanjaremco1362]

@@TemplarIRL that is liquid pressure though, and gas pressure is VERY different, as gas expands/compresses a lot more under pressure, There are TONS of warnings against air pressure in PVC, and rightfully so, as you're basically making a pipe bomb. Though they still aren't super safe spending a 100$ or so on a cheap paint pressure pot would be leagues safer. with things like these some extra cash is much preferable to perforated organs.

[@robmcgregor3938]

@@TemplarIRL This PVC is used for gravity not pressure pipelines. These pipelines are tested for leaks to 15kpa (2.175 PSI) a long way short of 60-80 psi needed to remove bubblesPressure vessels in Australia MUST meet Australian Standard 1210 Pressure Vessles

[@JK_Vermont]

I was just thinking about whether something like this could be done & it's so great to see how you did it, so thank you!

[@NicnacSaurus]

Thank you so much, the irony is i just want to cast a ball in my ice mold for a new shift nob in my jeep. My $1 bouncy ball is starting to split after a couple years baking in the sun. Hoping to find a good UV resistant epoxy as well.

[@medicsamurai8394]

Where did you get the caps? I have been looking in stores and online and I can’t find them.

[@miked28711]

Truly exceptional work

[@xxtotallyrandombrandonxx3093]

Where did you find those caps I can’t find any with seals to save my damn life

[@raejames8536]

They don't even sell the screw on caps at Home Depot. You could probably go d a strip of rubber and do it yourself though

[@GENcELL2014]

This is really cool! Especially the low pressure working as well as it did on such a thick cast! I'm making a fairly large resin enclosure and need a 25 gallon or larger pressure pot/tank. Pretty sure I can get away with low pressure casting which should dramatically decrease the pressure vessels cost!

[@BensWorx]

👍

[@GENcELL2014]

@@BensWorx Was considering 24" pvc pipe and fittings until I noticed how much they cost 0.0 I'm thinking my only option is to buy 24 inch steel tubing, weld on supports and end plates or flanges and mill a threaded steel lid with gasket/o ring. Or use the over sized wing nuts and bolts approach for clamping the lid down.

[@BensWorx]

Have you seen my video on converting a paint pressure pot?

[@GENcELL2014]

@@BensWorx Yes, was looking at a 15 gallon CA technologies ressin casting pressure pot with 14.5" internal diameter, and 21.5" internal depth. But even that is to small for the larger castings I'll be doing. Length is good, it's the diameter that is too small and honestly cube or rectangular prism has a better footprint than a cylindrical pressure chamber. Found a company called "PTI" or "Pressure-Tech inc.", they make custom pressure chambers/vessels. Having someone experienced make the chamber is only way I'll feel sort of safe around it when it's under pressure considering how large it is.

[@cheroso1000]

It would be nice top have the specs on those plumbing, it's not been easy top find it here in Brazil

[@alphacat4927]

Dude I love your shows I watch your videos and it doesn't even bother me that your from New Zealand.

[@BensWorx]

Hahaha ok thanks

[@GaryMcKinnonUFO]

I can't find pipe with that large diameter in the UK, at least not with threaded end caps. Is there a name for it that would help me search, i no very little about plumbing apart from hooking up washing machines and bleeding radiators!

[@metroworks8727]

Great idea! Have you got a parts list for this?

[@Xw3dn3sd4yX]

I'd love to use those parts as well but I'm not familiar with plumbing/air parts so it'd be super handy to know exactly what parts are used!

[@JulietVorster]

This is awesome. I’ve been wondering if it would be possible to make a DIY pressure pot. Thank you for making it so easy. :)

[@BensWorx]

No worries Juliet, have a great day

[@beardedwoodpecker]

Great!! I will have a go Yiannis (Athens Greece)

[@BAILEYWOODWORKS]

That is a nice little pressure pot!

[@mrzombie4226]

awesome idea this would be a great tool for knife making you should try making hybrid blanks and see how it comes out

[@BensWorx]

Thanks Mate! I will give it a try

[@badhonebrahim7707]

this was really nice and easy build

[@matahariapi2942]

Love you so much ben's... This is the way i need! Cheers

[@byronwilliams5743]

Great video Ben. I’ve hit the subscribe button after watching. I’ll definitely be giving it a try.

[@BensWorx]

Thanks Byron!

[@peterwillis9864]

great work, was just looking to buy a pot from the US, will be trying this first.

[@BensWorx]

Thanks Peter

[@sudhirpatil2870]

Great! I never knew it is so simple!! good job-

[@BensWorx]

Thanks Mate

[@sapphodesigns2377]

Mate..that’s a creat build👏👏👏

[@BensWorx]

Thanks Mate!

[@derekturner3272]

If you add an inexpensive adjustable pressure relief valve, which you can set from 0-100psi, it will make this setup much safer. Pressure gauges fail and most accidents happen when filling and rapidly overshooting the vessels max pressure. If you stay around 30-50% of rated pressure and have an AUTOMATIC relief valve, it's much harder to get yourself into hazardous territory. But I'm confident it can still be done.... Gene pool what it is today....

[@KagedCreations08XX]

yup, i'll need to make one of those

[@MaMaTArtlife]

I've been thinking about getting a pressure pot, maybe I'll just make one. Great video sweety

[@BensWorx]

Thanks MaMa!

[@GaryMcKinnonUFO]

Nice and easy! Cheers Ben, liked and subbed :)

[@TheWoodYogi]

Great job and good test example to go with it :) Thank you ॐ

[@BensWorx]

Thanks Mate

[@robertsparks3584]

So this is a pressure pot for acrylic denture curing. Do you add hot water to it or just pressurize air

[@ericlavigne7205]

Just can’t avoid loss of air by the top of the container. The part that you screw. Any idea to solve this?

[@royshaft]

Thanks ben . I'm going to re-purpose an old pressure cooker , similar method but in strong aluminium. I was thinking of 40 P.S.I. untill i watched this .

[@BensWorx]

👍

[@cheroso1000]

Rob, did you made the pressure cooker one?

[@royshaft]

@@cheroso1000 No , couldn't get one from anywhere , they have gone the way of the dinosaur . Made one out of soil pipe ( 160mm ) in the end . 500mm of pipe , one end a stop end and the other end a screw off end . I put a car tyre valve in the stop end and pressurised with a regular 12 volt tyre pump. All worked well and 40P.S.I. was achieved easily . I would say to be careful though because i could see the plastic bulging at that pressure . I wouldn't trust it to work over and over .

[@cheroso1000]

I simply can't find these pipes anywhere, did you buy it online? Can you send me a link? I'm in Brazil so it would be harder to find it here out of the blue.

[@royshaft]

@@cheroso1000 Sorry fella , i'm in England and even corner shops sell this pipe stuff. Brazil you say , lucky you ! Here in blighty it nearly snowed this morning and there was a frost .I'm sure you can at least enjoy the weather while on lockdown . Good luck with your pipe hunting , but the carriage from here to you would be in the hundreds of pounds my friend .

[@soulkandi679]

Wow. You are my hero. Thanks! Off to my nemesis HD to get the pesky bubbles out. Any ideas for larger pieces?

[@KiwiKeebs]

I just tried this with some 110mm pipe fittings from the hardware store, got it to 18psi and got some creaking, then the bottom cap (i didnt do double screw ends) just flew off like a rocket. Safe to say I may have jumped a little. Time for more cement I think!

[@MattJoyce01]

Same happened to me. I wasn't smart enough to lay it down either, whole tube jumped up, and if it wasn't for the pump hose would have hit me in the face.

[@nastehproductions]

Is it possible to make a square pressure chamber for resin?

[@crustaceankid1183]

You can use schedule 80 PVC to safely scale up the pressure, if wanting to. But great video, making one soon

[@BensWorx]

Thanks Mate

[@SepticeyeSammi]

I appreciate you posting a how to. Im too broke to afford one of those $200 ones. But this, Im sure I can afford. Ps I love your projects!!

[@BensWorx]

Thanks Sammi

[@SepticeyeSammi]

@@BensWorx keep up the great work!! Im gunna try to use your method for a dragon egg without the lathe(i think thats how to spell it, if not my bad. Lol) my husband introduced me to your channel less than a week ago and ive been watching all your videos!! Ive just started getting into resin crafts and its sooo much fun!! But so expensive. Hahaha.

[@BensWorx]

Awesome it’s really fun

[@Upuauta]

Do I understand it right? This works with pressure? Not with vacuum? If so - which one works better pressure or vacuum? From this video if it was with pressure it seems to work as good as a pressure vessel. Very interesting.

[@dman375]

What's a safe max pressure for this kind of project? I image you can get a safety release valve that kicks in at lower pressure.

[@BensWorx]

20 psi

[@nickslayer4368]

You sir are a genius!

[@BensWorx]

Thanks Nick!

[@STLUlrich]

I cannot find those caps at any hardware store here in the US. where can i order them?

[@twigletts8433]

That's amazing and fantastic results will be make one of these to have some fun and extra dont cost the earth to make

[@BensWorx]

Yeah they’re awesome

[@twigletts8433]

Ben's Worx do you think there would be a way of making a bigger one now proof of concept has been done still doing this method

[@BensWorx]

Oh for sure!

[@twigletts8433]

Ben's Worx do you think it would stand up to being a vacuum chamber pressure or do you think could make one that would be ace to see

[@BensWorx]

Maybe I will have to source a pump and try

[@shadesmadness4399]

Will this work to get silicone bubbles out as well

[@LeggoMyEggo89]

What kind of resin did you use? I'm wondering why they came out hazy instead of clear?

[@bigb333]

I don't know if you still are looking for an answer, but for anyone else who comes across this, the haziness is due to the mold surface that is in contact with the resin. If the mold itself is shiny, then the resin surface will be shiny too. The haziness can be sanded down though to reveal the shine.

[@shattonzubieta9533]

Am i able to put an actual cup of open resin in here to release the bubbles prior to pouring? Same goes with any open molds, do i have to leave it in overnight? And also can i put open olds into this. Without the pressure pulling all the resin out of the mold? Someone please answer id like to make on of these asap!

[@DaveGDesigns]

Wow what a great idea especially when a pressure pot costs the thick end of £200 well done Ben 👍🏻

[@BensWorx]

Thanks Dave!

[@SirChoccyMilk]

Bro, thank you so much for this tutorial. This is exactly what I need for my upcoming projects

[@BensWorx]

No worries mate

[@popeye3212]

Might be late to this vid but how much pressure max can this hold?

[@kellyolsen5205]

Where can I get the caps in this video?

[@TechSavyMom]

What would you say the max psi would be?

[@HaunterMan]

I couldn't find the lids with the seal, so I made mine with a female coupling with threads and a Male end cap. I am trying to use ptfe thread sealing tape so air doesn't escape, but it falls off every time i take the lid off. What should I do?

[@ikkiiiieee]

did you solve it?

[@HaunterMan]

@@ikkiiiieee honestly no, but someone actually gave me a pressure pot so I no longer have use for the one I made similar to this.

[@jean-louisletiti9163]

Hello, if I understand correctly, are you putting pressure? I thought that on the contrary it was necessary to remove the air, can you explain to me please? and congratulations on your production

[@kathleenconway761]

Well I'm off to bunnings today 😁

[@philsmith5786]

Great video 👍 thanks, I’ve just got all the things to make one but I have got 6” pipe,? hope it works just thought it mite give more options for different projects

[@BensWorx]

👍

[@houtjeboom]

Love it.... gone try this !!!! By the way what resin did you use? Thanks for sharing

[@BensWorx]

Hi Mate! Thanks, i use an art cast resin from www.justresin.com.au

[@evanpennock1301]

Possible I missed it but what was the diameter of pipe used?

[@chris437]

Thank you Ben!

[@BensWorx]

No worries mate!

[@sakura_pompadour]

can't for the life of me figure out how to get a seal on that lid. epoxy and duct tape were my first decisions, clearly imperfect, but it was better than nothing I guess. I've heard about vaseline, so I'll be trying that later, and I'm also considering something like flex seal or any other liquid rubber type thing. Are there any other potential solutions to improving the seal? I'm also heavily leaning towards filling the lid with silicone.

[@sakura_pompadour]

and against all odds, i come back. did most of these things. filled the lid with silicone, vaseline'd the threads. all to mediocre success. had several successful batches of silicone, but when it came to resin, i discovered that the cracking/farting noise was coming from the lid, which was leaking air through the vaseline, thus producing the sound. no idea why. i tighten the lid with all the might my body provides me, but alas, the air still finds a way out. my best guess is that the seal is broken due to debris and i need to clean the threads thoroughly and reapply the vaseline. will do that later, but man, just buy a pressure pot.

[@antonioperez-ch3mx]

Somebody know how I can order the parts, I'm looking in many places. But I can't find the parts.

[@tobiasweber2517]

amazon/ebay

[@espositogregory]

antonio perez this will sound like a joke, but seriously: I found two sets of gauges and pressure release valves at my local dump.

[@Heartwing37]

I would so buy this!

[@jamestaylor5143]

What was your source for the end cap with gasket? I cannot find one anywhere and I'm having issues with leaking at the threads even with using Teflon tape.

[@joni22262]

Love it...did you see the video on the 3.5 pickle barrel. It goes to 20psi. So I like yours I like his and I’m thinking about using my old pressure cooker. What do you think.

[@Soupie62]

I have a 5 litre hand-pump weed spray bottle, wonder if that would work...? Probably not as good, the pump takes up space is inside the bottle.

[@stevebak6664]

Ben… did you tap threads in the cap for the pressure guage?

[@hybairion6039]

I actually made this but I had to get real creative as I couldn’t find the same type of pipes. Which brings me to my issue. Instead of caps I had to use a Charlotte cap and plug. In order to keep air from escaping I culled around edges. My problem lies with the last plug, I obviously can’t culk around it because I need it for the opening, but air is escaping so I can’t build pressure. Any suggestions?

[@KuroiHato69]

This is brilliant! Thank you!!!

[@BensWorx]

👍

[@mcorrade]

Hey Ben this is a great little pp for my use. Question? Is the 18 psi the standard or do you normally go higher? I think I remember seeing you use 50 on your tank but that may be too high for this unit right?

[@Rogerthat10-1]

Awesome! Just subscribed

[@BensWorx]

Thanks Mate

[@will.ledwidge]

Hi ben do you think i can salvage a bike valve from a bike tube and use that instead of a car one like you had ?

[@BensWorx]

I think it would be difficult to get a good seal but it’s possible

[@will.ledwidge]

Ben's Worx i guess ill just chuck a tube of silicon around it 😂 that should seal it

[@gremics-gallery]

Hi Ben, What would be an ideal pressure for acrylic resin. What would be the max pressure for your set up in this video? Thanks

[@mszoomy]

I'm do tired of bubbles in my resin projects but this is too small for some of my pieces. I've thought about somehow fitting up a pressure cooking pot with gauge and valve. Any ideas if that would work?

[@vivalamac]

Great video!! Now does anyone know where I can get this stuff in the UK? I've been to all my local diy stores and been looking online for days and cannot for the life of me find all the parts? All I can find is the middle pipe. No couplers with threads or end caps with rubber seals.

[@BensWorx]

Thanks Marc! Do they have a bunnings in the uk?

[@vivalamac]

Ben's Worx I did google them and apparently so but their website wasn't the best so either I couldn't find the right stuff or they didn't have it altogether. I decided to just look on eBay for 'pvc pipe' and after about 10 pages of searching I think I found the correct stuff so I'm hoping it works. Cheers 👍🏻

[@BensWorx]

I’m glad you found them, Bunnings website is pretty bad but if the store is like the ones we have here in Australia they will have what you need, hope you get it worked out Mate

[@vivalamac]

Simon Powell sorry only just seen this. Can’t find the exact seller but if you search ‘110mm soil pipe’ then you should find everything you need 👍🏻

[@cheroso1000]

I'm also frustrated, can't find the correct piping for this project nowhere

[@user-fc3sx2cw5x]

*Question*- After sanding and polishing both spheres, does the one with lots of bubbles have its bubbles disappeared and became nice and clear? I am just wondering because I want to know if those bubbles I saw in the video are only on the surface of sphere (I.e. easy to get rid of) or if they are inside too (no chance to get rid of them all and achieve a crystal clear look).

[@BensWorx]

No they will stay, the bubbles are all the way through the cast

[@silvercloudx]

Thanks for the video. This is awesome and such a money saver! Are the majority of these parts available at Bunnings? Also I was just wondering what size drll bit did you use for the pressure gauge to just screw in so easily like that?

[@adriandaniels8458]

Hi. Not sure if I will find something suitable with thread. Was thinking of using a glass jar with threaded lid. what say you using this with low pressure?

[@BensWorx]

I wouldn’t recommend it. If the glass has a weak point and breaks under pressure it could get nasty

[@andyschofield3144]

Finally got a seal on the threads using ‘potable water compound’ if that helps anyone. Just held 20 psi for 6 hours

[@BensWorx]

Nice 👍

[@nickwright6000]

Hey Andy, did you use this 'potable water compound' on the thick PVC thread? And did you use it on the cap you're screwing on and off? I'm assuming it's a pretty strong glue, so how did you get the cap off again!? Cheers mate!

[@lawsonduggan2521]

Have you tried seeing what the max PSI is for this?

[@derekkat7693]

Do you have to leave it in the pressure pot to cure

[@Cube-sb9tp]

It is recommended

[@kernowcoinringscornishcoin3999]

Hi could you tell me where you got the parts for this pressure pot Regards Paul

[@BensWorx]

I got the pot from Super cheap auto, and the fittings from bunnings Edit: sorry mate I thought this was the steel pot, I got the pvc pipe from Bunnings’s and the guage and pressure relief valve from a brewery supply shop and the tyre valve from a local tyre fitting shop

[@ridwansyaifullah6614]

What was that thing on side compressor meter?

[@TikkaT3Shooter]

Awesome thanks mate

[@karolmez1]

Do you think that a freshsaved works the same with the bubbles of the resin in small quantities maximum 10ml?

[@BensWorx]

Hi Karolina, I’m not sure I understand what you mean

[@bentebrunsvelt319]

Thanks i make pot and workt Thanks from holland

[@BensWorx]

No worries mate! :)

[@alexanderdoh9311]

Hey. Where do you buy the Parts in Holland?

[@daedelus_]

Love the idea, so simple. Unfortunately what I saw isn't what I got. The lid keeps leaking air, still trying to find a solution for that.

[@BensWorx]

Try putting some vaseline on the seal

[@daedelus_]

@@BensWorx Hey Ben, thanks for your reply. I expected the vaseline to be pushed out as well. Will give it a try when the new caulk is dried up!

[@daedelus_]

Little update: The vaseline was a good improvement, but unfortunately I've tried multiple times and still couldn't get it to a proper seal. Soooo instead of wasting cash on something that didn't work for me, I've decided to buy the (cheap) paint-version. Modified it today and currently testing the seals with +-45 psi (3 bar). Quick tip for people who are looking for this as well: It really makes a difference to check around online shops. Using the same EAN number i've seen prices between 150 euros and 250 euros for exactly the same model.

[@LostInfernoFireDragon]

Hey Ben do you think you could do a video of you making a shelving unit, so you can put it in to the pressure put so you can fit multiple molds into it.

[@BensWorx]

I’ll make one for Instagram 👍

[@LostInfernoFireDragon]

@@BensWorx okay because I am actually planning on making this next month.

[@LostInfernoFireDragon]

this is a really cool video.

[@BensWorx]

Thanks

[@LostInfernoFireDragon]

@@BensWorx your welcome, because I am going to be need this for a future project.

[@suesmith9202]

That's fantastic thank you

[@arshadmahmood2834]

Well done

[@royalcactusfruit5200]

What size thickness are the pipes

[@alexd-184]

Buen vídeo❤

[@BensWorx]

Thanks!

[@ConnieConnie824]

Awesome Video! I've been trying to figure out though, how I could put more than one thing at a time in it. I thought of a design that I think will work and I am going to be making this week! I'm going to do exactly what you did, except I'm going to make it taller, and instead of the single caddy you made to get the casting in and out of the pot, I'm going to make a multi level caddy. What do you think?

[@BensWorx]

Sounds like a great idea Connie 👍 I would love to see some pictures when your finished

[@ninja_haiku]

Did you ever make the multi level caddy?

[@ConnieConnie824]

@@ninja_haiku Yes I did, came out great!

[@ninja_haiku]

@@ConnieConnie824 That's great to hear! I'm getting ready to make my own custom design too, are there any pitfalls I should watch out for?

[@ConnieConnie824]

@@ninja_haiku I used pretty thick wood, which is ok for what I do. But you might need to use thinner wood for more room. You definitely want to measure your tallest mold and make sure it fits on one of the lvls.

[@godessi4714]

Will it still work if I make it longer?

[@luodadesign6448]

Great tool, but what exactly does this to the resin? thanks

[@BensWorx]

Hi, it removes the air bubbles

[@luodadesign6448]

what would be the minimum period to get the bubbles out?

[@BensWorx]

Depends on what type of resin your using, generally just until the resin is set. This could be an hour or up to 4 hrs

[@BlackGlassWizard]

Actually it does not remove the bubbles. The pressure crushes the bubbles down to microscopic size so they can't be seen with the human eye.

[@gregh7387]

What works better, pressure or vacuum?

[@alannagilchrist1392]

hi ben, could i use this to remove the resin from my mixing cup, then take it out and pour? or does it need to be inside the chamber for the full cure time for the bubbles to pop??

[@mouseas]

Pressurizing resin doesn't pop bubbles, it shrinks them down until they're microscopic. Once the resin cures the compressed bubbles can't expand.