Acrylic Cement


I haven't found the WeldOn brand in EU.

Would that work as well?

ACRIFIX®, cement, 1S 0116

This is the technical brochure:

Or is this one better

ACRIFIX®, cement, 1R 0192

The 0116 is a viscous solution adhesive, the 0192 is a one-component polymerization adhesive


Got more info: the 0192 needs UV to polymerize, so only works with clear/transparent acrylic.

So for the blue and white I have to go with the 0116.



Right. Both of those options are with relatively viscous adhesives which I think would work, but we've been using a very in-viscus fluid that is drawn between interfaces using the capillary effect. Honestly, I don't any major reasons this adhesive wouldn't work, but I just haven't tried it yet.

I'm going to look into changing my internet settings to show only European results, and maybe I can help with finding materials, tools, and adhesives that will work.



Which WeldOn acrylic cement do you use/recommend?


Glueing Acrylic - Products & methods. Seems as if the active ingredient in Erics glue is likely Methylene Chloride (melts the two surfaces together) and aquarium builders have lots to offer in the various forums online for this. Most glue manufacturers publish material safety data sheets online for thier products which could be used to find what a glue of interest may contain. Some links



I asked a local plastics company for recommendations, they recommended Acrifix 0117, but they only sell it in 1l bottle quantities.. :).

Available in smaller quantities in the US though:


take a look on this:-)


Thanks :),

Bought these:


I had no luck finding Weldon 4 in Australia, or ACRIFIX. In the end I tested Plastruct Plasticweld, purchased from Hearns Hobbies in Melbourne, Aus.

I tested it on some waste, seemed to do the job. I'm using a 12 Gauge syringe chopped down as an applicator. I've got the body welded up, seems to be strong enough.


For those OpenROVers located in Europe, I can recommend this glue:

I sucessfully glued the inner structure and the e-chassis with it.

It is based on acetone (much less toxic than dichloremethane) and therefore it takes longer until full stability is reached (up to 24 hrs). But this was no big problem during work, since initial stabiltiy is reached after a couple of minutes.

It's crystal clear, water resistant, very robust (acetone also welds the acrylic components together) and it already comes in a bottle with a needle!

I did not try to glue the end caps with it yet - before doing this, I will make tests with some spare acrylic.



For those in New Zealand:

- Methylene Chloride is available from:

- I'm using blunt tip syringes from as an applicator. I crimped the syringe to reduce the flow rate even further, it's working well.

Anyone in Auckland that want's methylene chloride let me know - I've got about 10x as much as I need.

- Mike


Hey Mike, which of the Weld On glues did you get? I found WeldOn 16 in small tubes, but that was it.



I'm not sure if this is even a branded product. Modern Plastics manufacture on site, they put some methylene chloride in a bottle for me so I don't have any labels. It's the same stuff their fabricators use so it's good.


I'm checking out glue sources in the UK. Looked on RS components and found this (stock number) 144-383 which might be useful in that it indicated where these glues are used. 250ml bottles though.

Rigid Plastics (Acrylic) Bonding

A range of 3 versatile adhesives for the fabrication/manufacture of signs & point of sale (POP) displays when using acrylics, polycarbonates, high impact polystyrenes and PETG. The RS IGA range offers these 3 solvented adhesives in handy 250ml sizes to minimise wastage in smaller applications:

AB-1 – 1 part (single part) cement formulated to provide excellent bonding of small lap and butt joints on cast acrylics. It is also suitable for polycarbonate, high impact polystyrene and PETG and offers small gap filling qualities.
AB-2 – 2 part kit formulated to provide excellent bonding of all types of joints on the plastics mentioned above where an external exposure stronger bond is required.
AB-3 – 1 part (single part) cement formulated to provide excellent bonding of small lap and butt joints on extruded acrylics, polycarbonates, high impact polystyrenes and PETG. It will also give good results on cast acrylics. This water thin viscosity adhesive is ideal for use in by capillary action.
Pre-bond 1 – Solvent based cleaner in 250ml screw top can designed to clean & degrease the surfaces prior to bonding.


More searching. Bostik "Tensol 12" seems to be a trade name for the AB3 product. Also RS have the applicator bottles and needles, stock no. 229-4544


Weld on #4 is available with the needle applicator from Tankmates in the UK I’ve used it and it works really well. You can buy direct or from EBay


HI Mike

I've just ordered an OpenRov kit today, and looking further for materials. Do you still have the methylene chloride - and do you still recommend it for this project??

And whle I'm asking - I would appreciate any advice you have sourcing the Epoxy?



Hi Mike

If your offer still stands, I would happily take you up on it. I've just moved to Auckland and will be starting assembly of an OpenROV this week.

Thanks a lot.



Hi Ben
I got my acrylic from res solutions in portage rd Otahuhu. They also had an applicator syringe. They originally supplied it in a plastic container - not a good idea!!!



I have just ordered my kit and am also sourcing materials. I am sure you have got it sorted but I have found Dichloromethane that Mike mentioned at and for epoxy which was recommended as a substitute the other day. What did you eventually use?



PS I live in Nelson, NZ