Acrylic glues aren't new, they've been around for decades. Epoxy will give a bond as strong if not stronger than the material it's being glued to in the vast majority of cases, so in my book, that's good enough.
Acrylic glues can also attack some plastics through crazing, epoxies in my experience are completely inert in this respect.
While acrylic adhesives aren`t new, the technology has advanced rapidly over the past few years, we have been manufacturing acrylates and methacrylates since about 1993 and the bonds available today are far superior to other adhesives.
Methacrylates such as our superacrylate out perform almost any epoxy adhesive, the formulation possibilities are far greater with acrylic chemistry.
In general:
Acrylates or methacrylates cure at temperatures far lower than an epoxy, a lot of epoxys dont set below 10 deg C , ours does, but only down to about -10C without slowing cure a lot, our methacrylates still set at -80C with little change in cure speed
Once set methacryates have a far greater working range without either going brittle at cold temperatures or melting at higher temperatures
Most do not discolour with age
The overall strength including impact resistance is far greater especially if there is a big gap ( epoxies generally loose strength on a large gap )
The most important part for a small volume user of adhesives is that methacrylates can be formulated to be insensitive to mix ratio ( unlike epoxies that need to be exact ), our superacrylate is formulated to be an easy to mix ratio that can be out by along way and still set.
In general epoxys dont bond well to plastics, they can be formulated to bond better to plastics but acrylates and methacrylates give a better bond to plastics and metals than epoxies
The original type diy store formulation of methacrylates ( one pink one green usually ) is very out of date now , most are virtually colourless white/beige , they are not as clear as epoxys if they are toughened as the rubber tougheneing additives work by seperating out to tiny particles when they set, this makes them almost clear in a thin layer and cloudy in a lump.
We make epoxys and we make acrylics, both would do the job, but I would go for methacrylate as it is far tougher, longer life, and gives strength over a wide temperature range even on a gap[size=78%] [/size]But if you have the epoxy, use the epoxy it will work!
