5 replies to this topic

[pete l]

Hi all,

 

here in France I'm having a hard job trying to find a good Epoxy primer in a spray can. They do exist but in 2K form which means you have to use the can within about 12 hours once it's mixed up.

 

Does it exist in 1K form ? 

 

Pete.

[mini-geek]

No true epoxy is a not available in an arosol

[Daz1968]

There are 1k epoxy paints but unsure of composition as a true epoxy is a chemical reaction, just purchase some 2k epoxy and use a roller to apply, it will need flatting anyway

[bluedragon]

There actually are some true 2K paints and epoxies available in aerosol can format (Eastwood company is one company that sells these.) They contain the separate components in one can, and are activated by puncturing a seal in the can that combines the two parts.

 

But, as Pete is indicating, once this is done, the contents of the can have a limited lifespan and must be used before then. For a small or ongoing job, it may not be very economical.

 

One other option is to use regular epoxy and use a disposable sprayer unit (one common brand is "Preval", which has a French distributor) to spray the mixed epoxy. But of course at some point it might be more economical to invest in a cheap small compressor and gun. But if you're only going to need to spray a small area a few times, the Preval-type sprayer might be an answer.

[pete l]

But there are quite a lot of 1K epoxy primers out there

 

http://www.ebay.co.u...rimer &_sacat=0

 

 

Does this mean they are cac ? 

[bluedragon]

But there are quite a lot of 1K epoxy primers out there

 

http://www.ebay.co.u...rimer &_sacat=0

 

 

Does this mean they are cac ? 

 

Not necessarily, but it would be hard for a 1K epoxy to match the properties of a quality 2K product. A good 2K epoxy should have 1) greater film strength, such that you can apply body filler directly over the primer, and 2) the cross-linking of molecules by the 2K activator make it harder (virtually impossible) for moisture to penetrate the film substrate. Curing by room temperature alone will be hard pressed to achieve this type of molecular stability.

 

But if the 1K product is a reputable one, and is used properly, it should be fine, especially if the car is well cared for (regularly washed, salt not allowed to build up.) A good 1K may well be superior to the original primers (some of which were very low quality, especially on the Rover-era Minis.

 

 

Dave