So, an example of application process when using epoxy primer to bare metal could be:. For further information, enquiries or advice about the decision to use etch or epoxy primer when preparing to paint your car, contact the professionals at Bodyshop Paint Supplies today!
Everything Cars Our Blog. Base over fresh epoxy is the best way to do it. Sand to atleast before epoxy sealer. Apply one coat evenly by brush, roller or spray, after proper surface preparation. Avoid over-brushing and over-rolling as Etch Primer is quick drying. Do not thin for application by brush or roller.
This unique self-etching primer formula has organic binders that replace conductive heavy metals such as copper and zinc. These organic binders will burn off during the welding process, leaving a corrosion-resistant self-etching primer for paint prep.
I would not use an self etching primer on plastic as it will sink. Try and get a plastic primer available in any autoparts store here.
The short answer is filler companies suggest it needs to go on bare metal, and epoxy companies suggest you put filler over epoxy so they can sell more of their product.
DTM can be applied directly to steel and then sanded just like a primer surface. Important Notes: On epoxies, some have an induction time. Think of it as they have to kind of get to know each other a little bit before they bond. By studying paint defects, you can identify possible causes in the workshop or garage and help find solutions to avoid such problems in the future Nav Menu.
Sell With Us Repairer Finder. Cleaners Detailing Kits Headlight Restoration. Repairer Finder Blog. Problems and Solutions. Loading Facebook Like button View Epoxy Primers Etch primers are convenient for the priming of all types of metal that require a very quick turn-around time. So, how do you choose if you use Self-Etch or Epoxy?
Some advantages of Epoxy over Self-Etch: Epoxy is very friendly user friendly and is very compatible with other products. Self Etching Primer. After you remove the rust scales from the metal on your car, you need to apply self etching primer. It does , however, prevent the rust problem from worsening. You need to make sure that you apply self etching primer to bare metal that's been thoroughly cleaned in order for it to be fully effective. Etch Primers are single pack metal primers formulated with a combination of resins to maximise adhesion to the various metal surfaces on which they may be used.
A low level of phosphoric acid is present in these primers to etch the metal surface and improve adhesion. Re: Can epoxy primer be sprayed over self - etching primer without ill effects? It's fine to spray epoxy over self etching. But self etching is mainly to slow down rust before you lay down your filler or other high build primers.
Asked by: Elisabetta Jacobsmuhlen asked in category: General Last Updated: 29th January, What's the difference between etching primer and epoxy primer? Self etching primer bonds well to bare metal surfaces and can be top coated in a short period of time. Epoxy primer can be applied in heavy coats which can be guide coated and block sanded to remove small imperfections in the body.
Epoxy primer takes longer to dry cure before it can be sanded or top coated. Can I paint over etching primer? You can't paint directly over etch primer. How long can you leave etch primer before painting?
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