Protecting Bare Metal after Sandblasting: Significant Ways!

Sandblasting helps to remove erosion like powder coating, painting, or chroming from the surfaces. This one is an absolutely safe and competent method for the task. By applying a defending coating on the metal, you can make sure that they are now safe from oil or grease. The metal preparation should be entirely fascinating for paint adhesion and surface protection.

Sandblasting is effective for virtual metal or fiberglass-related objects. Car parts have a massive demand in this sector to create wonderful surface profiles from even to rough range. Protecting bare metal after sandblasting is necessary to make the appearance better than ever. You need to knock the corrosion off from the metal by applying the media blasting technique.

Media blasting is one of the finest ways to remove coatings and corrosion from the metal surface and makes it entirely clean. Consider the top three ways to protect metal after sandblasting.

  • Primer
  • Fast Etch
  • After blast


3M Primer 94 1/2 Pint | Car Wrapping Application Tool
824 Reviews
3M Primer 94 1/2 Pint | Car Wrapping Application Tool
  • Promotes adhesion of tapes to polyethylene, polypropylene,...
  • Can be applied using a .47 fluid oz. refillable marker with...
  • Can be applied using 4 oz. refillable bottle with felt tip...

Use a perfect coating to the outwards and seal the metal up. Using a good primer will ensure the metalwork effectively and the finishing task will be fast enough. Epoxy primer is considered the top bare metal primer. Moreover, the Self Etching primer is also popular in this segment. The basic purpose of this way is to seal out the rust and moisture by adhering to the surface. Make sure to use sufficient coats to create a solid base that lasts longer and won’t scratch off easily.

Fast Etch

After the PRE, this product comes at the top for use commonly. Fast Etch’s process is very simple to mist simply onto metal and wipe the additional space lightly of the surface. The fast etch will remove rust or corrosion in light measures to the surface and leave a zinc phosphate coating. This one is so operative for longer storage blasted parts and saves primer waste if additional metal works arrive.

After Blast

It has some similar categories like fast etch but acts little more gently. You need to spray it on the outwards and wait until oil, grease, dirt has been removed. A slight phosphoric coating is thereafter the sandblasting residue takes place.

Effective Protection of bare metal after sandblasting

Wrapping the metal from uncertain pressure helps a lot to protect them. The purpose is to save them from rust and corrosion by developing a shield fairly. Normally, we choose to sandblast the rusty portions and wipe them down with metal preparation later. Metal prep allows residue to be left off that contains rust for a certain period. That happens only if your car remains dry and neutralizes the residual dirt.

Primer contributes a lot to this work. You should use the primer politely to avoid wasting and false technique. Since the car requires to be coated within a limited time, the best primer and best hand are mandatory for the procession. In terms of primer, you should apply spraying on coat of clear to waterproof it properly.

Here are 3 strategies for protecting bare metal after sandblasting

  • Using a sterile water source
  • Make sure that substrate remains free from toxins
  • Rust inhibitor using

Using sterile water source

The water quality impacts highly on the bare metal protection. The chloride content of water is significant for the efficiency of the project. You have to remember that chlorine acts very reactively after oxygen. If you can successfully use the clean water for the metal protection, you might end up with success and there will be no need to try another method.

Make sure that substrate remains free from toxins

After the steel is formed, there remain some rust particles that you will find. In most cases, chlorides and salts become impactful for creating toxicity. If you can expose the fact of contamination, the elements will start to exploit rust and you can experience the victory. Sometimes the corrosion inhibitors can be mixed with clean waters and used for sandblasting. The method allows water to reach deep into the surface profile by wet technology and reveals a disinfectant surface certainly.

Rust inhibitor using

It can make the surface clean and pure in any condition. You can possibly take time for letting the bare metal into the oxidation process. Among a lot of varieties in rust inhibitors, before purchasing a sandblaster, ensure the specifications that enlist in your requirements accurately.

Surface prep for bare metal protection

Mothers 01224 CMX Surface Prep, 24 oz.
8,308 Reviews
Mothers 01224 CMX Surface Prep, 24 oz.
  • Removes waxes, oils, polishing residue and fillers
  • Promotes an optimal bond for lasting ceramic protection
  • Silicone-free, anti-static, residue-free finish

Sandblasting can be a non-professional activity for yourself but the impact of this thing is massive. You must be aware of the key facts of surface prep for protecting the bare metal successfully. Leaving your surface in a whatsoever condition never encourages clean metal protection. You must ensure a rust-free environment after sandblasting.

Right measures will leave your metal at a perfect protection point and prepare your substrate nicely for a succeeding finish. In a few cases, you are allowed to utilize corrosion preventatives for an unpredictable finish. Time is a big factor here to understand how the thing is working.

Adequate metal protection seems impactful for the upcoming challenges. if you can apply the right solutions with accuracy, it will enhance the durability of metal coatings. Without perfect synchronization, the most dependable method will be in failure even. Protect your metal safely to enjoy a joy ride anytime anywhere.


Cleaning the surface makes the protection level strong for the future. You can consider mineral spirits and other chemicals to remove oil and grease. The dust should be removed with clean and warm water gently. There might be peeling paint that also requires removal. The wax and polishing will be effective in that case. Just make sure you won’t face any paint adhesion complexity. Most vitally, the primer will be your biggest assistance to finish the work successfully.

Leave a Comment