Best Blasting Media For Sheet Metal

Key 1 for blasting aluminum blast media choice one of the greatest keys to successfully blasting aluminum surfaces is.

Best blasting media for sheet metal.

While aluminum is not as common to need to blast as other surfaces like steel it can be needed at times whether to remove paint off an aluminum bus or boat or something different there are a few key things to know when sandblasting aluminum to ensure you get good results. The distance between the top of the peak and the bottom of the valley is known as the depth profile. For thin metal like old coach style bodies i use 105 or walnut shell and 50psi. Contact finishing systems to learn more about your abrasive blasting media options.

When a sufficiently hard abrasive particle strikes steel it deforms the surface into a valley and pushes up peaks. I have 1 body shop and 2 custom shops that i do regular work for. Media blasting sheet metal can easily lead to warped and dented metal. Abrasive blasting which is the process of using specialized machinery to project or shoot media at high speed across a hard surface can be ideal for removing old finishes it can also power away rust or prepare the surface for painting.

When sandblasting rust away a good rule of thumb for media is to start gentle and step up. Mark simpson demonstrates the proper technique to use on sheet metal parts to ensure warp free blasting. Blasting media can be used for purposes such as cleaning stripping etching strengthening and polishing. The wrong media may damage the metal panels of your car causing small dents or other flaws.

Another excellent quality of aluminium oxide is its low prices and large quantities suitable for extensive sandblasting tasks can be picked up very cheaply. You just shot the stuff and hoped for the best but after a while people began using other products for blasting old cars that couldn t hold up to the regular sand. The final choice of media depends on the nature of the work required and on the blasting equipment that is employed. Here are 7 tips that can help you choose the best abrasive medium for your specific blasting applications.

However you must choose the sandblasting media carefully. Blasting media should be matched to the material you will be working on. Crucially it does very little damage to the unmarred metal beneath the rust layer making aluminium oxide an ideal media for blasting thin sheet metal and other relatively fragile metal objects. In addition to the media type grit or mesh size is another factor to consider for your application.

Sandblasting metal to remove rust or paint paint tool guides. I media blast cars. I use 70 silica or crushed glass 5 nozzle 70psi for most of the vehicle. In the u s the depth profile is measured by mils thousandths of an inch in the metric system the micron one millionth of a meter is used.

On hoods i tend to lower the pressure to 50psi.