Media Blasting FAQ’s | Eastwood Blog


Posted: August 27, 2020 By: MattM

There are a number of options for abrasive blasting primarily based on the state of affairs, and Eastwood has you coated for all of them. Our stress sandblasters are a robust approach to grind rust off of frames, housings, chassis and different heavy-duty elements. For sheet metallic and different skinny metals, a soda blaster will take off paints with out destroying the feel. Blasting cupboards provide you with all-way small half stripping in an enclosed system to cut back mess. Or you may go for a siphon spot blaster that connects on to an air compressor for these on a decent price range.

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SODA BLASTING VALVE COVER

Many of us at Eastwood have quite a few tasks happening at a time. This is nice for a number of causes, certainly one of them is the possibility to always be testing and utilizing our merchandise. This permits us to make our merchandise higher and in addition provides us expertise in using our merchandise so we are able to go that data on to our clients. We determined to share our small tasks we deal with infrequently right here on the weblog in our Eastwood “Project of the Day” sequence…..READ MORE

5 TIPS TO MAKE YOUR BLASTER WORK BETTER

Media Blasting is a fairly easy course of while you break it down into the fundamentals. You combine an abrasive media with excessive stress air and shoot it out of a small orifice in a gun/nozzle. Media blasting is extraordinarily efficient when you ensure you observe some pretty easy suggestions. In this tech entry we’ll cowl the fundamentals you want to observe when blasting with a stress blaster…..READ MORE

HOW TO CLEAN VALVES AND INTAKE WITH A MEDIA BLASTER

Modern engines are sometimes direct injection, as this course of permits for benefits in gasoline consumption as in comparison with standard gasoline injection, in addition to yielding extra energy with an engine of an identical displacement. The N54 engine of the BMW 335i and 135i are also direct injection; this implies specifically that the gasoline is injected immediately into the combustion chamber of every cylinder and never within the consumption tract. As a consequence thereof, the gasoline injectors are not any extra positioned earlier than the consumption valve, however immediately within the cylinder itself….READ MORE

HOW TO REDUCE MOISTURE IN AIR LINES

Using Pneumatic stress to function instruments is an absolute should in your storage, however most of those instruments DO NOT like extreme moisture combined into the air. Moisture within the air traces may cause rust the within of the air tank or air traces and even your air instruments. Excessive moisture in your store air may cause a lower in efficiency in addition to untimely failure of the pneumatic device. If you’re utilizing a paint gun it might probably additionally permit the moisture to creep into the paint gun and contaminate your paint job. We determined to place collectively an inventory of the explanations and corrections to chop down the moisture in your air traces….READ MORE

HOW TO PREP METAL FOR POWDER COATING

Much like portray and welding, making ready metallic for powder coating is multi step course of that have to be adopted with a purpose to have one of the best outcomes. If any of those steps are missed or not performed correctly your finish product will danger having flaws…..READ MORE

ABRASIVE BLASTING FREQUENTLY ASKED QUESTIONS

(Q) What’s the distinction between stress and siphon blasters?
(A) Simply put: velocity. Using the identical quantity of air, pressure blasters do the job in lower than half the time it might take a siphon blaster. This is feasible as a result of the stress blaster makes use of air stress to push, in addition to siphon, the abrasive to the nozzle. Pressure blasters value greater than siphon items, however are nicely definitely worth the added value if used often. Eastwood sells stress blasters to satisfy any want, together with our hobbyist model 150-lb. Pressure Blaster and our professional model 100-lb. Pressure Blaster.

Siphon blasters depend on the suction that’s created to tug the abrasive by way of the pick-up tube and into the air stream. The coronary heart of the siphon blaster is the suction head meeting. This “T”-shaped piece is the place just about all the wear and tear happens. The Speed Blaster is a hybrid design, utilizing each siphon and gravity for a extra environment friendly circulate of media to the nozzle.

(Q) How a lot air is required to make use of an abrasive blaster?
(A) The precise air wanted is set by the nozzle choice. All of our blasters, apart from the Speed Blaster, will be tailored to run on as little as 7 cfm (cubic toes per minute) at 80 psi (kilos per sq. inch) utilizing the smallest nozzles we promote. When choosing a nozzle use the biggest dimension your compressor will energy. See the nozzle selection chart for extra particulars.

It’s additionally necessary that the air provided is dry and oil-free. Moisture and oil mists may cause the media to clump and clog, resulting in sporadic abrasive circulate. We strongly suggest that you simply mount a Moisture Separator as near the blaster as potential for finest outcomes.

(Q) Which media ought to I exploit?
(A) If you’re utilizing a system that recycles media, Eastwood has a large assortment of specialised abrasives. Glass Bead and Aluminum Oxide are our hottest. See our Blast Media for particulars.

(Q) What about metallic warping?
(A) Metal will be deformed by abrasive blasting, particularly when utilizing excessively excessive pressures with the nozzle too near the floor! This danger will be minimized by utilizing the really useful pressures and sustaining a few 3″-6” distance, and holding the nozzle at a few 45° angle to the floor.

(Q) Can abrasive blasting be dangerous to my well being?
(A) When utilizing any blast media, make sure to use correct eye, respiratory and clothes safety, particularly if utilizing strange sand. Abrasive blasting with sand creates mud that may trigger respiratory injury often called silicosis. Use certainly one of our recyclable media as an alternative choice to sand and make sure to put on acceptable NIOSH-approved respiratory safety.

SODA BLASTING FREQUENTLY ASKED QUESTIONS

  1. Why use soda for stripping paint?
    Answer: Soda is a delicate but efficient technique of paint elimination and is a a lot safer various to hazardous chemical strippers. It’s additionally a lot much less work than sanding, and it gained’t hurt the bottom floor or surrounding glass, rubber or trim like abrasive blasting would. Since it’s light, you may even strip fiberglass, plastics and aluminum with out injury.
  2. Will the soda take away rust?
    Answer: No. Bicarbonate of soda ought to be thought of a stripping and cleansing agent. The soda crystals work by shattering on impression, which fractures and erodes paint coatings with out creating warmth or damaging the substrate. In truth, the unique floor is left clean and clear prefer it was by no means painted. If you additionally need to take away rust, take into account the Eastwood Dual Blaster that allows you to swap “on-the-fly” between soda and abrasive media, or a mix of each!
  3. How is the soda thought of a cleansing agent?
    Answer: Bicarbonate of soda is very efficient at eradicating grease and grime from engines, transmissions, gears, and so forth. Since it’s not an abrasive, it is not going to hurt delicate mechanical assemblies, wiring, traces and underhood elements.
  4. Is soda simple to scrub up?
    Answer: Yes, since it is just “baking soda”, it’s inert and water-soluble. Unlike abrasive media which have to be swept up, soda will be washed away. Of course it’s going to velocity up the method when you seize most of it in plastic sheeting. The solely environmental concern is within the eliminated coating particles.
  5. Can I exploit kitchen baking soda?
    Answer: No, you can’t. Even although the soda-blasting media is basically the identical materials as family baking soda, it’s provided in a bigger crystal dimension, and is handled to assist stop clumping within the stress vessel.
  6. Since a soda-blasted floor leaves no “tooth”, will paint adhere to it?
    Answer: Considering the truth that the manufacturing facility began out with clear, clean metallic when the elements have been new, and so they efficiently painted them, a correctly prepped clean floor is one of the best floor with which to begin a paint job.
  7. I’ve heard that paint can fail when utilized over a soda-blasted floor, why is that?
    Answer: Soda blasting leaves behind a high-quality movie of pulverized bicarbonate of soda on a stripped floor. This movie, though having the additional advantage of stopping flash rust on a naked metal floor, will have an effect on paint adhesion if not eliminated first. Since soda is water-soluble, a radical wipe down with cloths dampened (not soaked) in scorching soapy water, rinsed and wrung often, will take away this movie. This is a vital step that’s typically missed. As an added measure after wipe down, apply Eastwood Fast Etch to metallic surfaces earlier than portray.
  8. Is soda media reusable?
    Answer: Although soda-blasting media is usually thought of a “one and done” materials, and the bulk turns to mud upon impression, a specific amount will be reclaimed for reuse offered, in fact, it’s totally sifted, clear and dry. Otherwise the specifically designed precision passages within the soda-blasting equipment will grow to be clogged.
  9. How a lot soda do I would like?
    Answer: It’s troublesome to find out that reply since so many variables come into play: air provide quantity and stress, coating thickness and hardness, nozzle dimension, media grade and extra. A chart offering media utilization per sq. inch primarily based on nozzle dimension, air quantity and time is included in every Eastwood soda-blasting equipment’ instruction ebook.
  10. Does it actually work? Have you used it?
    Answer: Yes, it actually works. We have 100s of hours of check outcomes on automobiles, door panels, automotive elements, metal, metallic frames, forged iron, urethane, fiberglass, chrome and extra.
  11. How many baggage will I would like?
    Answer: Depends what you’re doing and the way large or small the mission. If you might be doing the average-size “muscle car”, it’s going to take Eight to 10+ baggage. It is dependent upon many variables together with paint hardness, layers, compressor power, atmospheric humidity, talent, element stage you are trying to realize, materials you’re blasting (metal vs. fiberglass), and so forth.
  12. How lengthy will it take to strip a complete automobile?
    Answer: Depends on the dimensions of the automobile and different variables. Average is 6 to eight+ hours.
  13. Which soda media ought to I get?
    Answer: For customary paint elimination on fiberglass or metal panels, or engines and associated elements, select the Automotive Medium Media 11806. For a automobile physique with a number of layers of paint, fillers, and so forth., select the Automotive XL Media 11807. For functions the place there’s floor rust or pitting, or you need a profiled floor previous to portray, use the Rust Removal Profile XL 50494.
  14. What is the distinction between the 50095 and the 50096?
    Answer: The essential variations are as follows: 50095 is designed for informal DIY use, has 100-lb. capability, and is imported. 50096 is designed for on a regular basis use, has 110-lb. capability, and is MADE IN THE USA.
  15. Why is the 11804 a lot costlier than the 50095 or 50096?
    Answer: It’s a significantly better industrial unit, constructed for the skilled person. The unit consists of an adjustable stress regulator to blast at high and low pressures; built-in water sprayer for mud management; industrial high-capacity hose and stress nozzle; ASME tank. It requires a high-volume, industrial compressor, and is MADE IN THE USA.
  16. Will it work with my air compressor?
    Answer: Hobby compressors is not going to work. You will need to have a compressor that may generate a minimal 20 cfm at 85 psi.
  17. How giant of an air compressor will I would like?
    Answer: You will need to have a compressor that may generate a minimal 20 cfm at 85 psi.
  18. Which retro-fit equipment do I would like for my sand-blaster?
    Answer: Our Universal Soda Blasting Retrofit Kit means that you can convert both a 3/8″ or 1/2″ stress blaster right into a soda blaster.
  19. What is the clear hose for?
    Answer: That is the purge hose used to empty unused media from the tank, and to clear a blockage ought to clumping happen.
  20. How lengthy do the nozzles final?
    Answer: Plain bicarbonate of soda shouldn’t be aggressive and won’t abrade the ceramic nozzle. We’ve been utilizing the identical two nozzles for the reason that starting of our assessments 100s of hours in the past with no seen put on. This will NOT be the case if you’re utilizing the Rust Removal Profile XL 50494.
  21. Do you promote substitute nozzles?
    Answer: Yes. Click here.
  22. Will soda media hurt the metallic?
    Answer: It will go away structurally sound metallic trying prefer it was by no means coated. You can strip the printing off an aluminum can with out damaging the metallic.
  23. Will it take away rust?
    Answer: For functions the place there’s floor rust or pitting, or you need a profiled floor previous to portray, use our Rust Removal Profile XL 50494.
  24. Is it secure to make use of on fiberglass?
    Answer: Yes.
  25. How do I get rid of the media as soon as it has been used?
    Answer: Sweep-up extra media and dispose residue correctly. Remaining mud could also be merely rinsed away with water.
  26. Will it make a multitude in my storage?
    Answer: Yes, as will any media that you’d blast. Keep in thoughts you’ll don’t have any hazardous fumes as with chemical strippers, and you don’t danger “black lung” as you’ll blasting with coal slag!
  27. Why is the soda media so costly?
    Answer: It isn’t – evaluate the costs. Bicarbonate of soda is a pure mineral that’s mined, refined and processed within the western United States, and is comparable in value to Walnut Shells and Glass Bead. It is less expensive than Silicone Carbide, Poly Plastic, Aluminum Oxide and a few Glass Bead media. The media you select ought to be primarily based on the top outcomes you want to obtain.



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