Surface Preparation: Before and After Blasting
Updated: December 22, 2023If you're running a business in manufacturing or industrial sectors, abrasive blasting should be a key part of your daily operations. Although sandblasting is no longer commonly done with actual sand due to health and safety regulations, the process of surface preparation remains essential.
Abrasive blasting helps create the ideal surface for coatings to adhere properly, and in some cases, it can even deliver a final finish. Whether you're applying paint, powder coating, or another type of protective layer, proper surface prep ensures better performance and longevity.
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The Value of Proper Surface Preparation
One of the main reasons to prioritize surface prep is that skipping this step can lead to poor adhesion of any finishing material. If the coating doesn’t stick well, it may peel, flake, or fail prematurely, leading to costly rework and unsatisfactory results. Starting with a clean, properly prepared surface not only improves the appearance of your components but also enhances their functionality and durability.
Understanding Sandblasting and Abrasive Blasting
While the term "sandblasting" used to be common, it's now more accurate to refer to the process as abrasive blasting. This is because modern methods use a variety of materials—such as glass beads, aluminum oxide, and plastic abrasives—instead of silica sand. Each abrasive has unique properties, and choosing the right one depends on your specific application and desired outcome.
There are numerous blast media options available, including:
- Starblast
- Glass Beads
- Aluminum Oxide
- Silicon Carbide
- Plastic Abrasives
- Aluminum and Steel Shot & Grit
- Naturally occurring materials like Corn Cob and Crushed Walnut Shells
Each of these materials comes in different grit sizes, allowing for various finishes and levels of aggressiveness. The right choice will depend on your project’s needs and goals.
In addition to the media, there are several blasting methods to consider, such as air blast equipment, centrifugal wheel blast systems, and portable units. Choosing the right equipment can significantly impact efficiency and effectiveness.
Our team is here to help you select the best media and equipment for your specific job. Let us guide you toward the most effective solution for your surface preparation needs.
Cleaning After Blasting
After blasting, your surface should be clean and ready for the next step. If you’re not applying a coating immediately, make sure to protect the surface from rust, especially if it's made of iron or contains iron alloys. In some cases, using rust inhibitors can help prevent oxidation until you're ready to proceed.
It's also important to keep your abrasive media free from dirt and moisture to maintain optimal blasting performance.
Connect With Us at Finishing Systems
At Finishing Systems, we offer all the tools and materials you need for efficient and effective abrasive blasting. Our experts can help you choose the right equipment and media to achieve the perfect surface preparation for your project.
Whether you're looking for portable blast units, turnkey blast rooms, or blast cabinets, the right system can improve your workflow, reduce costs, and increase productivity. Learn more about our products or request a free quote by contacting us today.
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