Surface Preparation: Before and After Blasting
Updated: December 22, 2023In industries like manufacturing and industrial production, abrasive blasting is a crucial process. While the term "sandblasting" was once common, it's now more accurate to refer to the process as abrasive blasting. This method involves using various types of abrasives to clean or prepare surfaces before applying coatings or finishes.
Proper surface preparation is essential for ensuring that coatings—whether paint, powder, or other materials—adhere correctly. Without this step, finishes may not last, leading to costly rework and poor-quality results. A well-prepared surface improves both the appearance and performance of your components.
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The Importance of Proper Surface Preparation
One of the main reasons to include surface prep in your blasting routine is that skipping it can lead to coating failure. If a finish doesn’t stick properly, it could peel, chip, or wear off quickly, resulting in unnecessary maintenance and downtime. Starting with a clean, properly prepared surface ensures better adhesion, durability, and overall quality of the final product.
Whether you're working on metal parts, machinery, or industrial equipment, surface prep sets the foundation for long-lasting finishes. It also helps in identifying imperfections or corrosion that might otherwise go unnoticed.
Sandblasting and Surface Prep
Sandblasting and abrasive blasting are often used interchangeably, but the latter is a broader term. Historically, silica sand was commonly used, but due to health regulations, modern blasting uses a variety of abrasives such as glass beads, aluminum oxide, silicon carbide, and even natural media like corn cob or walnut shells.
Each abrasive has unique properties and is suited for different applications. Choosing the right material depends on the type of surface, the desired finish, and the level of aggressiveness needed. Our team can help you select the best media and equipment for your specific needs.
There are several methods available for abrasive blasting, including:
- Air Blast Equipment
- Centrifugal Wheel Blast Equipment
- Blast Cabinets and Portable Units
Let us guide you in choosing the right system to achieve the ideal surface finish for your project.
Cleaning After Blasting
Once the blasting is complete, the surface should be clean and free from contaminants. This ensures that any subsequent coating or finish will bond effectively. For iron-based substrates, rust can occur quickly if the surface isn't properly sealed or coated after blasting.
If you’re not ready to apply the finish immediately, consider using rust inhibitors to protect the surface. Also, make sure your abrasive media is clean and dry to maintain optimal blasting performance.
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At Finishing Systems, we provide all the tools and materials you need for effective abrasive blasting. From portable blast units to custom-built blast rooms, our solutions are designed to enhance efficiency and reduce costs in your operations.
Whether you're looking to upgrade your current setup or start a new blasting project, our experts are here to help. Discover the right equipment and media for your application, and experience the difference that proper surface preparation can make.
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