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If you want to achieve a whiter finish on sandblasted aluminum parts using high-alloy steel, it's important to consider the use of premium stainless steel abrasives such as stainless steel shot and wire cutting media. These materials not only enhance the surface appearance but also improve the overall quality and durability of the finished product.
Here’s some essential knowledge about abrasive consumables used in sandblasting equipment:
1. **Sandblasting Process**: This technique is widely used for various applications including rust removal from hardware, aluminum alloy blasting, glass etching (for a matte finish), plastic deburring, acrylic etching (for a frosted look), surface treatment of PC, PS, resin, casting parts, zinc alloy blasting (to create a rough texture), stainless steel blasting, stone material blasting, paint removal, weld removal, shot blasting, and more.
2. **Acrylic Sandblasting**: When the desired effect is very foggy, glass sand is typically used. For higher quality results, white corundum is preferred. If a balance between transparency and a soft matte finish is needed, glass beads are ideal. Sometimes, a small amount of glass sand is mixed with glass beads to achieve a slightly transparent and refined look.
3. **Stainless Steel Sandblasting**: It's crucial to understand the type of stainless steel panel being treated—whether it's polished, brushed, or matte-finished. For surfaces that require a certain level of roughness, brown fused alumina or white corundum can be used. If a smoother finish is required, glass beads or glass sand are recommended.
4. **Die-Casting Parts**: These are commonly treated to remove burrs using low-alloy steel abrasives. A shot blasting machine with cast steel shots or steel balls is often used to minimize surface scratches. For removing dirt, a combination of steel balls and steel sand is typically effective. To achieve a whiter finish on aluminum parts using high-alloy steel, stainless steel shot or wire cutting media should be considered. If cost is a concern, a mixture of casting steel beads and non-stop steel shots in an 8:2 ratio can be used. After each blasting session, the steel balls should be cleaned to ensure consistent and improved results over multiple passes.
5. **Iron Parts**: Iron blasting is usually done to remove oxidation layers and rust. Depending on the application, low-alloy steel abrasives may be used. After sandblasting, some parts may be coated or further processed. Brown fused alumina and white corundum are common choices, depending on color preferences and budget considerations.
In addition, for steel structures, steel plates, and other iron-based materials, cost-effective options like white corundum or garnet sand can be used for rust blasting. These materials can easily meet the SA2.5 standard, ensuring a clean and professional finish without breaking the bank.
Whether you're working with aluminum, stainless steel, or iron, selecting the right abrasive media is key to achieving the desired surface finish. Always assess the material type, desired outcome, and budget before making a decision.
Source: http://news.chinawj.com.cn
Editor: Hardware Business Network Information Center
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