Mixed Flap Discs
Advantages of Mix Flap Discs
Cost-Effective Performance
Mixed flap discs combine premium abrasive flaps with more affordable flaps, layered alternately. This design reduces the overall cost while maintaining the high grinding performance of the premium material.
Efficient Material Removal
The combination of different flap types balances aggressive cutting and smooth finishing. Premium flaps provide fast, tough grinding, while cheaper flaps maintain even contact, resulting in efficient material removal without compromising surface quality.
Extended Lifespan
By mixing durable and cost-effective flaps, the disc wears more evenly. This reduces the rate of premature wear and ensures a longer service life compared to standard single-material discs.
Versatile Applications
Mixed flap discs are suitable for a wide range of metals, including stainless steel, alloy steel, mild steel, and non-ferrous metals. They can grind edges, corners, and flat surfaces without needing multiple discs, making them highly versatile for industrial and workshop use.
Various Abrasive Grains
Flap discs are available in a wide range of abrasive grains, each designed to handle different materials and applications effectively. By selecting the right abrasive grain for your application, you can optimize the performance, lifespan, and efficiency of the flap disc.
Zirconia
Zirconia provides longer life and higher stock removal than aluminum oxide. Its self-sharpening feature maintains cutting power during heavy use, making it ideal for grinding, weld removal, and surface prep on steel, stainless steel, and alloys.
Ceramic
Ceramic is durable, self-sharpening, and ideal for aggressive stock removal. It withstands high heat and pressure, maintaining performance longer than other grains—perfect for stainless steel and tough alloys in demanding applications.
Aluminum Oxide
Aluminum oxide is a common, versatile abrasive ideal for general grinding, light deburring, and finishing on mild steel, alloys, and non-ferrous metals. Its low cost and wide usability make it a popular choice.
Calcined Aluminum Oxide
Calcined Aluminum Oxide is a heat-treated Aluminum Oxide with improved sharpness, toughness, and grain density, offering smoother grinding, longer life, and greater durability.
Silicon Carbide
Silicon carbide is sharp and brittle, enabling efficient grinding and smooth finishes on non-ferrous materials. It’s ideal for delicate work on ceramics, glass, stones, brass, bronze, and other soft metals.
Type: T27 vs. T29
Flap discs come in different shapes, with Type 27 and Type 29 being the most common. Each has its advantages depending on the application.
Type 27 (Flat Flap Disc)
Ideal for smooth finishing, blending, and grinding flat surfaces. It provides even contact with the workpiece, ensuring precise and controlled grinding. For optimal performance, it is recommended to use this disc at a low grinding angle of 0-15°.
Type 29 (Conical Flap Disc)
Best for heavy stock removal, beveling, and working on curved or uneven surfaces. Its sloped design allows for more aggressive cutting with a larger contact area, ensuring efficient material removal. For optimal performance, it is recommended to use this disc at a steeper grinding angle of 15-30°.
Grain Sizes: from Coarse to Ultra Fine
Flap discs are available in a range of abrasive grain sizes, from coarse grains for heavy stock removal to ultra-fine grains for polishing and smooth finishing. The right grain size will help ensure optimal results, whether you're grinding, blending, deburring, or finishing.
Coarse Grains (16-60 grit)
Coarse grains are designed for aggressive grinding. These discs are ideal for tasks that require heavy stock removal, such as removing heavy welds, cleaning rust or heavy corrosion, shaping rough surfaces or edges, and pre-grinding or heavy-duty grinding tasks on steel and other hard metals.
Medium Grains (80-120 grit)
Medium grains offer a balance between aggressive stock removal and surface finishing, leaving a smoother finish than coarse grains.These excel in tasks such as removing burrs and imperfections, blending weld seams and smoothening rough surfaces, general grinding on steel, stainless steel, and non-ferrous metals.
Fine Grains (180-320 grit)
Fine grains are suitable for smoothing surfaces and achieving a finer finish. They are ideal for smoothing weld seams, polishing and finishing on stainless steel, aluminum, and other non-ferrous materials, final surface preparation before painting or coating.
Ultra Fine Grains (400+ grit)
Ultra fine discs are designed for the highest levels of precision and smoothness. They provide an exceptional finish for high-end polishing work, removing the smallest imperfections without affecting the underlying material, leaving a mirror-like finish.
Supply Chain Stability
Dual manufacturing bases in China and Thailand ensure reliable production, stable supply, and on-time delivery for global customers.
Provide Solutions
We deliver not only high-quality abrasives but also tailored solutions, technical support, and expert guidance for diverse grinding applications.
Quality Control System
Strict quality management from raw materials to final inspection guarantees consistent performance, traceable production, and reliable product quality.
Contact Us
WhatsApp: +66 956607072
Email: hpzhai.taimei@gmail.com
Address: 1517, Mu 4, Thepharak Sub-district, Mueang Samut Prakan District, Samut Prakan Province, Thailand 10270