The 15˝ x 15˝ blocks of material in our Standard Abrasives Unitized Block - 800 Series have a hard density and extra tough durability, making them a good match for heavy-duty edge deburring and stainless steel polishing applications. The blocks can be cut and customized into various shapes for a range of uses.
Cut to Custom Size or Shape for Hand Sanding or Tool Attachment
The Standard Abrasives Unitized Block - 800 Series comes in varying thicknesses that can be cut to size for hand finishing or refining. It is also ideal for specialty uses, when working with an intricate or unique workpiece that requires an unusual shape to achieve the desired result. After cutting and dressing the material into a customized shape, such as a mounted point or other abrasive specialty, attach it to a tool using a unitized wheel mandrel (sold separately).
For your applications requiring a standard wheel shape, choose from the Standard Abrasives line of Series 800 Unitized Wheels, offered with a center hole or quick change attachment (sold separately).
Hard Density Block Removes Challenging Burrs with Precision and Imparts a Fine Polish
Our Standard Abrasives Unitized Block - 800 Series is offered in two grades of aluminum oxide (A/O) mineral: coarse or medium. The hardness of this block places it on the upper end of the spectrum of aggressiveness among Standard Abrasives Unitized products. Given the coarseness of the mineral and the greater density, this block is able to withstand high-pressure applications and cut aggressively, making it well-suited for deburring and polishing applications.
Use our Standard Abrasives Unitized Block - 800 Series for deburring stainless steel pipe thread, wire edges from surgical instruments, stainless steel sinks, tanks and other equipment for the food service industry. It is a prime choice for deburring gears and aircraft wing spars, and breaking edges on aluminum extrusions. When it comes to polishing, trust the 800 Series A/O Unitized Block to effectively polish stainless steel rule dies, welds on stainless steel sinks, machined surfaces, hand tools and round tubing.
Non-Woven Unitized Construction Offers a Step Up in Density and Durability for Stubborn Surfaces
Standard Abrasives Unitized Blocks come in a range of densities and grades to suit different metals, the degree of aggressiveness required and desired finish. Although used for some of the same tasks as Standard Abrasives Buff and Blend products, our unitized products are designed with a far stronger and denser construction to support more aggressive applications and accomplish material removal more rapidly, making them a great match for tough deburring, cleaning, blending and finishing applications. Even though unitized construction results in a much stiffer product, the non-woven nylon fibers of the block maintain the advantage of responding to surface irregularities while preserving the geometry of the piece, and produce a consistent finish.
Unitized blocks are created by stacking layers of open web material that combines non-woven fiber strands and abrasive mineral with a tough resin bond. These layers are then cured and compressed together with heat. By fusing layers of open web, the abrasive gains more toughness and durability, so it can withstand repeated wear.
Ultimately, the material's durability is what makes it such a good match for edges. The material is tough enough to perform high-pressure edgework without tearing or otherwise disintegrating. Regardless of the thickness of the block, it maintains its structural integrity to remain a stiff and long-lasting abrasive even under high pressure. Additionally, as the layers wear, the material can be dressed to refresh its shape.
Load-Resistant Construction Boosts Life and Performance
Standard Abrasives Unitized Blocks are load-resistant to keep you cutting with fresh mineral. The gaps in the open web allow unwanted swarf to escape. Consequently, less debris clogs the abrasive, so the mineral can stay fresh, keep cutting sharp and deliver a consistent cut over the life of the product. As the fibers break down and fresh mineral is exposed, it reduces the likelihood of dull or blunt mineral smearing the surface, contributing to cleaner surfaces and less re-work. Furthermore, manual fatigue that may result from applying heavy pressure to a dull abrasive is reduced.
The Many Benefits of Standard Abrasives Non-Woven Products
Standard Abrasives Unitized products offer many benefits for heavy-duty jobs. For all the aforementioned reasons, Standard Abrasives Unitized products invigorate deburring, cleaning, blending and finishing applications by helping operators reduce finishing steps, minimize costs and achieve greater throughput.
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