Extra hard Standard Abrasives 900 Series Unitized Block is the most dense and aggressive block in the Standard Abrasives Unitized Block line. The 15˝ x 15˝ non-woven abrasive block is engineered with the highest level of toughness and edge durability for effective removal of challenging burrs and efficient polishing of harder metals. The block can be cut and customized for a range of uses.
Our extra hard Standard Abrasives™ 900 Series Unitized Block is the most dense and aggressive block in our Standard Abrasives™ Unitized Block line. The 15˝ x 15˝ non-woven abrasive block is engineered with the highest level of toughness and edge durability for effective removal of challenging burrs and efficient polishing of harder metals. The block can be cut and customized into various shapes for a range of uses.
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Cut to Custom Size or Shape for Hand Sanding or Tool Attachment
Standard Abrasives™ Series 900 Blocks come in varying thicknesses that can be cut to size for hand finishing or refining. They are also ideal for specialty uses on a tool, 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 900 Unitized Wheels, offered with a center hole or quick change attachment (sold separately).
Extra Hard Density Block Removes Challenging Burrs with Precision and Effectively Polishes Harder Metals
Our Standard Abrasives™ 900 Series Unitized Block is offered in two grades of aluminum oxide (A/O) mineral: coarse or medium. The combination of extra hard density and coarse mineral enables this block to withstand high-pressure applications and cut with force, making it suitable for heavy-duty deburring, cleaning, blending, and finishing.
Use our Standard Abrasives™ 900 Series Unitized Block for removal of heavy flash and parting lines, deburring sharp edges for a clean radius, removal of coarse coated abrasives grind lines and removal of heavy machine tool marks. When it comes to blending, trust this block to blend pits or cast parts, refine surfaces on high nickel alloys and blend machined surfaces where extra rigidity is necessary.
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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