Silicon Carbide Grinding Papers



Silicon Carbide Grinding Papers

Buehler’s CarbiMet® & MicroCut® Silicon Carbide grinding papers are the premier line of silicon carbide grinding papers offering efficient material removal and minimal surface damage. Our griding papers come in various grit sizes, micron sizes and diameters.

High Material Removal with Superior Surface Finish

CarbiMet grinding papers offer quick grinding times with minimal surface damage during the grinding process. Since there is less damage to remove, the amount of subsequent processing may possibly be reduced, saving valuable time in the preparation process.

Tightly controlled particle sizes ensures consistent scratch depths and patterns to prevent sample damage and rework.

Delicate Preparation

MicroCut grinding papers provide gentle material removal and superior surface finish when processing delicate or sensitive materials.

Quick Change-Overs

Apex® S backing allows for fast changeovers between grinding paper steps. Simply remove the previous paper and apply the next one without needing to remove any backings or liners.

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Frequently Asked Questions
Why are there two numbers for the grit size?

Both the ANSI grit standard in the US and the FEPA grit standard in Europe relate to an average particle size, but use slightly different measurement methods. The ANSI size is succeeded by the term “grit” while he FEPA number is identified by a preceding “P”. A comparison chart is available at

CarbiMet starts with fast material removal due to sharp abrasive grains. As the particles become blunt during use, the speed of material removal slows and the potential for sample damage increases. The rate of degradation depends on sample hardness, size, material, applied load, and the grit size being used. To optimize the preparation process and sample quality, we recommend using coarse grit papers for up to 5 minutes, intermediate grits for 2-5 minutes, and very fine grits for 2 minutes or less.
The Pressure Sensitive Adhesive (PSA) becomes stronger with more pressure and longer time in use. Our CarbiMet products utilize an adhesive that sticks well on a wide variety of surfaces but is easy to remove. If the paper becomes difficult to remove, apply Release Agent to the platen prior to use, or use a MagnoPad Teflon coated carrier plate.
The Apex S surface is designed to last hundreds of uses, but can degrade if excess debris becomes stuck to the surface. For cleaning normal debris, rotate the Apex S on a platen at 50rpm and wipe firmly with an ethanol soaked cloth. For cleaning heavily ingrained debris, use a firm silicon scraper (not hard plastic), lubricating the surface with ethanol then clean with a cloth. Do not use other solvents or detergents as this can reduce the lifetime of the Apex S surface.
Begin by firmly applying one edge of the paper and work your way across the platen to push the air out.
embedding can be prevented by using candle or paraffin wax. Rotate the CarbiMet paper on the platen at ~50rpm, coat the paper lightly with wax, and use as normal. The grinding rate will be reduced, but this will help to eliminate embedding problems.
Dr. Mike Keeble

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Applications of Metamaterials

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An overview of the definitions and classes of metamaterials will be provided with a specific emphasis to the applications as lightweight structural materials. The various features of structural metamaterials will be discussed as well as the role of metal additive manufacturing in enabling the scale of these materials. Future pathways to the implementation of these unique materials will be presented.

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With Dr. Carl Söderhjelm

The lecture will first review the prototypical structures and identifying properties of various industrially relevant light metals. Then, several case studies will be presented to demonstrate the novel use of these materials in light weighting across different fields. The lecture will conclude with emerging materials and tools to design them.

Additive Manufacturing Overview

With Mr. Brandon Fields

The field of metal additive manufacturing will be discussed with a highlight to the variety of technologies currently in use and identify the industry leading techniques. The core principals of each will be presented along with comparisons and use cases for each.

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With Prof. Diran Apelian or Dr. Ben MacDonald

Powder metallurgy as a class of processing technologies will be covered with an emphasis to the key differentiations with conventional processing. The implication of critical solidification parameters including cooling rate will be reviewed as they affect the refinement of microstructures and the presence of metastable structures. Traditional consolidation approaches to creating bulk parts will be discussed as well as the use of metal powder as a feedstock to additive manufacturing.

The Linkage of Processing Structure Properties

With Dr. Ben MacDonald

This lecture will serve to established and review the core metallurgical principles that are essential to understanding materials as a system. With an overview of the hierarchical structural features of metals, fundamentals of solidification, wrought processing, and heat treatment, the interconnected relationships of processing, structure, and properties will be established.

Current Trends in Light Weighting of Structural Materials

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This lecture will serve as a motivation for the course with emphasis on current trends in light weighting of structural materials. Global context to the need for light weighting will be provided as it is critical to a variety of fields from aerospace to the electrification of transportation. Paths forward will be proposed, specifically the unique potential of metal additive manufacturing to accomplishing these goals. This lecture will conclude by introducing the structure of the lectures that will be presented in the course.