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RDA-1

RDA‑1 is a novel high‑performance material produced by applying a coating process to calcined brown fused alumina, exhibiting high hardness, excellent toughness, and self‑sharpening properties. It is primarily used in bonded abrasives such as resin‑bonded cutting discs and resin‑bonded grinding wheels, significantly enhancing both the durability and sharpness of these abrasive products.

Keywords:

Yeda New Materials

Category:

New product series

Contact phone number:

+86-18837126599Manager Li /+86-18837129599Manager Zhang /+86-18837183677Manager Li

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Product Details

  • Product Description
    • Commodity name: RDA-1

    RDA‑1 is a novel high‑performance material produced by applying a coating process to calcined brown fused alumina, exhibiting high hardness, excellent toughness, and self‑sharpening properties. It is primarily used in bonded abrasives such as resin‑bonded cutting discs and resin‑bonded grinding wheels, significantly enhancing both the durability and sharpness of these abrasive products.

    Product Introduction

    RDA‑1 is a novel high‑performance material produced by applying a coating process to calcined brown fused alumina, exhibiting high hardness, excellent toughness, and self‑sharpening properties. It is primarily used in bonded abrasives such as resin‑bonded cutting discs and resin‑bonded grinding wheels, significantly enhancing both the durability and sharpness of these abrasive products.

     

    Product Advantages

    Product Features

    Product Advantages

    Application Advantages

    High‑temperature calcined brown corundum 1–2 mesh sand is preferentially selected for reprocessing.

    High hardness, high toughness

    More cutting blades

    A specialized calcination process enhances toughness while preserving self-sharpening properties.

    Ensuring the self-sharpening property of the material

    High sharpness, fast cutting efficiency.

    Through a specialized coating process and materials, the coating achieves greater uniformity.

    The material exhibits higher bonding strength with the resin.

    Good cutting and grinding stability.

     

    Practical Case Studies

    The above chart compares the performance of cutting discs—107×1.2×16—made with RDA‑1 abrasive produced by Yeda Company and those made with conventional coated abrasives. Based on numerous tests:

    Under operating conditions with a 760-W angle grinder, the 107 cutting disc manufactured using RDA‑1 exhibits a 175% improvement in stainless steel‑cutting performance compared to conventional electroplated abrasive discs.

    Under operating conditions with an 800-W fish‑type grinder, the 107 cutting disc manufactured using RDA‑1 exhibits a 134.78% improvement in stainless‑steel bar‑cutting performance compared to conventional coated abrasive discs.

    Under operating conditions with an 800-W angle grinder, the 107 cutting disc manufactured using RDA‑1 exhibits a 134.78% improvement in cutting performance compared to conventional electroplated abrasive discs when cutting deformed steel bars.

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