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    ISO 6344

     

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    ISO 6344-2:2021(EN) Coated abrasives — Determination and designation of grain size distribution — Part 2: Macrogrit sizes P12 to P220

    ISO 6344-2:2021 was created by Technical Committee ISO/TC 29, Small tools, Subcommittee SC 5, Grinding wheels and abrasives.
    ISO 6344-2:2021, the second edition cancels and replaces ISO 6344-2:1998 and ISO 6344-1:1998, which have been technically revised.
    The main changes compared to earlier versions are as follows:
    — The title and the scope have been changed editorially;
    — Relevant content of ISO 6344-1:1998 has been updated and transferred to ISO 6344-2:2021 and ISO 6344-3;
    — references to ISO 6344-1:1998 have been deleted;
    — “Terms and definitions” has been updated;
    — a new Clause 4 for macro grit sizes has been added;
    — “Evaluation” has been revised by giving a normative description of the procedure for the determination of a sieving analysis and evaluation of the results;
    — “Marking” has been revised.
    ISO 6344-2:2021 defines a method for determining and testing the grain size distribution of electro-fused aluminum oxide and silicon carbide macro grit sizes P12 to P220 for coated abrasive products.
    ISO 6344-2:2021 applicable to grits used in the manufacture of coated abrasive products and to grits extracted from coated abrasive products for test purposes.
    ISO 6344-2:2021(EN) Coated abrasives — Determination and designation of grain size distribution — Part 2: Macrogrit sizes P12 to P220
    ISO 6344-3:2021(EN) Coated abrasives — Determination and designation of grain size distribution — Part 3: Microgrit sizes P240 to P5000
    ISO 6344-3:2021 specifies a method for determining and testing the grain size distribution of electro-fused aluminium oxide and silicon carbide microgrit sizes P240 to P5000 for coated abrasive products.
    ISO 6344-3:2021 applicable to grits used in the manufacture of coated abrasive products and to grits extracted from coated abrasive products for test purposes.
    If you need more support with ISO 6344-1, ISO 6344-2 or ISO 6344-3, please contact us at +91-8595603096 or support@pacificcert.com

    ISO-26000