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Norton Abrasives of Worcester, Massachusetts, USA is the world's largest manufacturer and supplier of abrasives for commercial applications, household, and automotive refinishing usage. Norton Company was founded in 1885 by a group of ceramists and entrepreneurs from Worcester, Massachusetts.
The federal standard for LA abrasion testing was formally adopted by the ASTM in 1937. [10] Decades later, field studies found that the LA test results do not always correlate with reality, thus engineers outside of the United States developed different national standards like the French wet micro-Deval procedure or the British Standard 812. [1]
The two most common are the United States CAMI (Coated Abrasive Manufacturers Institute, now part of the Unified Abrasives Manufacturer's Association) and the European FEPA (Federation of European Producers of Abrasives) "P" grade. [16] The FEPA system is the same as the ISO 6344 standard.
Standard Motor Products was listed as one of Crain's New York Business ' top 250 publicly held companies for 2012, [13] and as number 94 in the Forbes list of America's best small companies in 2013. That year the company's earnings were $969 million with 4% sales growth and 61% earnings per share growth. [ 14 ]
ASTM G105 Standard Test Method for Conducting Wet Sand/Rubber Wheel Abrasion Tests [21] ASTM G132 Standard Test Method for Pin Abrasion Testing [22] ASTM G171 Standard Test Method for Scratch Hardness of Materials Using a Diamond Stylus [23] ASTM G174 Standard Test Method for Measuring Abrasion Resistance of Materials by Abrasive Loop Contact [24]
Ordnance crest "WHAT'S IN A NAME" - military education about SNL. This is a historic (index) list of United States Army weapons and materiel, by their Standard Nomenclature List (SNL) group and individual designations — an alpha-numeric nomenclature system used in the United States Army Ordnance Corps Supply Catalogues used from about 1930 to about 1958.
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