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scale degrading Applications

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    Scrap Metal Recycling

    Recognized as an industry leader in shredder recycling, we operate 50 recycling facilities for metal, green waste, plastic, food waste, rubber, tires, RDF waste. Harden’s facilities are designed with safety and efficiency in mind for both employees and customers. Our equipment is maintained and updated regularly and our scales are calibrated quarterly. The properties of metals provide unique benefits and advantages for their recycling. Unlike other recycled materials, such as paper and plastic, metals can be repeatedly recycled without degradation of their properties. Metals from secondary sources are just as good as metals from the primary sources. The scrap metal recycling lines are extremely heavy duty systems designed for processing scrap steel, electronic waste, aluminum castings and profiles, ect. We offer both medium and high capacity plants which benefit from low maintenance & operational costs, and lower capital investment when compared with the traditional systems.

    By Harden Industries Ltd. based in Zhongshan, CHINA.

  • APHA Color #3020

    Measurement of APHA color either on-line or in a laboratory setting using a photometer. Background: APHA is sometimes referred to as the Platinum Cobalt (Pt/Co) or Hazen scale. Also referred to as a “yellowness index”, the APHA color scale is a common method of comparison of the intensity of yellow-tinted samples to assess the quality of liquids that are clear to yellowish in color. Originally developed to determine the purity of municipal water supplies, it is now used as a metric for purity in the water, chemical, oil, plastics, and pharmaceutical industries. APHA color quantifies the appearance of trace amounts of yellowness, which is a visual indicator of product degradation due to exposure to light or heat; the presence of impurities and negative effects of processing. As such APHA color is often used as a product release specification. APHA is a single number yellowness index. The units are based on a dilution of a 500ppm solution of PtCo.

    By Guided Wave, Inc. based in Rancho Cordova, CALIFORNIA (USA).

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