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This standard is the geomembrane 2011 standard, and is also the current standard in effect. If you need the original version, you can contact our company. Our company has always been committed to making qualified products that meet standards, and materials are produced according to relevant standards.
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Polyethylene closed-cell foam board is a polymer joint waterstop material. According to the sampling standards for synthetic polymer waterproof membranes (sheets) {(GB 50207-2012) (GB 50208-2011) (GB 18173.1-2000) (GB 18173.2-2006/2012)}, cut the sample polyethylene closed-cell foam board 300mm from the outer edge and then cut longitudinally (can be directly cut with a wallpaper knife)....
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Closed-cell foam board testing standards: GB 50207-2012, GB 50208-2011, GB 18173.1-2000, GB 18173.2-2006/2012
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Cable tray testing GB/T 23639-2017 "Energy-Saving and Corrosion-Resistant Steel Cable Trays"
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According to which standards are Kunming cable tray tests conducted The testing standards for cable trays include the following, click to view: 1. QB/T 1453-2003 "Cable Trays" 2. JB/T 10216-2013 "Cable Trays for Electric Control and Distribution" 3. NB/T 42037-2014 "Anti-Corrosion Cable Trays" 4. JB/T 6743-2013 "Technical Requirements for Anti-Corrosion Environment of Indoor and Outdoor Steel ...
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QB/T 1453-2003 "Cable Trays"
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