EW-M2068XL-10T
Choice Of Materials
Large junction box products are mainly used in relatively harsh environment to the site and open-air site. From the product safety performance should be considered when considering the material impact resistance, static load strength, insulation performance, * non-toxic *, anti-aging performance, corrosion resistance, flame retardant performance. (Non-toxic performance has been widely concerned, mainly because if the waterproof junction box products in the case of fire, burning will not release toxic and harmful gases, generally in the fire hair often due to inhalation of a large number of toxic gases and death accounted for the majority.Our electric junction box is made of PA66 materials,anti-aging performance, corrosion resistance, flame retardant performance.
Structure design
Waterproof electrical junction box should be considered the overall strength, beautiful, easy to process, easy to install and can be recycled and reused. International mainstream manufacturers of waterproof electrical junction box products are produced without any metal parts, which can simplify the product recycling process. But most domestic manufacturers choose different materials, material resistance to glutinous change performance is not good, generally in the waterproof junction box installation bearing nest with brass inserts to increase the strength of the installation, so for the material recycling process will increase the time and cost. If the use of formal manufacturers to provide high-performance indicators of raw materials can solve such problems.
Sealing Ring Material Selection
For waterproof electrical large junction box products, commonly used sealing ring materials are: PUR, EPDM, Neoprene, Silicon. selection of sealing ring should consider the temperature range, tension resistance, expansion rate, hardness, density, compression rate, chemical resistance.
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