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Precautions for using high-temperature resistant high-efficiency filters
Precautions for using high-temperature resistant high-efficiency filtersHigh-temperature high-efficiency filter filtration efficiency:The 250℃ red high-temperature resistant silica gel and 350-400℃ black high-temperature resistant inorganic glue used is affected by the physical properties of the glue (poor fluidity), so the actual filtration efficiency of 250℃ H13 high-temperature high-efficiency filters is between H12-H13; 350-400℃ H13 high-temperature high-efficiency filters have an actual filtration efficiency of between H11-H12. Precautions before using high-temperature high-efficiency filters: Due to the high-temperature high-efficiency filter used in the curing process of organic silicone and inorganic glue are cured from the surface to the inside, the thicker the height of the glue, the more difficult to cure, under normal circumstances, the glue curing time 3-7 days, if the high-temperature high-efficiency filters are not fully cured directly loaded into high-temperature equipment for normal use, it will inevitably cause high-temperature glue cracking. It will inevitably cause high-temperature glue cracking, expansion, and glue from the frame and other phenomena; for the above problems, the following two points are made to deal with the program: 1. High-temperature high-efficiency filters need to be used normally after 7 days; 2. If customers need to install immediately, it is recommended that customers operate according to the following methods before using our high-temperature resistant high-efficiency filters: High-temperature resistant 250℃ high-efficiency filter Slowly warm up to 100℃ in the high-temperature equipment, and then shut down and cool down after 2 hours of constant temperature; Tempering to 150 ℃ 1 hour after the shutdown cooling Tempering to 200 ℃ 1 hour after the shutdown cooling Tempering to 250 ℃ 1 hour after the shutdown cooling After the last slow cooling, it can be used normally. High-temperature resistant 350-400℃ high-efficiency filter Slowly warm up to 100℃ in the high-temperature equipment, then stop cooling after 2 hours of constant temperature; Temperature control to 150℃ for 1 hour and then shut down for cooling. Tempering to 200 ℃ 1 hour after the shutdown cooling Tempering to 250 ℃ 1 hour after the shutdown cooling Tempering to 300 ℃ 1 hour after the shutdown cooling Tempering to 350 ℃ 1 hour after the shutdown cooling Temperature control to 400℃ 1hour cooling down time After a final slow cooling, it is ready for normal use. |
