Using carbon fiber fabrics designed especially for the Carbon Crystal Panel Heater, the Panel heaters generate long-wave infrared radiation directly. Unlike convection heating methods, such as radiators or fan heaters, the infrared panel heater do not use air to transfer . the heat, instead the rays turn into heat wherever they meet an object or mass, such as a wall or the floor.
So Carbon Crystal Panel heater is quiet.
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Infrared Carbon Crystal Heater Panel,Carbon Infrared Heater Panels,Carbon Infrared Heater,Carbon Infrared Heaters Fenry manufacturing Co., Ltd , https://www.cnfenry.com
Pretreatment of gold-containing steel wool before smelting
Steel wool is a product containing gold electrowinning on the cathode. In gold-containing steel wool, the ratio of the weight of cotton steel to deposited gold is 1: (1.3~9.3). Prior to smelting, gold-containing steel wool is immersed in 1:1 industrial hydrochloric acid for 2 hours to remove stainless steel wool and other impurities.