Guangdong Jianqiao Testing Equipment Co., Ltd.
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Salt mist testing is used to evaluate the corrosion resistance of parts and products covered with metal materials, plated films or paint films.
Salt mist combined-cyclic testing is a widely used combined-cycle test method for reliability evaluation. It combines salt mist testing with conditions such as dry, damp, low temperature or saltwater immersion. To test products used in areas of salt damage (from sea salt particles or deicing salt in snowy regions), it is used to simulate or hasten (accelerate) market conditions, evaluating materials and components such as vehicles, vehicle exterior materials, or undercarriage components or steel.
Salt mist test system and large capacity salt mist combined cyclic test system are available.
This equipment supports combined cycles that include a high-temperature (150°C) dry process, and a low-temperature (-20°C) freeze process.
· The test space consists of sturdy, corrosion-resistant elements and has optimum insulation. An excellent mechanical stability is obtained thanks to an internal coating consisting of glass-fiber reinforced polyester and an external metal sheet covering. The joints of the test space will be well sealed so as to ensure a perfect, corrosion resistant sealing of the entire test space.
· In order to prevent droplets from dripping onto the specimens the test chamber has a pitched roof with a ridge midway along the chamber length, so as to ensure that the droplets drip down towards the lateral walls.
· A circulation air duct with integrated heat exchangers for cooling/heating and externally-driven, circulating air fans are installed in the rear chamber wall for temperature and air-conditioning.
· As all components installed inside the chamber are made from corrosion-resistant plastic, the test specimens themselves are not influenced by potential corrosion caused by metallic components.
· The plastic nozzles are firmly installed on the side walls. Salt solution and compressed air are routed to the spray nozzles via corrosion-resistant pipes. All components in contact with salt solution are made of corrosion-resistant plastic.
· The test chamber has a ventilation device. After spraying tests with closed door the test space is purged with fresh air and the moist air or salt mist escapes via the exhaust vent. The required amount of fresh air is sucked out of the installation room via a duct fan. All parts in contact with salt solution are made of corrosion resistant plastic.
