Some friends often think of whether to match the door when purchasing the door lock, and ignore the safety and convenience of the door lock. Here, the editor of the door network suggests that you should consider the following principles when buying a door lock: First, choose a brand-name lock produced by a manufacturer with quality assurance. Second, pay attention to the lock that is the same direction as your door. Third, pay attention to the width of your home's door frame, the ball lock and handle lock can not be less than 90cm door. Fourth, special attention should be paid when installing the door lock: only the end with the insurance can be removed to install it. Never remove the end with the key. It is best to read the manual carefully. 5. Don't drop the oil into the lock. If the key is not flexible, you can put some pencil core scraps into the keyhole. 6. If the in-home insurance is inadvertently rotated 90 degrees in time to become permanent insurance, this can only be opened with a key. Simply turn the insurance 90 degrees counterclockwise to recover. 7. Do not wipe the lock body and handle with a damp cloth to avoid rust. Eight, it is best to hold the handle when closing the door, screw the lock tongue into the lock body, then close the door and then let go, do not force the door, otherwise it will reduce the service life of the lock. Concerned about surprises Label: How to give your home a safe door lock? Previous: What is the quality of cabinet hardware components? Next: Application of rare earth in coatings industry
Adipic Acid is mainly used in producing nylon fiber and engineering plastics, and polyurethane in quantity. Most of parts are used to produce PU, liquid for sole, polyurethane foam, etc. A small number of them are used for high quality lubricating oil.
High quality ester of adipic acid can be used as PVC and its copolymer, plasticizer of natural synthetic rubber. A large number of adipic acid ester is used to produce food packaging, thin film and PVC for insulation.
Adipic acid is also used for sour agent of food and drink. It is not easy to deliquesce, so it is used in dry food, and can be kept in a long time.
Adipic Acid Adipic Acid 124-04-9,Adipic Acid,Adipic Acid Raw Material,99.7%Min Adipic Acid,Fine Adipic Acid Shandong Tiancheng Chemical Co., Ltd. , https://www.tianchengchemical.com
