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Antifreeze is a substance that lowers the freezing point of water and protects a system from the adverse effects of ice formation. Antifreezes such as ethylene glycol or propylene glycol, which are usually added to water in car cooling systems, prevent damage to radiators. and industrial bulk. Major. barrel 20 liters. For industrial devices. Chillers, cooling towers. . Light and heavy vehicles. power plants and radiators.. \r\nThe best quality and reasonable price \r\nShipping to all of Iran via shipping\r\n\r\nIn a sealed gallon. with the best high quality. Oil based on ethylene glycol. Shipping to the whole country..\r\nSales office: Tehran. \r\n02166689750\r\n09128876650

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**[RTR capacitor 40KVar 440V\r\n**](https://www.automation24.ir/product-2888/%25D8%25AE%25D8%25A7%25D8%25B2%25D9%2586-%25D9%2585%25DA%25A9%25D8%25B9%25D8% 25A8%25DB%258C-rtr-40kvar-440v)\r\nCapacitor:\r\n\r\nA capacitor is an electrical device that can store electrical charge and electrical energy, in fact, the capacitor in electrical circuits stores electrical energy in an electrostatic field, which is called the capacitive effect.\r\nCapacitor structure:\r\n\r\n1- Conductor plates\r\n\r\n2- Insulation between conductors (dielectric)\r\n\r\nCapacitors are made up of at least two conductor plates that are parallel and there is a layer of air or insulation in between. Capacitor conductor plates are usually made of aluminum, silver, and zinc, and air, paper, mica, plastic, ceramic, aluminum oxide, and tantalum oxide are used as insulating materials between the plates.\r\n\r\n**[Click here to buy the product](https://www.automation24.ir/)**\r\n\r\nUses :\r\nCapacitors have a relatively wide application. Among the uses of capacitors, we can mention timing circuits with resistors, balancing the level of direct voltage changes, and also as a filter in circuits, because capacitors easily pass alternating signals, but prevent the passage of direct signals. Considering that the electric charge is stored in the capacitor, the capacitor can also be used to create uniform electric fields. Capacitors can hold electric fields in small volumes.\r\n\r\nCapacity:\r\nCapacity is a measure of the ability to store electrical energy. High capacity means that the capacitor is able to store more electrical energy and its measurement unit is Farad. 1 farad is a big unit and it is a high capacity specification, so it is customary to use smaller units such as micro farad, pico farad and nano farad in capacitors.\r\nTypes of capacitors:\r\nCapacitors have a lot of variety that we describe the most important types of capacitors that are used today.\r\n1- Variable capacitors and trimmers\r\n2- Ceramic capacitors\r\n3- Mica capacitors\r\n4- Polyester capacitors\r\n5- Paper capacitors\r\n6- Wax and oil capacitors\r\n7- Electrolytic capacitors\r\n8- Tantalum capacitors\r\n9- Mylar capacitors\r\nImportant points in buying a capacitor:\r\n\r\nConsidering the variety of capacitors available in the market, one of the concerns of consumers is always to find a type of capacitor according to their needs, therefore, we will state some of the points that should be considered when buying a capacitor.\r\n\r\n1- Attention to the capacity of the capacitor\r\n\r\n2- Ability to withstand charge and discharge currents\r\n\r\n3- Service life\r\n\r\n4- leakage current\r\n\r\n5- Dimensions\r\n\r\n6- Frequency\r\n\r\n7- Price

Daniel Plastic is a manufacturer of finger mobile phone holders, and if you intend to buy this product in bulk, you can contact Daniel Plastic Collection.\r\nDaniel Plastic finger mobile phone holder is an extremely attractive and practical product that is produced in attractive pink, pastel pink, purple and black colors.\r\n\r\nThe finger mobile phone holder is produced in double packs and with its unique design, it is easy to hold and the mobile phone can be easily placed on this mobile phone holder.\r\n\r\nThis finger mobile phone holder, in addition to having a beautiful appearance and making the mobile phone fit well on the hand, reduces the possibility of the mobile phone falling by 60%.\r\n\r\nThe interesting thing about Daniel Plastic\'s dual digit mobile phone holder is that this holder is compatible with all mobile phones of different sizes.

Twelve years of experience of Kowsar Electronics Optimisers in the field of making smart engine room devices made us create a smart engine room system for small engine rooms that has both the best user experience and the lowest price.\r\n\r\nAdvantages :\r\n1- Stable performance without lag\r\n2- Easy to use\r\n3- The quality of design, construction and testing\r\n4- Simple repairs\r\n5- Quality backup battery that will work for at least 5 years\r\n6- Simple installation that can be installed by an electrician and does not require an installer.\r\n\r\nThe best choice for a school renovation contractor.