How to choose epoxy glue correctly? |
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| Reading Volume： 【 2442 】 | Time： 【 2017-06-28 】 | |
| Epoxy adhesive is a commonly used adhesive in the electronics industry. It has a wide range of uses, such as precision electronic component packaging, parts fixing, power potting, surface coating, etc., but how to choose one correctly? Which epoxy glue is suitable for your product? It is a problem we often encounter. Choose the correct epoxy adhesive as follows: 1 Understand the use of epoxy glue If it is used for bonding, it needs to consider more strength; if it is used for potting, it may be more considered to be sealing; if it is for coating and surface treatment, more consideration is to brushability and fluidity . 2 Know the cost of epoxy glue If it is necessary to use epoxy glue for a large number of potting, of course, the cost is low. The market basically ranges from more than ten yuan per kilogram to more than one hundred yuan per kilogram. For precision product bonding, consider the various electrical properties of the glue, High reliability and convenience, some prices will range from a few hundred to several thousand yuan per kilogram, and more precision products will use 10-30 ml syringes to dispense through automatic dispensers, and the cost will be higher! 3 Confirm the viscosity of epoxy adhesive: Viscosity is related to the size of the filling gap and dispensing efficiency. The higher the viscosity, the larger the filling gap, the worse the fluidity, and the worse the point-out performance. Some require customers to determine through dispensing tests, after all, the equipment and operating habits used by each company are different. 4 Confirm the color of epoxy glue: General products require glue and bonding materials to be as close as possible. Transparent epoxy glue is the best adaptability. However, in some special occasions, customers require color identification, so epoxy glue also has green, red, black, blue and other colors! 5 Confirm the composition of epoxy glue: Epoxy glue has two-component AB type and one-component type without mixing. One-component epoxy glue is to mix the curing agent into the epoxy resin in advance. It needs to be frozen and stored, and it needs to be heated and cured when used. The two-component epoxy glue can be stored naturally. When using it, the A and B agents need to be blended and mixed evenly before they can be used. Choose according to customer needs! | ||
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