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Tape the selection distinguish, electrical tape, PVC electrical tape

by：Kint      2020-03-16
Any enterprise, company, individual life indispensable everyday items, but a relative to the current domestic situation, the factory is more, the technology is uneven. And domestic adhesive tape industry in still on the stage of low technical content, countries also don't have a clear choice. People often understanding of tape at the very ignorant stage, think the price is low, feel is good viscosity, actually these are all the wrong understanding and judgment. So how to judge of tape? Actually, tape glue is good or not in use, there are two standards, one is the initial moisture, one is the retention, is inversely proportional to both. Generally viscous force less than 10 fewer tape glue in accordance with the teaching, generally only about 20 microns, such as stationery adhesive tape, ordinary promotional bundled with the tape. Normal packing tape at the beginning of the viscous force in 15 Between 20, generally speaking, there are 22 - the tape glue thickness 28 micron. The thickness is standard. But most of the tape on the market are mixed with the impurities, so the thickness increases, for shelter impurities, glue is mixed with the pigments, so transparent tape will appear the egg yellow, light green, this tape is generally inferior. The difference between good or bad how colored tape? To the color tape, the average is more yellow and yellow. Will be sticky pinched and then quickly pulled open, can be on one side of the glue to pull out, you can see the purity of the original film and transparency. Also can see the thickness of glue, if there is no glue is opened or dot, this glue is in a large number of impurities, glue no cohesion. Second, too much water, has been volatile, viscous fluid at the beginning of this tape has fallen so much that feel is able to distinguish. Actually tape quality distinguish there are a number of methods, as long as more attention to in the life, can distinguish the stand or fall of tape.
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