Requirements of the selection of LED outdoor display potting
fecha:2011-06-09 11:18
estado:para resolver
pregunta:admin
cal manufacturers, immature technology, with little experience on the one hand, on the other hand is the raw material used in cheap, poor quality, in order to win a share in the market for products, low prices bid to enter the market, but after after a variety of environments using a variety of negative syndrome, such as: off side (with the plastic shell separation), debonding (separation and lamp posts), de-PCB (ie adhesion, by being too loose, dig dug a sense of a large block, no glue residue
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