Requirements of the selection of LED outdoor display potting
fecha:2011-06-09 11:18
estado:para resolver
pregunta:admin
ll quantities of potting, the filling can be 100 or hundreds of plastic, covered with masks, screw on the nut.
Then, all of the normal aging process of firing 12 or 24.48 hours or a week, open the plastic mask column has broken. Such as normal, cover mask, screw the nut, sampling three or five days on the roof of exposure, freezing day in the refrigerator. In addition, the oven conditions, and can sample three or five on the oven temperature 80 ℃, a total of 8 hours.
Again, open the mask, i
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