3030LEDlamp beads
LED Beads
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Reasons for yellow LED lamp beads:
The yellowing of LED outer sealant is mostly caused by the mismatch between epoxy resin and curing agent, but it cannot be ruled out that the baking time of outer sealant is too long. Solution: Purchase a complete set of external sealing adhesive and curing agent, such as the model 800 or 2339 glue of Shanghai Fine Chemicals, which will not have the following situation. In addition, pay attention to the production control, operate strictly according to the operation instructions, and avoid the reasons such as too long or insufficient baking time. This situation is well controlled.
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