The reason why led is yellow?
发布时间：2019-04-26
The yellowing of LED sealant is mostly caused by the mismatch between epoxy resin and curing agent, but it cannot be ruled out that the baking time of the sealant is too long.
Solution: buy a set of external seal adhesive and curing agent, such as Shanghai fine chemical model 800 or 2339 glue will not appear as follows, in addition, pay attention to the production control, strictly operate according to the operation instructions, to avoid the baking time is too long or insufficient and other reasons, this situation is very good control.