|
yellow discoloration change |
① easy to use bleaching of the Seqi.
② high temperature and discoloration.
③ curing agents add excessive.
④ direct sunlight, aging film decomposition.
⑤ by ultraviolet light-coloured paint direct. |
① the use of high-quality Seqi.
② prevent the temperature is too high when dry.
③ proportional ratio.
④ optional resistant coating can reduce yellowing.
⑤ the use of ultraviolet-resistant coating can reduce the degree of discoloration. |
