Some polyurethane resin coating contains more free TDI, brushed in besmear in the process of volatile, will lead to latex paint of yellow.
有的聚氨酯树脂涂料中含较多的游离tdi，在涂刷挥发过程中，将会导致乳胶涂料泛黄。
2
This is because the primer coating is too wide can lead to drying of the film too thin, which in turn weaken its main properties.
这是因为底漆涂布得太广也会导致干燥后的漆膜过薄，从而反过来削弱它的主要性能。
3
Because the cathode polarization effect more than a range, will lead to a large number of hydrogen, and separation coating becomes porous, rough, loose, scorched, even the powder, quality just drop.