Coating and the substrate surface temperature of the coating would have a bad contraction stress, caused by cracking and peeling off the coating.
涂层与基体表面的温度差会使涂层产生收缩应力,引起涂层开裂和剥落。
2
General styryl products use of alcohol and petroleum solvent kind of weak solvent-cracking occurs, some substrate materials because of their factors will also cause cracking phenomenon.