The present invention provides for a one-pack primer-sealer composition for molded SMC parts such as automotive body panels that significantly reduces paint defects (such as paint pop and cracking defects) in the sealing and automotive OEM finishing operations. The coating composition includes silane and melamine components. The composition is sufficiently stable to be formulated as a one-pack coating composition.
本发明提供了一种用于汽车车身面板等模制 SMC 部件的单组分底漆-封孔剂组合物,可显著减少封孔和汽车 O
EM 饰面操作中的油漆缺陷(如油漆爆裂和开裂缺陷)。涂料组合物包括
硅烷和
三聚氰胺成分。该组合物具有足够的稳定性,可配制成单组分涂料组合物。