汽车行驶一定里程后,对于其外部装饰涂膜的机械破损、自然剥落以及制造对外蒙皮凸凹不平等缺陷应进行人工修补、刮涂腻子作业,使之平整光滑、增长美观并延长使用寿命。送往大、中修的车辆,都将进行这项作业。目前用于修补金属蒙皮凹陷处或某些特殊部位的腻子是由作为粘合剂的漆料与体质颜料组成的一种稠厚的膏状物。腻子的种类繁多,油漆厂已有定型产品。但各修理厂习惯采用自配 After the car has traveled a certain distance, mechanical peeling, natural spalling and peeling unevenness of the outer skin should be manually repaired and scraped with putty to make it smooth, beautiful and prolong its service life. Sent to large and medium repair vehicles, will carry out this operation. At present, the putty used to repair the depression of metal skin or some special parts is a thick paste consisting of a paint and an extender pigment as a binder. A wide range of putty, paint factory stereotypes have products. However, the repair shop used to self-employed