业内人士指出,目前国内粘接密封材料与国外的差距有以下四方面:1.粘接密封剂原材料品种有限,不少是代用品或进口产品,所以价格居高不下,缺乏市场竞争力;2.国内汽车用粘接密封材料在工业技术水平、生产规模、产品系列化程度、企业格局及科技人员培养等方面都处于比较 Insiders pointed out that at present the gap between domestic adhesive sealing materials and foreign countries has the following four aspects: 1. Adhesive sealants limited variety of raw materials, many substitutes or imported products, so the price is high, the lack of market competitiveness; Domestic automotive adhesive sealing materials in the level of industrial technology, production scale, product serialization, corporate structure and scientific and technological personnel training and so on are in the comparison