GMNA-9985502-1994.pdf
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1、= 9006379 00035LO Lib Ei I GENERAL MOTORS ENGINEERING STANDARDS I Materials and Processes - Adhesives I ADHESIVE, PROMOTER, METHYLENE CHLORIDE, FRP 9965502 1 SCOPE. This specification covers a wash primer for use on glass-fiber reinforced polyester plastic panels to pro- mote the bond strength of 99
2、85454 and 9985760 urethane adhesives. The material solvent base is to be in accordance with California Rule 66. 1.1 This system must be capable of being dispensed with cur- rent production equipment. It shall be compatible with production systems. 1.2 KEY WORDS: Adhesive, promoter, methylene chlorid
3、e, fw 2 REFERENCED STANDARDS. GMlOOOM GM3629M GM9OlOP GM9763P GM9828P 9985454 ASTM D2369 9985760 ASTM D4339 ASTM D1144 ASTM E502 ASTM D1310 SAE J1524 ASTM D1875 3 REQUIREMENTS. 3.1 TOXICITY. The toxicity shall be disclosed in kind and magnitude, as required, by the GM Material Safety Data Sheet. In
4、addition, the material must have full approval of the appro- priate medical department prior to production use. 3.2 RESTRICTED MATERIALS (GMlOCKIM). Materials approved to this specification must not contain restricted mate- rials, as identified in GMlOOOM. 3.3 STABILITY (GM9763P). Material condition
5、ed using potential storage conditions must be capable of passing all the requirements of this specification. 3.3.1 Elevated Temperature Stability. As shipped, the adhe- sive promoter must be capable of withstanding a temperature of 55C for 72 h, without separation or caking. 3.3.2 Low Tempemture Sta
6、bility. As shipped, the adhesive promoter must be capable of withstanding 3 cycles of the applicable cycle schedule outlined in A2 of GM9763P 3.3.3 Storage Stability. The shelf life of the adhesive pro- moter in closed containers shall be 180 days at a temperature not to exceed 35C. Shelf life of th
7、e material commences upon the receipt of the ma&al from the manufacturer. 3.4 NONSMOKING (GM9828P). The adhesive promoter shall not smoke up to 177C and shall not be classified greater than a slight smoker at 191C. 3.5 MATERIAL PROPERTIES - UNCURED. See Table 1. TABLE 1 - UNCURED MATERIAL Properties
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