GMNA-9981596-1994.pdf
《GMNA-9981596-1994.pdf》由会员分享,可在线阅读,更多相关《GMNA-9981596-1994.pdf(2页珍藏版)》请在三一文库上搜索。
1、I GENERAL MOTORS ENGINEERING STANDARDS I Materials and Processes - Adhesives I ADHESIVE, WATERBASED, RUBBER, DEADENER PAD AND DASH INSULATOR 9981596 1 SCOPE. This specification descriis the physical and performance propcaies of a rubbe& waterbaped adhesive suit- able for bonding sound insulation mat
2、aial in the interior of the is a contad adhesive (non-pressure sensitive), and may also be used t o increase the bond strength of pressure sensitive films to porous surfaces such as headlintrs. 1.1 This system must be capable of being dispensed with cur- rent production equipment. It shall be compat
3、ible with production systems. I t is sprayable. 1.2 KEY WORDS Adhesive, watcrbased. vchiclc.TypcImaterialisprcssUrescnsitive.TypcIImaterial 2 REFERENCED STANDARDS. GMlOOOM GM9305P ASTM D4339 GM3622M GM9763P SAE J1524 GM9OlOP ASTM Dl 875 3 REQUIREMENTS. 3.1 T O X I C I T Y . The toxicity shall bt dis
4、closed in kind and magnitude, as xequircd, by the GM Material Safety Data Sheet. In addition, the material must have full approval of the appro- priate d c a l dcpartnaent prior to production u s e . 3.2 RESTRICTED AND REPORTABLE CHEMICALS, (GMlOOOM). By 1997 stah of saleable vehicles, all materials
5、 supplied to t h i s spccifhtion must comply with the rcquirc- ments listed in GMlOWM, “Restricted and Reportable Qlenricals.“ 3.3 STABILITY (GM9763P). Material conditioned using potential storage conditions must be capable of passing all the nquiremnts of this specification. 3.3.1 Elevated Ttmpcrah
6、lre Stability. As shipped, thc adhe- sive must be capable of withstanding a temperature of 55C for 72 h , without separation or c a k i n g . 3.3.2 Low Tempcratuce S t a b i i . Thc adhesive must be pro- tected against hzing, both in shi- and during storage. 3.3.3 Storage Stability. The shelf life o
7、f the adhesive in closed containers shall be 90 days at a tempcraturc not to exceed 35C. Shelf life of the material comtmnces upon the reaipt of thc material from the manufacturer. 3.4 MATERIAL PROPERTIES - UNCURED ADHESIVE. See Table 1. 3.5 “LPRoPERm - CURED ADHESIVE Sce Table 2. TABLE 1 - UNCURED
8、ADHESIVE Properties Color Odor Homogeneity Open Tim values Gray or Black Thc material Shau not have a noxious odor in either c u d or uncured condition. Makuialmustbc homogeneous and h e of lumps or air bubbles. 25 minutes 62 f 2% 50 f 2% 25 Paes 0.2-0.6 Pes T e s t Methods 1 . 2 mm wet f i l m 25T,
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- GMNA 9981596 1994
链接地址:https://www.31doc.com/p-3769358.html