1、GM DAEWOO Auto & Technology EDSE ngineering,GM DAEWOO Auto & Technology.Standards HEAT CURABLE TYPE SEMI STRUCTURAL DOUBLE SIDED ADHESIVE TAPE EDS-M-6816 ISSUED DATE: 1995. 07. 12 REVISEDDATE: 2003. 05. 16 VERSION: 2EDS-M-6816 HEAT CURABLE TYPE SEMI STRUCTUAL DOUBLE SIDED ADHESIVE TAPE PAGE: 1/3 ISS
2、UED DATE: 1995. 07. 12 REVISED DATE: 2003. 05. 16 VERSION: 2 GM DAEWOO Auto & Technology 1. PURPOSE This specification specifies the requirements of basic property of the semi-structural double-sided adhesive tape used for the body of cars. 2. SCOPE This specification applies to the acrylic heat cur
3、able type semi-structural double-sided adhesive tape used to attach and fix the roof molding clip. 3. NOTES 3.1. Samples of components or materials released to this specification shall be tested for conformity with the requirements of this specification and approved by GMDAT TECHNICAL CENTER prior t
4、o commencement of delivery of bulk supplies. 3.2. In the event of any intentional deviations from the requirements of this specification, it is the sole responsibility of the supplier to inform the purchaser of all such deviations. Furthermore the supplier shall submit unsolicited samples for reappr
5、oval by GMDAT TECHNICAL CENTER prior to commencement of delivery of deviant bulk supplies. 4. REQUIREMENTS DESIGNATION TEST METHOD SPECIFICATION 4.1. Weight per unit area EDS-T-7611 See related drawings. 4.2. Thickness EDS-T-7624-2F 4.3. Test before heat curing 4.3.1 Peel strength EDS-T-7676* Use th
6、e following test panel. (Test speed : 50mm/min)- ELPO coating panel in SPCC(EDS-M-1101)- Dimension : 100 25 1mm (1) Test at +23 2.5K, after 20min 13 N/cm min (2) Test at +23 2.5K, after 24 hrs EDS-M-6816 HEAT CURABLE TYPE SEMI STRUCTUAL DOUBLE SIDED ADHESIVE TAPE PAGE: 2/3 ISSUED DATE: 1995. 07. 12
7、REVISED DATE: 2003. 05. 16 VERSION: 2 GM DAEWOO Auto & Technology DESIGNATION TEST METHOD SPECIFICATION 4.3.2 Shear strength* Take double-sided tape (10 10) mm and overlap 20mm of the end of test panels (I) and (II), then attach the tape to center of the overlapped portion to conduct test. - Test sp
8、eed : 50mm/min - Test panel (I) : Same as 4.3.1- Test panel (II) . PBT (Poly Butylene Telephtalate) panel . Dimension : 100 25 3mm(1) Test at +23 2.5K, after 20min 60 N/m 2min(2) Test at +23 2.5K, after 24 hrs 4.4. Test after heat curing (Curing condition: +140 2.5K & 25hrs) 4.4.1 Shear strength* Sa
9、me as 4.3.2 (1) +23 2.5K & 24 hrs 400 N/m 2min (2) +23 2.5K & 24 hrs +80 5K & 336 hrs +23 2.5K & 1 hr Then, conduct test( 3) +23 2.5K & 24 hrs 300 N/m 2min dip in diluted water of +40 5K & 336 hrs +23 2.5K & 1 hr Then, conduct test (4) +23 2.5K & 24 hrs 400 N/m 2min * Note : Unless otherwise noted,
10、test shall be conducted in the raw material condition. 5. ADDITIONAL REQUIREMENTS 5.1. Appearance : The tape shall be free from defects, such as pollution by foreign matters, and shall conform to the master sample approved and released by GMDAT TECHNICAL CENTER 5.2. Release paper : It shall meet the
11、 physical requirements in EDS-M-6713 or is made of the equivalent material. It shall be easily peeled off as desired by the manufacturer or worker. 5.3. Further details see part drawings.EDS-M-6816 HEAT CURABLE TYPE SEMI STRUCTUAL DOUBLE SIDED ADHESIVE TAPE PAGE: 3/3 ISSUED DATE: 1995. 07. 12 REVISE
12、D DATE: 2003. 05. 16 VERSION: 2 GM DAEWOO Auto EDS-M- 0102). 7. AUTOMOTIVE RESTRICTED HAZARDOUS SUBSTANCES Materials and components of parts must comply with EDS-A-0101. 8. CODING SYSTEM This material specification shall be indicated in drawings or other specifications as follows. “EDS-M-6816” 9. RE
13、LATED STANDARDS EDS-A-0101 Automotive restricted hazardous substances for parts EDS-M-0102 Procedures for approval of chemical raw material and quality control EDS-T-7611 Test method for determining weight per unit area EDS-T-7624 Test method for determining thickness of trim materials EDS-T-7676 Determining of the resistance to peel of self adhesive tapes and foils
