1、GM DAEWOO Auto & Technology EDS Engineering, GM DAEWOO Auto & Technology Standards PVC FILM SELF ADHESIVE EDS-M-6802 ISSUED DATE: 1991. 04. 16 REVISED DATE: 2003. 06. 24 VERSION: 3 EDS-M-6802PVC FILM SELF ADHESIVE PAGE: 1/4 ISSUED DATE: 1991. 04. 16 REVISED DATE: 2003. 06. 24 VERSION: 3 GM DAEWOO Au
2、to & Technology 1. PURPOSE The purpose of this standard is to establish the material property of the PVC-film used in automotive exterior trim and control the quality. 2. SCOPE Automotive exterior trim, cautions and PVC-film of trim lamp. 3. MATERIAL Transparent PVC-film covered with a protectant in
3、 the both side and applied with adhesive in one side. 4. REQUIREMENTS Designations Test Methods Specifications 4.1. Weight per unit area EDS-T-7611 320 370 g/m24.2. Structure 4.2.1. Film (without adhesive) (1) Material Soft PVC of 100 Weight%(2) Weight per unit area EDS-T-7611 55 g/m2 min. (3) Thick
4、ness EDS-T-7624-1A 0.05 mm min. (4) Ignition residue EDS-T-7301-A2 12 Weight % max. 4.2.2. Adhesive (1) Material Poly acrylic butylester (2) Weight per unit area EDS-T-7611 35 g/m2 min4.2.3. Protectant of adhesive side (1) Material Polyethylene paper (silicon free)(2) Weight per unit area EDS-T-7611
5、 120 g/m2 min. (3) Thickness EDS-T-7624-1A 0.1 mm min. (4) Tensile strength EDS-T-7132-J 80 N/cm min. It must be higher than adhesion of adhesive side. 4.2.4. Protectant of film side (1) Material Paper coated with elastomers(2) Weight per unit area EDS-T-7611 90 g/m2 min. (3) Thickness EDS-T-7624-1A
6、 0.1 mm min. (4) Tensile strength EDS-T-7132-J 15 N/cm min. It must be higher than adhesion of adhesive side. 4.3. Requirements for film Test shall be performed on film applied with adhesive without protectant. 4.3.1. Tensile strength (Warp direction) EDS-T-7132-F 14 N/mm2min.4.3.2. Elongation at br
7、eak (Warp direction) EDS-T-7132-F 120 160 %EDS-M-6802PVC FILM SELF ADHESIVE PAGE: 2/4 ISSUED DATE: 1991. 04. 16 REVISED DATE: 2003. 06. 24 VERSION: 3 GM DAEWOO Auto & Technology Designations Test Methods Specifications 4.3.3. Temperature stability EDS-T-7604-3B (1) Dimensional change (Warp direction
8、) 3% max.4.3.4. Softness (Warp direction) EDS-T-7626-A 6.8 8.5 cm4.3.5. Color fastness EDS-T-7415 Rating 7 min.4.4. Requirements of film side in adhered state. (Condition of using panel and lacquer is same with the production) 4.4.1. Resistance to peel EDS-T-7676 (1) 24 hours at +235K 3 N/cm min.(2)
9、 24 hours at +235K 3 N/cm min. 15 minutes at +1005K tested at 235K (3) 24 hours at +235K 10 N/cm min. 120 hours at +802.5K tested at235K (4) 24 hours at +235K 4 N/cm min. 70 hours at +402.5K and 100% relative humidity Tested after 2 hours at +235K (5) 24 hours +235K 3 N/cm min. ASTM G23-69 TYPE DH/E
10、H 500hours BLOCK PNL+ 633K 24 hours +235K (program CAM No 10) 4.4.2. Low temperature test 24 hours at +235K 16 hours at -305K and rubbed with polyamide brush 6 times to and fro at -30 with force of (102)N. No detachment of film edgesNo disadvantage change 4.4.3. Resistance to fuel Test fuel : GME L0
11、001 The test piece adhered to steel plate shall be dipped into test fuel at room temperature for 10 seconds, removed from fuel and dried for 20 seconds. (to and fro 10 times) EDS-T-7617-1B No change of adhesive side, surface of test piece and luster.EDS-M-6802PVC FILM SELF ADHESIVE PAGE: 3/4 ISSUED
12、DATE: 1991. 04. 16 REVISED DATE: 2003. 06. 24 VERSION: 3 GM DAEWOO Auto & Technology Designations Test Methods Specifications 4.4.4. Resistance to cleaning agent Test solution : water 100vol% +automobile shampoo 1vol%. The test piece adhered to steel plate shall be dipped into test solution at room
13、temperature (235K) for 24 hours. No change of adhesion. 4.4.5. Resistance to water The film shall be adhered to lacquer coating side and stored at 235K48hours and dipped into water at 235K24hours No detachment of film edges 4.4.6. Resistance to cleaning systems Test solution : water 80voL% + petrole
14、um 20vol% Temperature of solution : 80 The half of test piece adhered to steel plate is applied with protective wax (L0000555) and stored at 235K 24hours. The agent of high temperature and pressure is spouted on the whole surface of test piece for 30 seconds. The distance of test piece surface and j
15、et is 205cm. No surface change and detachment of adhesive area5. ADDITIONAL REQUIREMENTS 5.1. No other special changes must occur for at least 12 months when stored at +5 to +30 in dry condition without direct solar radiation. 5.2. No permanent marks must remain when the force is exerted enough to w
16、rite on the surface of screen printing 5.3. No holes or other changes on luster side must occur when the luster side of film is strongly rubbed on panel which is coated with primer and lacquer. 5.4. For details, refer to drawings. EDS-M-6802PVC FILM SELF ADHESIVE PAGE: 4/4 ISSUED DATE: 1991. 04. 16
17、REVISED DATE: 2003. 06. 24 VERSION: 3 GM DAEWOO Auto & Technology 6. APPROVAL AND QUALITY ASSURANCE PROCEDURE All raw material shall be approved and regularly inspected for its quality prior to and during mass production delivery according to approval and quality assurance procedure for chemical raw
18、 materials (Spec. no. 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-6802” 9. RELATED STANDARDS EDS-A-0101
19、Material coding system of vehicle plastic and elastomer components and materials EDS-M-0102 Procedures for approval of chemical raw material and quality control EDS-T-7132 Test method for tensile strength & elongation EDS-T-7301 Test method for determining the residue on ignition (ash) of polymeric
20、materials EDS-T-7415 Test method for determining color fastness EDS-T-7604 Test method for determining the temperature stability of automotive trim materials EDS-T-7611 Test method for determining weight per unit area EDS-T-7617 Determination of resistance to fuel of automotive exterior trim components EDS-T-7624 Test method for determining thickness of trim materials EDS-T-7626 Test method for determining softness of trim materials EDS-T-7676 Determining of the resistance to peel of self adhesive tapes and foils
