1、ABN 84 006 893 232 GM Holden Limited Engineering Department MATERIAL SPECIFICATION NUMBER SHEET RELEASE REVISION : HN 2189 1 of 8 December, 1995 May, 2009 NAME: ADHESIVE PREFORMED - EXPANDING THIS DOCUMENT MUST NOT BE REPRODUCED. IF USED IN RELATION TO THE COMPANYS PRODUCTS THE RECIPIENT IS RESPONSI
2、BLE TO CONFIRM THE DOCUMENT ISSUE DATE IS STILL VALID. FORM : S:EngBusProcessEngMaterialsMatlsAndAppearanceNBRspecific0AdminMgmtStandardFormsMatspec.doc 1. SCOPE This specification describes a rubber based material that expands, bonds, and cures during paint oven heats, thereby effecting a bond betw
3、een roof bows and roof outer panel. It may also be used as a gasket material that would provide a water and dust proof seal after expansion. 1.1 This material is provided in an extruded or die cut form. If an antiblocking coating is used, this coating must in no way affect the adhesive characteristi
4、cs of the material under production conditions. 1.2 The 2 material types described are: Type I - Material that does not require stiffness measurement. Type II - Material that does require stiffness measurement (See 3.15) 2. REFERENCES GM4298P GM9037P GM9763P GM4465P GM9505P GM9832P GM9011P GM9753P H
5、N 1000 GMW3059 3. REQUIREMENTS 3.1 Material must part cleanly from paper on which it is furnished without sticking or stretching. 3.2 Odour (GM9832) and Toxicity 3.2.1 The material must not have a toxic noxious odour and shall not have any adverse effects on personnel handling it. It also must not h
6、ave an odour which is perceptible after curing. 3.2.2 The toxicity shall be disclosed in kind and magnitude as required by the GM Material Safety Data Sheet. In addition, the material must have full approval of the appropriate medical departments before production use. ABN 84 006 893 232 GM Holden L
7、imited Engineering Department MATERIAL SPECIFICATION NUMBER SHEET RELEASE REVISION : HN 2189 2 of 8 December, 1995 May, 2009 NAME: ADHESIVE PREFORMED - EXPANDING THIS DOCUMENT MUST NOT BE REPRODUCED. IF USED IN RELATION TO THE COMPANYS PRODUCTS THE RECIPIENT IS RESPONSIBLE TO CONFIRM THE DOCUMENT IS
8、SUE DATE IS STILL VALID. FORM : S:EngBusProcessEngMaterialsMatlsAndAppearanceNBRspecific0AdminMgmtStandardFormsMatspec.doc 3. REQUIREMENTS (continued) 3.3. Expansion (GM9037P) The material must expand between 200-300% when baked per the following cycle: Bake 30 minutes 195oC Cool 20 minutes 25oC 3.3
9、.1 The material, after heat expansion and cure, shall be flexible and have good adhesion to oily galvanized or cold rolled steel surfaces. 3.4 Modulus Samples shall be prepared per GM9753P and baked per bake cycle shown in 3. 3.4.1 The Youngs modulus of the cured sample should be determined at 18.6%
10、 elongation by either the secant or chord method, whichever is applicable. The modulus at a 3mm stretch of a 15 mm gage length shall be between 35 and 86 kPa, using a pull rate of 50 mm/minute. NOTE: Measure cooled sample gap as described in GM9753P. Maximum gap of 0.7 mm permitted. 3.5 Tensile Stre
11、ngth (GM9753P) The material shall conform to the following tensile strength range requirements: Pull rate 50 mm/minute. 3.5.1 Pretest Cured 30 minutes at 195oC and conditioned at room temperature for 24 h: 190 kPa max, 56 kPa min. ABN 84 006 893 232 GM Holden Limited Engineering Department MATERIAL
12、SPECIFICATION NUMBER SHEET RELEASE REVISION : HN 2189 3 of 8 December, 1995 May, 2009 NAME: ADHESIVE PREFORMED - EXPANDING THIS DOCUMENT MUST NOT BE REPRODUCED. IF USED IN RELATION TO THE COMPANYS PRODUCTS THE RECIPIENT IS RESPONSIBLE TO CONFIRM THE DOCUMENT ISSUE DATE IS STILL VALID. FORM : S:EngBu
13、sProcessEngMaterialsMatlsAndAppearanceNBRspecific0AdminMgmtStandardFormsMatspec.doc 3. REQUIREMENTS (continued) 3.5 Tensile Strength (GM9753P) (continued) 3.5.2 Durability The tensile strength shall not drop below 50% of the original value when tested after environmental exposure per 3.6, 3.7, 3.8,
14、3.10 and 3.12. 3.6 Neutral Salt Spray Exposure (GM4298P) After 1 week neutral salt spray, there shall be no evidence of corrosion beneath the material. Tensile strength shall maintain the minimum value set forth in this specification per 3.5.2. 3.7 Thermal/Stress Cycle (GM9505P) After 6 weeks GM9505
15、P Cycle C, there shall be no evidence of corrosion beneath the material. Tensile strength shall maintain the minimum value set forth in this specification per 3.5.2. 3.8 Humidity Exposure (GM4465P) After 3 weeks 38OC/100%RH, there shall be no evidence of corrosion beneath the material. The tensile s
16、trength shall maintain the minimum value set forth in this specification per 3.5.2. 3.9 High Heat Exposure Bake 1 h at 205oC. After bake, place panel for 1 week 38oC/100% RH. There shall not be any corrosion underneath material. 3.10 Aging Characteristic After 2 weeks aging at 70oC, the material sha
17、ll not show signs of brittleness, cracking or reversion to a tacky, gummy condition and the tensile strength shall maintain the minimum value set forth in this specification per 3.5.2. ABN 84 006 893 232 GM Holden Limited Engineering Department MATERIAL SPECIFICATION NUMBER SHEET RELEASE REVISION :
18、HN 2189 4 of 8 December, 1995 May, 2009 NAME: ADHESIVE PREFORMED - EXPANDING THIS DOCUMENT MUST NOT BE REPRODUCED. IF USED IN RELATION TO THE COMPANYS PRODUCTS THE RECIPIENT IS RESPONSIBLE TO CONFIRM THE DOCUMENT ISSUE DATE IS STILL VALID. FORM : S:EngBusProcessEngMaterialsMatlsAndAppearanceNBRspeci
19、fic0AdminMgmtStandardFormsMatspec.doc 3. REQUIREMENTS (continued) 3.11 Cold Shock (GM9022P) The material must withstand one 1.75 J impact -10oC without cracking or loss of adhesion. 3.12 Stability (GM9763P) 3.12.1 Elevated Temperature Stability As received, the material must be capable of withstandi
20、ng a temperature of 54oC for 72 h with no deleterious effects. 3.12.2 Low Temperature Stability As received, the material must be capable of withstanding 3 cycles of the applicable cycle schedule outlined in the test method. 3.12.3 Storage Stability The shelf life of the material shall be 90 days at
21、 a temperature of 35oC. Shelf life of the material commences upon receipt of material from the manufacturer. 3.13 Blocking The parts shall not stick together as packaged when subjected to 54OC for 72 h. ABN 84 006 893 232 GM Holden Limited Engineering Department MATERIAL SPECIFICATION NUMBER SHEET R
22、ELEASE REVISION : HN 2189 5 of 8 December, 1995 May, 2009 NAME: ADHESIVE PREFORMED - EXPANDING THIS DOCUMENT MUST NOT BE REPRODUCED. IF USED IN RELATION TO THE COMPANYS PRODUCTS THE RECIPIENT IS RESPONSIBLE TO CONFIRM THE DOCUMENT ISSUE DATE IS STILL VALID. FORM : S:EngBusProcessEngMaterialsMatlsAnd
23、AppearanceNBRspecific0AdminMgmtStandardFormsMatspec.doc 3. REQUIREMENTS (continued) 3.14 Sag Material must not exceed a max sag of 12 mm forming stalactite through holes when tested as described below: 3.14.1 Material Required a. Three 100 x 300 mm panels with 12.7 mm holes, plan steel as shown in f
24、igure 1. b. Three 100 x 300 mm panels without holes, plane steel. c. Three strips of test material 9 mm dia x 150 mm long. d. 9981831 Mill Oil. e. Metal spacers that allow height of 15mm. f. C Clamps 2. 3.15 Stiffness Procedure for Type II Material (See Figure 2). 1. Support 100 mm of material at on
25、e end. (See Figure 2). 2. Allow remaining portion 900 mm of the strip to hand free. 3. At a horizontal point 150mm, from the end of support suspend a scale to coincide with the top of the suspended strip. 4. Measure distance from tope of the strip to the horizontal plane of support. 5. Make measurem
26、ent 30 s after supporting sample. 6. Strip may droop 80 mm, but not more than 110 mm. 4. APPROVAL, INSPECTION AND REJECTION Refer HN 1000, Clauses A and C. 5. HAZARDOUS MATERIALS Refer HN 1000, Clause H. ABN 84 006 893 232 GM Holden Limited Engineering Department MATERIAL SPECIFICATION NUMBER SHEET
27、RELEASE REVISION : HN 2189 6 of 8 December, 1995 May, 2009 NAME: ADHESIVE PREFORMED - EXPANDING THIS DOCUMENT MUST NOT BE REPRODUCED. IF USED IN RELATION TO THE COMPANYS PRODUCTS THE RECIPIENT IS RESPONSIBLE TO CONFIRM THE DOCUMENT ISSUE DATE IS STILL VALID. FORM : S:EngBusProcessEngMaterialsMatlsAn
28、dAppearanceNBRspecific0AdminMgmtStandardFormsMatspec.doc 6. RESTRICTED AND REPORTABLE SUBSTANCES (i) All substances and parts must meet the requirements of GMW3059. (ii) All chemical components present in materials supplied to this specification must comply with Australian NICNAS (National Industria
29、l Chemicals Notification and Assessment Scheme) obligations. 7. APPROVED SUPPLIERS AND MATERIALS Material known to meet the full requirements of this specification: APPROVED SUPPLIER APPROVED MATERIAL Henkel INCO 6169 Orbseal 18100 Henkel Orbseal 18101 8. REVISIONS July, 2000 -Editorial and Formatti
30、ng corrections. September, 2000 -Approved supplier list added. May, 2009 -Section “3.REQUIREMENTS”, Section “3.5 Tensile Strength (GM9753P)”, Section “3.5.1 Pretest” -Maximum pressure value revised from 112kPa to 190kPa -Revised section “6.RESTRICTED AND REPORTABLE SUBSTANCES” to directly refer to G
31、MW3059 and NICNAS requirements. -Section “7. APPROVED SUPPLIERS AND MATERIALS” -Added approved supplier and material Prepared by : Y.Zia ABN 84 006 893 232 GM Holden Limited Engineering Department MATERIAL SPECIFICATION NUMBER SHEET RELEASE REVISION : HN 2189 7 of 8 December, 1995 May, 2009 NAME: AD
32、HESIVE PREFORMED - EXPANDING THIS DOCUMENT MUST NOT BE REPRODUCED. IF USED IN RELATION TO THE COMPANYS PRODUCTS THE RECIPIENT IS RESPONSIBLE TO CONFIRM THE DOCUMENT ISSUE DATE IS STILL VALID. FORM : S:EngBusProcessEngMaterialsMatlsAndAppearanceNBRspecific0AdminMgmtStandardFormsMatspec.doc ADHESIVE E
33、XPANDABLE FIGURE 1 ABN 84 006 893 232 GM Holden Limited Engineering Department MATERIAL SPECIFICATION NUMBER SHEET RELEASE REVISION : HN 2189 8 of 8 December, 1995 May, 2009 NAME: ADHESIVE PREFORMED - EXPANDING THIS DOCUMENT MUST NOT BE REPRODUCED. IF USED IN RELATION TO THE COMPANYS PRODUCTS THE RECIPIENT IS RESPONSIBLE TO CONFIRM THE DOCUMENT ISSUE DATE IS STILL VALID. FORM : S:EngBusProcessEngMaterialsMatlsAndAppearanceNBRspecific0AdminMgmtStandardFormsMatspec.doc ADHESIVE EXPANDABLE ALL DIMENSIONS IN mm FIGURE 2
