1、ABN 84 006 893 232 GM Holden Limited Engineering Department MATERIAL SPECIFICATION NUMBER SHEET RELEASE REVISION : HN 2470 1 of 4 June, 2006 September, 2006 NAME: ACOUSTIC POLYURETHANE FOAM (FOR SPECIFIC PART) THIS DOCUMENT MUST NOT BE REPRODUCED. IF USED IN RELATION TO THE COMPANYS PRODUCTS THE REC
2、IPIENT IS RESPONSIBLE TO CONFIRM THE DOCUMENT ISSUE DATE IS STILL VALID. FORM : I:CentralLaboratoryStandardForms MaterialSpecificationMatspec.doc 1. MATERIAL The material described in this specification is a cast semi-closed cell polyurethane foam. Note: This specification refers specifically to GM
3、Holden Part Number 92184633 Insulator-Front Fender. 2. REFERENCES GMW3059 HN 1000 ASTM 412 MVSS 302 AS 1045 AS 2282 3. APPLICATION Used as a seal to attenuate engine and road noise. 4. SPECIFIC REQUIREMENTS Property Specification Requirement 4.1 Density, g/l AS 2282 22 +/- 3 4.2 Thickness, mm - 19 +
4、/- 3 4.3 Tensile Strength, kg/cm2 ASTM 412 2.4 +/- 0.4 4.4 Elongation, % ASTM 412 90 +/- 5 4.5 Tear Strength, kg/cm AS 2282 0.85 +/- 0.1 4.6 Compression Set %, 50% Deflection 24 hr. 70oC AS 2282 15 max. 4.7 Cold Resistance at -30oC 24 hrs. 1800 Bend AS 2282 no cracks ABN 84 006 893 232 GM Holden Lim
5、ited Engineering Department MATERIAL SPECIFICATION NUMBER SHEET RELEASE REVISION : HN 2470 2 of 4 June, 2006 September, 2006 NAME: ACOUSTIC POLYURETHANE FOAM (FOR SPECIFIC PART) THIS DOCUMENT MUST NOT BE REPRODUCED. IF USED IN RELATION TO THE COMPANYS PRODUCTS THE RECIPIENT IS RESPONSIBLE TO CONFIRM
6、 THE DOCUMENT ISSUE DATE IS STILL VALID. FORM : I:CentralLaboratoryStandardForms MaterialSpecificationMatspec.doc 4. SPECIFIC REQUIREMENTS (continued) Property Specification Requirement 4.8 Flammability, mm/min MVSS 302 100 max 4.9 Odour - No objectionable odour. 4.10 Noise Reduction Co-efficient, A
7、S 1045 AS 1045 0.38 min 4.11 Water Absorption - 2% max, by weight 5. FLEXIBILITY TEST 5.1 Method (refer to Figure 1) (i) Place the part on a flat surface (table), align the apex of the arrow (on the part) with the edge of the table and allow the part to sag. (ii) Use a straight edged long ruler and
8、place on the table next to the part to represent the part with no sag. (iii) Use a second ruler and measure amount of sag from the bottom of the part to the bottom of the straight edge. 5.2 Acceptance: The minimum acceptance sag is 150mm. ABN 84 006 893 232 GM Holden Limited Engineering Department M
9、ATERIAL SPECIFICATION NUMBER SHEET RELEASE REVISION : HN 2470 3 of 4 June, 2006 September, 2006 NAME: ACOUSTIC POLYURETHANE FOAM (FOR SPECIFIC PART) 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 S
10、TILL VALID. FORM : I:CentralLaboratoryStandardForms MaterialSpecificationMatspec.doc 5. FLEXIBILITY TEST (continued) Figure 1 - Part Number 92184633 Insulator-Front Fender 6. APPROVAL, INSPECTION AND REJECTION Refer HN 1000, Clauses A and C. 7. HAZARDOUS MATERIALS Refer HN 1000, Clause H. 8. RESTRIC
11、TED AND REPORTABLE SUBSTANCES (i) All substances and parts must meet the compositional requirements of GMW3059. (ii) All chemical components present in materials supplied to this specification must comply with Australian NICNAS (National Industrial Chemicals Notification and Assessment Scheme) oblig
12、ations. ABN 84 006 893 232 GM Holden Limited Engineering Department MATERIAL SPECIFICATION NUMBER SHEET RELEASE REVISION : HN 2470 4 of 4 June, 2006 September, 2006 NAME: ACOUSTIC POLYURETHANE FOAM (FOR SPECIFIC PART) THIS DOCUMENT MUST NOT BE REPRODUCED. IF USED IN RELATION TO THE COMPANYS PRODUCTS
13、 THE RECIPIENT IS RESPONSIBLE TO CONFIRM THE DOCUMENT ISSUE DATE IS STILL VALID. FORM : I:CentralLaboratoryStandardForms MaterialSpecificationMatspec.doc 9. APPROVED SUPPLIERS AND MATERIALS Material known to meet the full requirements of this specification: APPROVED SUPPLIER APPROVED MATERIAL Bostik
14、 Suinso F5 10. REVISIONS September 2006 - Revised specification title to reflect that this specification refers to a specific part. - Section “1.MATERIAL” - added “Note” to explain that this specification refers specifically to Part Number 92184633. - Added section “5. FLEXIBILITY TEST” - Changed th
15、e numbering of sections “5.APPROVAL, INSPECTION AND REJECTION”, “6.HAZARDOUS MATERIALS”, “7.RESTRICTED AND REPORTABLE SUBSTANCES” and “8.APPROVED SUPPLIERS AND MATERIALS” to 6, 7, 8 and 9 respectively. - Revised section “8.RESTRICTED AND REPORTABLE SUBSTANCES” to directly reference GMW3059 and NICNAS requirements. Prepared By: Y. Zia
