1、A.C.N. 006 893 232Holden LimitedEngineering DepartmentMATERIAL SPECIFICATIONNUMBERSHEETRELEASEREVISION:HN 21521 of 8August, 1994August, 2002NAME: ADHESIVE, MOISTURE CURE, POLYURETHANE, GLASSTHIS DOCUMENT MUST NOT BE REPRODUCED. IF USED IN RELATION TOTHE COMPANYS PRODUCTS THE RECIPIENT IS RESPONSIBLE
2、 TOCONFIRM THE DOCUMENT ISSUE DATE IS STILL VALID.FORM : I:CentralLaboratoryStandardFormsMaterialSpecificationMatspec.doc1. SCOPEThe specification details the requirements of a fast curing 1 component materialthat cures by absorbing moisture from the air to form a rubbery, adherent, blacksealant adh
3、esive suitable for retaining stationary glass in the body opening, and isresistant to extended outdoor weathering without losing its adhesion and physicalcharacteristics.1.1 This material must be used in conjunction with the appropriate stationaryglass primers. Refer to the appropriate material spec
4、ification for therequirements of the primers.2. REQUIREMENTSSpecific material requirements and appropriate test methods are listed underproperties.2.1 Physical Properties.2.1.1 Specific Gravity (ASTM D147) 1.14 0.02.2.1.2 Solids Content (GM9010P) 98% min.2.1.3 Viscosity (GM9021P):Orifice 2.64 mm.Pre
5、ssure 410 kPa.Sample Weight 20 g.Seconds The viscosity shall be 25to 55 s after thefollowing conditions:Initial, as received72 h 55 2C60 days 23 2C.2.1.4 Colour Black.2.1.5 Odour (GM9832P). The material must not have a toxic or noxiousodour. After curing, the material must be relatively nonodorous.A
6、.C.N. 006 893 232Holden LimitedEngineering DepartmentMATERIAL SPECIFICATIONNUMBERSHEETRELEASEREVISION:HN 21522 of 8August, 1994August, 2002NAME: ADHESIVE, MOISTURE CURE, POLYURETHANE, GLASSTHIS DOCUMENT MUST NOT BE REPRODUCED. IF USED IN RELATION TOTHE COMPANYS PRODUCTS THE RECIPIENT IS RESPONSIBLE
7、TOCONFIRM THE DOCUMENT ISSUE DATE IS STILL VALID.FORM : I:CentralLaboratoryStandardFormsMaterialSpecificationMatspec.doc2. REQUIREMENTS (continued)2.1 Physical Properties. (continued)2.1.6 Toxicity. The material must not adversely affect those personnelhandling it.2.2 Performance Requirement2.2.1 Cu
8、re Rate.2.2.1.1 Tensile Test (GM9775P). Prepare sample couponsaccording to the procedure outlined in GM9775Pusing the appropriate primers and paint substrates.The samples shall cure 23 2C and 30% RH andhave the following minimum tensile strengths at thefollowing cure times:3 h, 240 N min48h, 1100 N
9、min2.2.1.2 Overlap Shear Test (GM9521P). The material musthave the following minimum shear strengths whencured 23 2C and 30% RH for the time indicated(see Table 1).TABLE 1Cure Time (h) Overlap Shear Strength(kPa, min)372168250350035002.2.2 Tear Strength (ASTM D624). A minimum tear strength of800 N o
10、n a die C sample after curing 23 2C and 30%RH for 168 h and pulled at a rate of 500 mm/minute.A.C.N. 006 893 232Holden LimitedEngineering DepartmentMATERIAL SPECIFICATIONNUMBERSHEETRELEASEREVISION:HN 21523 of 8August, 1994August, 2002NAME: ADHESIVE, MOISTURE CURE, POLYURETHANE, GLASSTHIS DOCUMENT MU
11、ST NOT BE REPRODUCED. IF USED IN RELATION TOTHE COMPANYS PRODUCTS THE RECIPIENT IS RESPONSIBLE TOCONFIRM THE DOCUMENT ISSUE DATE IS STILL VALID.FORM : I:CentralLaboratoryStandardFormsMaterialSpecificationMatspec.doc2. REQUIREMENTS (continued)2.2 Performance Requirement (continued)2.2.3 Hardness, Sho
12、re ATABLE 2Environment Hardness (Shore A)168 h 23 2C and 30% RH4 h - 30C plus (test at temperature)336 h 70 2C (test 23 2C)55 515 point max over 168 h value above15 point max over 168 h value above2.2.4 Environmental Shear Testing. All shears are prepared asoutlined in GM9521P and cured for 72 h 23
13、2C and 50%RH. The samples are exposed to the appropriate environmentas detailed below. The samples are allowed to recover to 23 2C and 50% RH before pulling unless otherwise stated. Allsamples should produce cohesive failure within the glassbonding material with a min bond strength of 1300 kPa.2.2.4
14、.1 Humidity (GM4465P). Samples are exposed for168 h to an environment of 35 2C and 100%RH.2.2.4.2 Environmental Cycle (GM9050P, Cycle I).5cycles.2.2.4.3 Heat Age. Samples are exposed for 336 h to atemperature of 70 3C.2.2.4.4 Water Immersion Plus Heat Age. Samples areimmersed for 72 h in water 55 2C
15、. Thesamples are then exposed for 96 h to atemperature of 70 2C.A.C.N. 006 893 232Holden LimitedEngineering DepartmentMATERIAL SPECIFICATIONNUMBERSHEETRELEASEREVISION:HN 21524 of 8August, 1994August, 2002NAME: ADHESIVE, MOISTURE CURE, POLYURETHANE, GLASSTHIS DOCUMENT MUST NOT BE REPRODUCED. IF USED
16、IN RELATION TOTHE COMPANYS PRODUCTS THE RECIPIENT IS RESPONSIBLE TOCONFIRM THE DOCUMENT ISSUE DATE IS STILL VALID.FORM : I:CentralLaboratoryStandardFormsMaterialSpecificationMatspec.doc2. REQUIREMENTS (continued)2.2 Performance Requirement (continued)2.2.4 Environmental Shear Testing.2.2.4.5 Weather
17、ometer (GM9125P). Test 2000 hexposure on primed painted metal to primedpainted metal shears.2.2.4.6 Ozone Test (GM9734P). Test for 72 h on primedpainted metal to primed painted metal shears.Weathermometer (GM9125P). Test 1000 hexposure on primed approved glass to primedpainted metal shears.2.2.4.7 W
18、eathermometer (GM9125P) Test 1000hexposure on primed approved glass to primedpainted metal shears.2.2.4.8 Allunga Exposure (GM9163P). Test 2 yearAllunga exposure on primed approved glass toprimed painted metal shears.2.2.5 Vibration Test. The material and bond on all vibration testsamples after the
19、following environments shall withstand,without loss of adhesion, the shear as outlined in the vibrationtest method below:168 h 23 2C and 50% RH336 h 70 2C1000 h Weatherometer (GM9125P)ar Allunga exposure (GM9163P)2.2.5.1 Test Samples. The following substrates areneeded: approved glass coupons measur
20、ing 90 x125 x 6 mm and metal coupons measuring 150 x50 x 0.9 mm primed and painted with productionpaint systems.A.C.N. 006 893 232Holden LimitedEngineering DepartmentMATERIAL SPECIFICATIONNUMBERSHEETRELEASEREVISION:HN 21525 of 8August, 1994August, 2002NAME: ADHESIVE, MOISTURE CURE, POLYURETHANE, GLA
21、SSTHIS DOCUMENT MUST NOT BE REPRODUCED. IF USED IN RELATION TOTHE COMPANYS PRODUCTS THE RECIPIENT IS RESPONSIBLE TOCONFIRM THE DOCUMENT ISSUE DATE IS STILL VALID.FORM : I:CentralLaboratoryStandardFormsMaterialSpecificationMatspec.doc2. REQUIREMENTS (continued)2.2 Performance Requirement (continued)2
22、.2.5 Test Samples (continued)2.2.5.2 Vibration Test Method. A isosceles triangularshaped bead of material, 6 mm wide at the base,15 mm high and 95 mm long is placed on a flatside of the glass plate along one of the 95 mmedges. The glass is then positioned so as tosandwich the material between it and
23、 the steelpanel and forced down until the material reaches auniform thickness of 5 mm. The specimens arecured for a minimum of 72 h 23 2C and 50%RH and them subjected to the test condition. Afterthe specified exposure, each sample is tested onthe vibration machine and must withstand, withoutphysical
24、 change, a total of 900 000 cycles of shearusing 0.4 mm deflection and 0.3 mm tension. Allsamples must pass 300 000 cycles each 23 2C and 50% RH as well as water immersion 23 2C.2.2.6 Modulus of Rigidity in Shear. Shears are prepared as outlined inGM9521P and cured for 72 h 23 2C and 50% TH. Themate
25、rial shall have a min modulus of rigidity in shear of 1000 kPa(145PST). The method for computing modulus is given below:G = Modulus of rigidity in shearP = Shear load (lbs) in deflection DD = Deflection at load P (inches)A = Area (square inches)T = Thickness of sealant (inches)()(DATPG =A.C.N. 006 8
26、93 232Holden LimitedEngineering DepartmentMATERIAL SPECIFICATIONNUMBERSHEETRELEASEREVISION:HN 21526 of 8August, 1994August, 2002NAME: ADHESIVE, MOISTURE CURE, POLYURETHANE, GLASSTHIS DOCUMENT MUST NOT BE REPRODUCED. IF USED IN RELATION TOTHE COMPANYS PRODUCTS THE RECIPIENT IS RESPONSIBLE TOCONFIRM T
27、HE DOCUMENT ISSUE DATE IS STILL VALID.FORM : I:CentralLaboratoryStandardFormsMaterialSpecificationMatspec.doc2. REQUIREMENTS (continued)2.2 Performance Requirement (continued)2.2.7 Compatibility with Repair Materials.2.2.7.1 GM Service Material. Prepare shears according toGM9521P as cured 23 2C and
28、50% RH for 504h. Cut the shears by running knife through the lengthof the material bead. Leave half the material on eachshear coupon. Rebuild the shear coupons using thecut coupons and the approved GM urethane servicekit (9981450 urethane). Allow the material to cure for72 h 23 2C and 50% RH. The mi
29、nimumcohesive strength of the urethanes shall be 1300 kPa.2.2.7.2 In Plant Repair. Follow the procedure in 3.2.7.1.except use the test material instead of the 9981450.2.2.8 Porosity. A 6 x 6 x 100 mm bead laid on a clean glass surfaceshall show no evidence of gassing at the glass material interfacea
30、fter curing 72 h 75 2C and 50% RH. A longitudinal cutthrough the bead shall show no porosity.2.2.9 Elongation *ASTM D638). Cure samples for 168 h 23 2Cand 50% RH. Cut samples using die #4. The jaw distance shallbe 25 mm. The percent elongation range shall be reported andwill become a requirement of
31、the material.2.2.10 Coefficient of Expansion. Use thermal mechanical analysis todetermine the linear expansion coefficient from -24 to 38C.The coefficient shall be reported in mm/m, C and will become arequirement of the material.A.C.N. 006 893 232Holden LimitedEngineering DepartmentMATERIAL SPECIFIC
32、ATIONNUMBERSHEETRELEASEREVISION:HN 21527 of 8August, 1994August, 2002NAME: ADHESIVE, MOISTURE CURE, POLYURETHANE, GLASSTHIS DOCUMENT MUST NOT BE REPRODUCED. IF USED IN RELATION TOTHE COMPANYS PRODUCTS THE RECIPIENT IS RESPONSIBLE TOCONFIRM THE DOCUMENT ISSUE DATE IS STILL VALID.FORM : I:CentralLabor
33、atoryStandardFormsMaterialSpecificationMatspec.doc2. REQUIREMENTS (continued)2.3 Process Requirements2.3.1 Open Time. Prepare shear coupons as outlined in GM9521Pexcept before the top shear coupon is placed over the testmaterial, condition the shears and material 35 2C and 95%RH for 5 minutes. After
34、 the 5 minutes exposure, place the topshear coupon over the test material and allow the material tocure for 168 h 23 2C and 50% RH. The minimumcohesive shear strength requirement must be 1300 kPa.2.3.2 Sag Test. A right triangular shaped bead of material, 6 mm wideat the base and 15 mm high, shall b
35、e applied to a steel panel ona plan 60 from the horizontal. The bead shall be applied in ahorizontal direction on the inclined panel at a rate of 75 mm/s.The test shall not sag more than 5 mm in 3 h 23 2C and50% RH.2.3.3 Staining (GM9734P). The material shall not show a migratingstain on production
36、otopcoats or stain production windshieldglass interliner.2.3.4 Clean-up (GM9734P). The material shall be readily removablefrom production topcoats, glass surfaces, glass innerliners andvinyl top materials, with 9981606 solvent (or solvent agreedupon at time of approval with appropriate GM engineerin
37、ggroup).A.C.N. 006 893 232Holden LimitedEngineering DepartmentMATERIAL SPECIFICATIONNUMBERSHEETRELEASEREVISION:HN 21528 of 8August, 1994August, 2002NAME: ADHESIVE, MOISTURE CURE, POLYURETHANE, GLASSTHIS DOCUMENT MUST NOT BE REPRODUCED. IF USED IN RELATION TOTHE COMPANYS PRODUCTS THE RECIPIENT IS RES
38、PONSIBLE TOCONFIRM THE DOCUMENT ISSUE DATE IS STILL VALID.FORM : I:CentralLaboratoryStandardFormsMaterialSpecificationMatspec.doc2. REQUIREMENTS (continued)2.4 Stability Requirements (GM9763P)Material conditioned as described below must be able to pass allrequirements of this specification:2.4.1 Ele
39、vated Temperature Stability. The material as shipped, mustbe capable of withstanding a temperature of 43 2C for 72 h.2.4.2 Low Temperature Stability. The material as shipped, must becapable of withstanding 3 cycles detailed in test methodGM9763P.2.4.3 Storage Stability. The shelf life of the materia
40、l shall be 60 daysat a temperature not to exceed 35C. Shelf life of the materialcommences upon receipt of the material from the manufacturer.3. APPROVAL, INSPECTION AND REJECTION:Refer HN 1000, Clauses A, C and G.4. HAZARDOUS MATERIALSRefer HN 1000, Clause H (Documentation submission only required if materialsupplied for direct use in Holden premises)5. RESTRICTED CHEMICALSRefer HN 1000, Clause J.6. REVISIONSAugust, 2002 - Corrected Section 2 numbering.- Expanded Section 3 and 4 to Sections 3, 4 and 5- General format editing for readability
