SI209430S002 RAC organic finish on hot rolled or cold rolled steel 测试标准收集

STANDINGINSTRUCTION

S.I.NO.

209430

SECT.

002

PART

PAGE

PAGE

4

of4

REV.

3

Title:

RACOrganicFinishonColdRolledorHotRolledSteel

PAGE

4

CAD-2018(5/96)

g GEAppliances

STANDINGINSTRUCTION

S.I.NO.

209430

SECT.

002

PART

PAGE

PAGE

1

of4

REV.

3

Title:

RACOrganicFinishonColdRolledorHotRolledSteel

LATESTREVISIONRECORD:

SH.

REV.

SH.

REV

SH.

REV.

SH.

REV.

SH.

REV.

1-4

3

“ThelatestrevisionofthisdocumentislocatedonApplianceNet,TechnologyHomepage.”

APPROVALS:

DonGunnoe

Author-Title:Sr.Dev.Engineer

Note:ThisStandingInstructionwasinitiallyreleasedas“Two-CoatBakedFinishonColdRolledorHot

RolledSteel”usingdocumentnumber“SI-209430Pt.No.115B”.Theelectronicconversionon8/25/03

correctlyrenamesdocumentnumberto“SI209430S002”.

DISTRIBUTION:

REVISIONS

0

3

D.Gunnoe

9-25-64

12-3-82

J.VanWinkle

1

D.Gunnoe

11-5-80

J.VanWinkle

2

D.Gunnoe

2-2-82

J.VanWinkle

GENERAL

Thisspecificationidentifiestheperformanceexpectedfrompaintedsteelpartsusedinroomairconditioners.Thisperformanceisexpectedofthesystemconsistingofsubstrate(CRSorHRS),thecurrentzincphosphate,bakedprimer,andbakedtopcoat.Thepropertiesofthesecomponentsaredescribedinthefollowingspecifications.

Material Procedure

Substrate B8A3-,B8A4, -

B8A27-,B8A29-

Phosphate - P50LD9

Primer A50LD110 -

Topcoat A50LD50 -

USEOFTHISSPECIFICATION

ProcessControl

Forthepurposeofday-to-daycontrolofthesurfacepreparationandpaintingprocesses,thefollowingpropertiesshouldbemeasuredatleastonceeachshiftbymanufacturing:

1,2,3,4,7

MonthlyAudits

Thefollowingpropertiesshouldnormallybemeasuredduringanaudit(exceptedgecreepin8,10,and11,unlesspartshavepaintededges):

1,2,3,4,7,8,9,10,11,13,14,15

Thefollowingparametersshouldnormallyfallontheacceptablesideofthevaluesindicated,butwillnotofthemselvesnormallybeoccasionsforfailinganauditunlessthedeviationsaresevereand/ornumerous:

2,3,4,7,13,14,15

NewProductAcceptance(SeeOperatingPracticeInstructionMEI-D14-007)

Whentestingnewcomponentsofthefinishsystemsforacceptance,allpropertiesshouldbetestedinathreeorfourstepprocedureconsistingof:

Standardsteelsubstrate(standardpanels)withlaboratorypreparationofthesubjectcomponent.Ifsuccessful,then…

GEsteelsubstrate(panelscutfromproductionsteel)withlaboratoryorPilotlinepreparationofthesubjectcomponent.Ifsuccessfulatthisstage,then…

TrialRunontheproductionequipment.Fortestingatthisstage,allportionsofeachpropertyrequirementsshallbetested,includingtheperformanceofpaintededgesonproductionsteelparts.ThisstepincludessuccessfulcompletionontestingatKureBeach.Ifsuccessfulatthisstage,then…

SubmissionofnewprimerorfinishformulationstoUnderwriter’sLaboratoriesfortestingunderUL683Standard.Successfulcompletionofallrequiredstepssignifiesperformanceapprovalfortheproposedfinishsystemcomponent.

PROPERTYREQUIREMENTS

PHYSICAL

TEST TESTMETHOD CHARACTERISTIC VALUE

(si209455,Sec2) (MaxUnlessMarked)

1.FilmThickness Pt.16 - .7Mils.Min.

2.Hardness Pt.19,Pencil - H,Min.

3.Adhesion Pt.12A Intercoat H,Min.

Substrate H,Min.

4.Impact Pt.20 Direct 8in.lb.Min.

5.HeatResistance Pt.3 ColorChange E<1.0

100%overbake GlossChange G<5%

Impact 8in.lb.min.

6.Abrasion Pt.11-RCA Break-through 70cy/mil.

275g.load

7.Phosphate E9C245E 125-300mg/ft2

CoatingWeight

CORROSION

8.SaltSpray Pt.6,500hrs. EdgeCreep 5/32”

95,5% ScribeCreep 10/32”

TFC 0.5%

9.Humidity Pt.4A,1000hrs. Blistering 5%

100F,100RH Softening H<1pencil

Adhesion A<1pencil

TEST TESTMETHOD CHARACTERISTIC VALUE

(si209455,Sec2) (MaxUnlessMarked)

10.Sand-salt Pt.7,1000hrs. AtH20,

110F, 3% EdgeCreep 8/32”

ScribeCreep 16/32”

BelowH20,

EdgeCreep 4/32”

ScribeCreep 8/32”

TFC 1%

11.WaterImmersion Pt.4B,1000hrs. AboveH20,

120F, TapWater EdgeCreep 0

TFC 0

Blistering 5%

AtH20,

EdgeCreep 4/32”

BelowH20,

EdgeCreep 2/32”

TFC 1%

Blistering 10%

12.Outdoor Pt.5,12months EdgeCreep 2/32”

Exposure KureBeach ScribeCreep 2/32”

TFC 0

Blistering 0

Chalking Slight

ColorChange E<2

Adhesion NoVisualLoss

Hard