H10M401I1JRIMMHESPCA0026300006 English recuperado 修改版本防腐Word格式.docx

H10M401I1JRIMMHESPCA0026300006 English recuperado 修改版本防腐Word格式.docx

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∙Manufacturer’sname

∙Nameoftheproduct

∙Deliveryorcontainernumber

∙Manufacturedate

∙Expirydate

Thepurchaserreservestherighttorejectanycoatingmaterialwhichhasnotbeenapprovedbythevendororbyhissubcontractorwithregardtocompliancewiththestandardsofthemanufacturerorwiththerequirementsofthisspecificationwhichestablishesthatthecoatingmaterialshallnothaveanyofthefollowingproblems:

∙Inadequatelystoredmaterial

∙Materialswithpastsell-bydate

∙Damagedornotmarkedmaterial

9.1.2EpoxyPowder

Allepoxypowdersshallcomplywiththematerialpropertiesandtestingstandardsindicatedinthefollowingtable:

PROPERTY

UNIT

ACCEPTANCECRITERIUM

TESTINGMETHOD

Particlesize%

∙Screen100

∙Screen10

%Retained

Maximum10

Maximum90

ASTMD3451

Geltime（at200°

C）

Second

Accordingtomanufacturer’sinstructions

DIN55990

Density

gr/cm3

ASTMD792

Moisturecontent

%

0.5%Maximum

ASTME203

Epoxypowdermanufacturersshallprovidetheinformationlistedbelowforeachpowderdelivery.Likewise,standardsofcomparisonshallbeprovided.Thisinformationshallbeusedtoverifythatnochangehasbeenmadetoepoxymaterialformulation.

∙Powderinfraredscanningandpowdertypicalscanningforcomparison.

∙Geltimeattherecommendedapplicationtemperature

∙Particlesizedistribution

∙Moisturecontent

9.1.3AdhesiveMaterial

Alladhesivesshallcomplywiththematerialpropertiesindicatedinthefollowingtable:

Meltrate

gr/10min

3to8

ASTMD1238

0.91to0.95

ASTMD1505

Yieldstrength

MPa

Minimum11

ASTMD638

Elongation

Minimum500

Flexuralmodulus

Minimum60

ASTMD790

Hardness

ShoreD

Minimum30

ASTMD2240

Meltingpoint

°

C

Minimum95

ASTMD1525

9.1.4HighDensityPolyethylene（HDPEvirginresin）

Allhighdensitypolyethyleneresinstobeusedshallcomplywiththematerialpropertiesandthestandardizedtestsindicatedinthefollowingtable:

Color

Manufacturer’sstandard

psi

Minimum2700psi

Minimum700%atrupture.

（CSAZ24521:

Min600%）forVirginresinand300%forcoatingtest.

0.94to0.96

Coalcontent

2%to2.5%

ASTMD1603

DielectricConstant

Volts/mil

Minimum800

ASTMD149

Environmentalstress-crackingresistance

MinimumF50:

10%IgepalCO-630,Valueof150hours100%

IgepalCO630,valueof1000hours

Mini.300hoursasCSAZ245.21

ASTMD1693

Abrasionresistance

Withoutchangesinappearanceorelectricresistance

ASTMG6-69

Impactresistance.

（CSAZ245.20page25isforFBEnotforHDPE）

in-lb

Minimum160in-lbat77°

F（25°

C）and108in-lbat-40°

F

（AcceptancecriteriaisnotsameasCSA）

ASTMG14

Bluntrodpenetration

Maximum13%

ASTMG17

Cathodicdisbondment

In

Maximum–30days:

0.015in277°

C）,

0.50in2140°

F（60°

（1.5v20°

C28days,and3.5V65°

C24hours.asCSAZ245.21forHDPEcoatingtestbutnotforHDPEresin）

ASTMG8

Flow

0.15-0.80

Minimum60ShoreD

Oxidativeinductiontime

Minimum10minutesinoxygenat428°

F（220°

C）.

ASTMD3895

Permeability–Watervapor

Gm/m2/24h

Maximum0.3at230C,0.1mm

DIN53122

Permeability–Oxygen

Cm3/m2/24h/bar

Maximum650at230C,01mm

DIN53380

Waterabsorption

Wt%/24hr

Maximum0.01wt%

ASTMD746

Brittlenesstemperature

Maximum-94°

F（-70°

C）（forF20）

UVrayresistance

Capableofwithstanding2yearsoutdoorswithoutloosingproperties.

Highdensitypolyethylenetobeusedshallbevirginmaterial（i.e.,notrecycledmaterial）

9.2Pipepreparation

9.2.1General

Allcoatingmaterialshallbeappliedinaccordancewiththeinstructionsofthematerialmanufacturer.

Itistheresponsibilityofthevendororsubcontractortostopthecoatingprocedureunderconditionsthatmayadverselyaffectthecoatingquality.

Thebuyerreservestherighttorejectanycoatingproductwhichhasnotbeentestedbythevendororhissubcontractorwithregardtothecompliancewiththisspecification.

Duringallstagesofcoatingapplication,pipebeveledendsshallbeprotectedagainstdamage.

Thepipeendsshallbeleftuncoveredaccordingtothefollowingdetail:

Thepipeendtobetaperedwithamini.100maxi.200mmuncoatedlengthfrompipeend.

Thisareashallbeappropriatelyprotectedduringthecoatingprocedure.

9.2.2SurfacePreparation

Surfacestobecleanedshallbefreefromanyforeignmaterials.AllgreaseandoilshallberemovedbymeansofacleaningsolventasperstandardSSPS-SP1.Onlysaferesidue-freesolventsmaybeused.Gasolineandkeroseneareunacceptable.

Anytypeofsaltordustshallberemovedwithahighpressurewaterjet.Thewatertobeusedshallbecleanandappropriatelyfilteredinordertoavoidpipesurfacecontamination.

Incaseofseverecorrosionoanyothersurfacecontamination,thesurfaceshallbewashedwithanaqueousacidsolution.Thevendorandhissubcontractorshallprovidethespace,equipmentandmaterialstoperformthiswashingprocedure.

Beforecleaningorblasting,pipesshallbeatleast30°

C（3°

C）abovethedewpoint.Ifrequired,preheatshallbeused.Pipesshallbeevenlyandgraduallyheated.Pre-heattemperatureshallnotexceed150°

C.Pipesmayalsobepre-heatedtoremovegrease,oil,orsolvents（RefertoCSAZ245.21-6.2.2.3）

Pipessurfacestobecoatedshallbeabrasiveblasteduntilreachingwhitemetal,asperSSPS-SP10（SSPC-SP10）requirements.

Abrasivelevelshallbemaintainedbyfrequentlyaddingsmallamountsofabrasivematerial.Largeorirregularadditionsshallnotbeused.

Abrasivesshallbeappropriatelyfilteredtoensuretheyarefreefrompollutants.Foracontinuousandeffectiveoperation,theabrasivework-mixforblastingmachinesshallbemaintainedfreefrompollutants.Abrasivewheelequipmentshallprovideanappropriatemixtureofshotandgrit.

Afterblasting,pipesshallbecarefullyinspectedforchipsandothersurfacedefects.Thesedefectsshallbeadequatelyremoved,grindedand/orpolished.Theblastingprofileshallbecheckedfortheserepairedareas.Iftheprofileisnotbetween1.5and2.5milsoverasinglearealargerthen25inch2,thepipeshallbeblastedagainattheexpenseofthevendor.Pipeshallbeblastedagainattheexpenseofthevendorifanyjointprofileisdestroyedoveranareagraterthan0.5%ofthejointoutersurface.

Slightshadows,streaks,ordiscolorationshallbeaccepted.However,atleast95%ofeachsquarefootofsurfaceshallhavetheuniformgreyappearanceofthesurfaceofwhiteblastedmetal.

Theprofileshallbeverifiedbyusinganappropriatequantitativetestingmethod.

Surfacepreparationsorrepairsshallnotreducethepipethicknessbelowtheminimumrequiredtocomplywiththespecifications.Thewallthicknessofeachpipeshallbeverifiedbyusingaproperlycalibratedultrasonicgauge.

Aftersurfacepreparationandbeforeheatingpipesfortheepoxymaterialtobeapplied,pressurizedairorvacuumshallbeusedtoremoveeverylooseabrasive,metalorotherpollutingpart