3 3M ™ Scotchkote ™ 134 Fusion Bonded Epoxy Coating Information, Properties and Test Results
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3M™ Scotchkote™ 134 Fusion Bonded Epoxy Coating
Information, Properties and Test Results
Table of Contents
PAGE
1 - Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2 - Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
3 - History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
4 - Manufacturing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
5 - ProcessandqualityControl . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
6 - Packaging,StorageandShipping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
7 - PropertiesofthePowder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
8 - PropertiesoftheCoating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
8 .1 Hardness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
8 .2 TensileStrength . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
8 .3 Elongation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
8 .4 ImpactResistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
8 .5 AdhesiveStrength . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
8 .6 PenetrationResistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
8 .7 Bendability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
8 .8 CoefficientofFriction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
8 .9 Thermal–Mechanical . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
8 .10 VolumeResistivity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
8 .11 ElectricStrength . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
8 .12 WeatheringResistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
8 .13 CathodicDisbondmentResistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
8 .14 MoistureResistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
8 .15 AutoclaveTesting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
8 .16 TasteandOdorProductionPotential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
8 .17 VOCProductionPotential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
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3M™ Scotchkote™ 134 Fusion Bonded Epoxy Coating 1 - Introduction
Thecostofthecoatingisonlyasmallfractionofthecostofatubingstring,yetthecoatingisthemajormeansofassuringextendedoperationbypreventingdeteriorationandservicedisruptionduetocorrosionloss .3M™Scotchkote™FusionBondedEpoxyCoatingsrepresentasignificantimprovementininternalcoatingtechnologyfortheoil,gasandwaterindustries .
2 - DescriptionScotchkote134fusionbondedepoxycoatingisaone-part,heatcurable,thermosettingepoxycoatingdesignedforcorrosionprotectionofmetal .Theepoxyisappliedtopreheatedsteelasadrypowderwhichmeltsandcurestoauniform,coatingthickness .Thisbondingprocessprovidesexcellentadhesionandcoverageonapplicationssuchasvalves,pumps,pipedrains,hydrantsandporouscastings .Scotchkote134FBECassistanttowastewater,corrosivesoils,hydrocarbons,harshchemicalsandseawater .Powderpropertiesalloweasymanualorautomaticapplicationbyelectrostaticorair-sprayequipment .Whenappliedoverasuitableprimer,itisappropriateforoperationatmoderatetemperaturesandpressuresinthepresenceofH2O,CO2andCH4,crudeoilandbrine .
Scotchkote134FBECconsistsofablendofepoxyresinandcuringagentadditives,pigments,catalysts,levelingandflowcontrolagents .Possiblecombinationsofrawmaterialsareextensive;hencecarefulselectionhasbeenmadeby3Msothattheresultantcoatingwillserveintheenvironmentencountered .Scotchkote134FBEChasbeendesignedtoallowtrouble-free,consistentproductionapplicationatthecoatingplant .Selectionofthechemicalelementsforthefusionbondedepoxycoatingisveryimportant .Themolecularstructureoftheepoxyresin,thetypeandreactivityofthehardener,catalystandadditivesallplayanimportantroleintheultimatecoatabilityandperformanceofthefusionbondedepoxy .
3MCompanymaintainsadivisionallaboratorygroupdedicatedtotheresearchanddevelopmentoffusionbondedepoxycoating .Thegroup’spersonnelhavemanyyearsofexperienceintheformulationandevaluationofepoxycoatings .Thiseffortisassistedby3Mstafflaboratorieswithbroad-basedexpertiseinscientificdisciplinesapplicabletocoatingandsurfacetechnology .Inaddition,3Msynthesizesandmanufacturesspecializedepoxyresins,hardeners,catalystsandadditivesusedtoformulateScotchkoteFBEcoatingstomeetunusualperformanceandoperationalrequirements .
3 - HistoryScotchkote134FBEChasbeenusedextensivelyintheoilandgasindustrytocoattheexteriorandinterioroflinepipe .Over40,000miles(65,000km)ofScotchkotecoatedpipehavebeeninstalledthoughouttheworld .Thistechnologyhasbeenexpandedthrough3Mresearchtodevelopchemicallystable,hightemperature/pressureresistantinternalliningsforuseindrillpipe,primaryandsecondaryrecoverytubing,andpipeforoil,gasandwatertransportation .Coatingpropertieshavebeenprovenbyrigorous3Mautoclavetesting,andtheresultsverifiedbyindependentlaboratoryandcustomerinvestigation .
4 - ManufacturingAllScotchkotefusionbondedepoxycoatingpowdersaremadeusingthefusionblendprocessdevelopedby3M .Ingredientsarefirstpulverized,properlyproportionedandhomogeneouslydrymixed .Next,theblendedmaterialsarecarefullyandthoroughlymixedinthemoltenstateusingacontinuousmeltmixer .Thefusedblendiscooledandthenpulverizedintothefinalpoweredform .Particlesizedistributioniscarefullymonitoredtomeetoptimumapplicationstandardsrequiredbythevariouscoatingplants .Thefusionblendprocessassuresthateachparticleofthecoatingpowdercontainsallactiveingredients,thuseliminatingchangesinreactivityduetoseparationorstratificationofingredientsduringtransportationandapplication .
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5 - Process and Quality ControlProcesscontrolisessentialtothequalityofthefinishedproduct .3Mmaintainsrigidincomingqualityinspectionofrawmaterials,precisemeasurementandmeteringofcriticalcomponents,controlledenvironmentalconditionsandprocessingtemperaturesforthechemicalconstituents,andadiscerningoutgoinginspectionofthefinishedcoatingpowdertoassureuniformityofproductapplicationandperformance .Amongthequalitycontroltestsperformedon3Mpowdercoatingsare:geltime,cure,flow,fluidization,particledistribution,adhesion,impact,appearanceandmoisturecontent .
6 - Packaging, Storage and Shipping
Scotchkote134FBECispackagedinaheavyduty,polyethylenebaginastout,easyopen,fiberboardcartonwhichisclearlylabeledwithproductnumberandmanufacturingidentification .Thispackageprotectsthecoatingpowderfromhumidityandcontaminationduringshipmentandstorage .Thenetweightis65U .S .lbs .(29 .5kilos) .Thesealedcartonsarepalletizedonwoodenpalletswithnetweightof1170lbs .(530kilos)andsecurelybandedforshipment .Thepackagedproductmustbeshippedandstoredattemperaturesnotexceeding80˚F(27˚C) .
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7 - Properties of the Powder
3M™ Scotchkote™ 134 Fusion Bonded Epoxy CoatingProperty Test Method Value
Classification ASTMD1763 Type1,Grade2
Color – ForestGreen
Gloss Gardener60˚glossmeter, 34average 350˚(177˚C)application temperature
SpecificGravity(Powder) AirPycnometer 1.51
Coverage Calculatedfromair 125ft2/lb/mil pycnometerspecificgravity 0.66m2/kg/mm ofpowder
Geltimeat400˚F(204˚C) Hotplate 120secaverage
GlassPlate 3Mglassslide 75-100mmaverageflowPillFlow 300˚F(149˚C) 12mmdiameter,0,85 grampill,1minhorizontal, 15min.at63˚angle
MoistureContent CarlFischer <0.3%attimeofmanufacture
Particlesize Alpinesieveanalysis >177µm1% <44µm45-55%
HeatofPolymerization DifferentialScanning 70J/gmtypical Calorimeter
GlassTransition DifferentialScanning 107˚C(225˚F)typicalTemperatureof Calorimeter CuredCoating (midpoint)
8 - Properties of the Coating
Alltestshavebeenconductedat73˚F(23˚C)onunprimedsurfacesunlessotherwisenoted .
8.1 Hardness
Property Test Method Test Results
Hardness Barcol,ASTMD2583 23
ASTMD785 89
RockwellM 55
8.2 Tensile StrengthProperty Test Method Test Results
TensileStrength ASTMD2370 7300psi
freefilm 513kg/cm2
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8.3 Elongation Property Test Method Test Results
Elongation ASTMD2370 4.2% freefilm
8.4 Impact ResistanceProperty Test Method Test Results
Impact Gardener,5/8in. 160in-lbs. (16mm)diametertup, 18,1J 0,125in(3.2mm)panel
8.5 Adhesive StrengthProperty Test Method Test Results
Shear ASTMD1002,10mil 4300psi (254µmglueline) 302kg/cm2
8.6 Penetration ResistanceProperty Test Method Test Results
Penetration ASTMG17 0 -40˚to240˚F (-40˚to116˚C)
Compressionstrength ASTMD695 12800psi 900kg/cm2
8.7 BendabilityProperty Test Method Test Results
Bend 3/8in.(9,5mm) PipeDia.=30 primedandunprimed Elongation(%)=17 couponmandrelbend AngleofDeflection (˚/PDL)=1.9
8.8 Coefficient of FrictionProperty Test Method Test Results
CoefficientofFriction APIRP5L2-1968 23˚C Appendix8
8.9 Thermal - MechanicalProperty Test Method Test Results
ThermalConductivity MIL-I-16923E 7x10-4cal/sec/cm2/C˚/cm
ThermalShock 3M,10cycles Unaffectedbythermal -100˚to300˚F shock (-70˚to150˚C)
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8.10 Volume ResistivityProperty Test Method Test Results
VolumeResistivity ASTMD257 1.2x1015ohm•cm
8.11 Electric StrengthProperty Test Method Test Results
ElectricStrength ASTMD149 1000V/mil 40kV/mm
8.12 Weathering ResistanceProperty Test Method Test Results
WeatheringResistance Weatherometer Surfacechalk ASTMG53,5000hrs. Condensationtesttemp.50˚C Cycletime4hoursUV/ Fourhourscondensation Noblistering
SaltFog MIL-E-5272C Noblistering Nodiscoloration Nolossofadhesion
8.13 Cathodic Disbondment ResistanceProperty Test Method Test Results
CathodicDisbondment 30day,5volt DisbondmentradiusResistance 5%NaCl,sandcrock 24mmraverage 230˚F(110˚C)
4day3volt 5mmraverage 3%NaCl 71˚C(160˚F)
8.14 Moisture ResistanceProperty Test Method Test Results
WaterImmersion ASTMD570 6,5g/m2weightgain freefilm,30day 10mil(250mm)
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Notes on Autoclave Testing Notes:Alltestsconductedoncoatingsappliedover1mil(25 .4µm)liquidphenolprimer .
‘Pass’meansexcellentadhesion,noblisters,noswellinginaphases,i .e .:aqueous,hydrocarbonorgasphase . ‘Fail’meanslossofadhesion,orblisters,orexcessiveswellinginanyphases .
8.15 Autoclave TestingProperty Test Method Test Results
Pressure/Temperature 1500psi(10.3MPa) Excellentadhesion,noDuration 120˚F(49˚C) coatinglossorblistersin 24hours aqueous,hydrocarbonorgas phase
GasPhase 99.5% CO2 0.5% H2S
LiquidPhase 33.0%Kerosene 33.0%Toluene 34.0%BrineSolution (5%NaCl)
Discharge DischargeRapidat TestTemperature
Autoclave Test #1
Property Test Method Test Results
Pressure/Temperature 5psi(0.03MPa) PassDuration 68˚F(20˚C) 72hours
GasPhase 100% H2S
LiquidPhase TurksIslandSeaWater
Discharge Releasepressureover5min. @testtemperature
Autoclave Test #2
Property Test Method Test Results
Pressure/Temperature 60psi(0.4MPa) PassDuration 150˚F(66˚C) 24hours
GasPhase 100% CO2
LiquidPhase 5% NaClBrine
Discharge Releasepressureover1/2hour period@testtemperature
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Autoclave Test #3
Property Test Method Test Results
Pressure/Temperature 450psi(3.1MPa) Pass
Duration 185˚F(85˚C) 24hours
GasPhase 15% CO2
84.9% N2
0.1% H2S 71˚C(160˚F)
LiquidPhase DeionizedWaterCrudeOil
Discharge Releasepressureover5min. @testtemperature
Autoclave Test #4
Property Test Method Test Results
Pressure/Temperature 2000psi(13.8MPa) Pass
Duration 200˚F(93˚C) 16hours
GasPhase 5% CO2
94.5% Methane 0.5% H2S
LiquidPhase 5% NaClBrine
Discharge Coolfor4hoursthenrapidlyreleasepressure
Autoclave Test #5
Property Test Method Test Results
Pressure/Temperature 3300psi(22.8MPa) Pass
Duration 200˚F(93˚C) 24hours
GasPhase 34% Brine (5% NaCl) 33% Kerosene 33% Toluene
LiquidPhase 8% CO2
86% Methane 6% H2S
Discharge Coolovernighttoambientreleasepressure over1/2hr.period
Autoclave Test #6
Property Test Method Test Results
Pressure/Temperature 2500psi(17.2MPa) Pass
Duration 200˚F(93˚C) 24hours
GasPhase 10% CO2
90% N2
LiquidPhase WasiaWater
Discharge Releasepressureover1/2hr.period @testtemperature
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Autoclave Test #7
Property Test Method Test Results
Pressure/Temperature 1500psi(10.3MPa) Pass
Duration 120˚F(49˚C) 48hours
GasPhase 95.5% CO2
0.5% H2S
LiquidPhase 34% Brine (5% NaCl) 33% Kerosene 33% Toluene
Discharge Instantpressurerelease@testtemperature
Autoclave Test #8
Property Test Method Test Results
Pressure/Temperature 35psi(0.2MPa) Pass
Duration 200˚F(93˚C) 24hours
GasPhase Air
LiquidPhase 15%HCI
Discharge Forcecooltoambientrelease pressureover5min.period
Autoclave Test #9
Property Test Method Test Results
Pressure/Temperature 2200psi(15.2MPa) Pass
Duration 150˚F(66˚C) 24hours
GasPhase 12% CO2
80% Methane 8% H2S
LiquidPhase 34% Brine (5% NaCl) 33% Kerosene 33% Toluene
Discharge Releasepressureover1/2hr.period @testtemperature
Autoclave Test #10
Property Test Method Test Results
Pressure/Temperature 4000psi(27.5MPa) Pass
Duration 225˚F(107˚C) 24hours
GasPhase 100% CO2
LiquidPhase 5% NaClSolution saturatedwithH2S
Discharge Cooltoambientreleasepressureover45sec.
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Autoclave Test #11
Property Test Method Test Results
Pressure/Temperature 150psi(1.0MPa) Pass
Duration 250˚F(121˚C) 24hours
GasPhase 25% C02
55% H2S 10% Methane 10% N2
LiquidPhase 28% NaClSolution
Discharge Coolfor2hoursreleasepressureover15min.
Autoclave Test #12
Property Test Method Test Results
Pressure/Temperature 3000psi(20.7MPa) Slightswell
Duration 300˚F(149˚C) 24hours
GasPhase 10% C02
90% Methane Trace H2S
LiquidPhase 34% Brine (5% NaCl) 33% Kerosene 33% Toluene
Discharge Coolto104˚F(40˚C)releasepressureover1/2hr.
8.16 Taste and Odor Production Potential Property Test Method Test Results
TONThresholdOdor 5days 10daysNumber(TON) 20˚C 1 1(Tonof10orless 60˚C 1 1ispassing) Results:Pass TypeOdor:None
8.17 VOC Production PotentialProperty Test Method Test Results
VOCAnalysis 5daysoakcycle Pass.Appearsclean andfreeofsignificant VOCcontamination
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