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Epoxy resin adhesive

IntroductionEpoxy Resin Adhesives: Properties and ApplicationsTable 1: Key Properties of Epoxy

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Epoxy Resin Adhesives: Properties and Applications

Table 1: Key Properties of Epoxy Resin Adhesives

PropertyTypical ValueSignificance
Viscosity500-50.000 cPDetermines application method
Pot Life5 min – 24 hrsWorking time before curing
Cure Time30 min – 7 daysFull strength development
Tensile Strength20-50 MPaStructural bonding capability
Service Temperature-40°C to 150°CThermal stability range

Table 2: Comparison of Epoxy Adhesive Types

TypeCure MechanismKeuntunganLimitations
One-PartHeat-activatedNo mixing, consistent qualityRequires oven cure
Two-PartRoom/heat cureVersatile, fast curingMixing required
Structural FilmHeat/pressureHigh strength, uniform thicknessSpecial equipment needed
FlexibleRoom temp cureImpact resistantLower strength
ConductiveRoom/heat cureEMI shieldingHigher cost

Table 3: Common Applications

IndustryAplikasiKey Requirement
AutomotiveBody panel bondingCrash resistance
AerospaceComposite joiningLightweight strength
ElectronicsComponent attachmentThermal/electrical conductivity
ConstructionConcrete repairWeather resistance
MarineHull repairsWater resistance

Table 4: Surface Preparation Methods

SubstratePreparationBond Strength Improvement
MetalsSolvent clean + abrasion300-400%
PlasticsPlasma treatment200-300%
CompositesPeel ply removal150-200%
ConcreteAcid etching250-350%
GlassSilane primer400-500%

Table 5: Performance Testing Standards

TestStandardTypical Value
Lap ShearASTM D100215-30 MPa
Peel StrengthASTM D18765-15 N/mm
Impact ResistanceASTM D95015-30 J/m
Thermal CyclingMIL-STD-883500 cycles
Salt SprayASTM B1171000+ hours


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