Electronic Adhesive

Epoxy Resin Adhesives: Properties and Applications

Table 1: Key Properties of Epoxy Resin Adhesives

Property	Typical Value	Significance
Viscosity	500-50.000 cP	Determines application method
Pot Life	5 min – 24 hrs	Working time before curing
Cure Time	30 min – 7 days	Full strength development
Tensile Strength	20-50 MPa	Structural bonding capability
Service Temperature	-40°C to 150°C	Thermal stability range

Table 2: Comparison of Epoxy Adhesive Types

Type	Cure Mechanism	Advantages	Limitations
One-Part	Heat-activated	No mixing, consistent quality	Requires oven cure
Two-Part	Room/heat cure	Versatile, fast curing	Mixing required
Structural Film	Heat/pressure	High strength, uniform thickness	Special equipment needed
Flexible	Room temp cure	Impact resistant	Lower strength
Conductive	Room/heat cure	EMI shielding	Higher cost

Table 3: Common Applications

Industry	Application	Key Requirement
Automotive	Body panel bonding	Crash resistance
Aerospace	Composite joining	Lightweight strength
Electronics	Component attachment	Thermal/electrical conductivity
Construction	Concrete repair	Weather resistance
Marine	Hull repairs	Water resistance

Table 4: Surface Preparation Methods

Substrate	Preparation	Bond Strength Improvement
Metals	Solvent clean + abrasion	300-400%
Plastics	Plasma treatment	200-300%
Composites	Peel ply removal	150-200%
Concrete	Acid etching	250-350%
Glass	Silane primer	400-500%

Table 5: Performance Testing Standards

Test	Standard	Typical Value
Lap Shear	ASTM D1002	15-30 MPa
Peel Strength	ASTM D1876	5-15 N/mm
Impact Resistance	ASTM D950	15-30 J/m
Thermal Cycling	MIL-STD-883	500 cycles
Salt Spray	ASTM B117	1000+ hours

Epoxy resin adhesives offer exceptional bonding strength and durability across multiple industries. Their versatility comes from customizable formulations that balance cure speed, flexibility, and environmental resistance. Proper surface preparation remains critical for achieving maximum bond performance in all applications.

A high-strength solvent-free two-component epoxy resin adhesive with high peel strength improves design flexibility and durability. It offers a variety of material options and can be used for board bonding and sealing in industries such as construction, refrigerated trucks, RVs, shelters, shipbuilding, and home decoration

MT3012/1, 3042, 4001 series:
High strength solvent-free two-component epoxy resin adhesive can be used for composite bonding of exterior wall systems, integrated insulation finished panels, metal sandwich composite panels, aluminum honeycomb panels and other materials in building applications

MT4552/1 series:
High strength solvent-free two-component epoxy resin adhesive can be used for sandwich panel composite, large panel splicing, and repair of refrigerated trucks and RVs

MT4502/1, 4552/1 series
High strength solvent-free two-component epoxy resin adhesive can be used for military and civilian cabin sandwich panel composite, floor cloth paving, and repair

MT2015 series:
High strength solvent-free two-component epoxy resin adhesive can be used for composite bonding of marble and ceramic tile floors in home decoration

MT2602/2605/2606 series:
High strength solvent-free two-component epoxy resin adhesive, suitable for end sealing of industrial ultrafiltration membranes, has the characteristics of slow heat release, good adhesive permeability, low adhesive climbing, low shrinkage rate, acid and alkali resistance, etc

MT2102/1 series:
High strength solvent-free two-component epoxy resin adhesive can be used for bonding various abrasives and hydraulic filters, and has good adhesion to materials such as metals and plastics (except PP and PE)

MT5102/1T60，Series 3012/1 and others:
High strength solvent-free two-component epoxy resin adhesive, which can be used for bonding aluminum honeycomb flooring, rock wool board, and fireproof board in ship manufacturing partitions and home furnishings

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