Epoxy resin 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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