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Loctite 3425/50ml – Structural Bonding 2k Epoxy
Loctite EA 3425 structural bonding – 2K Epoxy, multiple purpose bonder, excellent for bonding metals, for large surfaces.
Loctite EA 3425 is a two component, high viscosity, thixotropic epoxy adhesive which cures at room temperature after mixing. It is a general purpose, non sag adhesive which develops high strength on a wide range of substrates. The thixotropic properties enable this adhesive system to bond rough vertical surfaces made from metal, ceramic, rigid plastics or wood through gaps of up to 3 mm.
Chemical Type: Epoxy
Appearance (Resin): Light beige paste
Appearance (Hardener): Light beige paste
Appearance (Mixture): Yellow / white paste
Components: Two part – Resin & Hardener
Mix Ratio, by volume – Resin : Hardener: 1 : 1
Mix Ratio, by weight – Resin : Hardener: 100 : 100
Cure: Room temperature cure after mixing
Key Substrates: Metals , Ceramics, Rigid plastics and Wood
Typical Properties of Uncured Material
Specific Gravity @ 25°C: 1.34 to 1.4
Viscosity, Brookfield – RVT, 25°C, mPa·s (cP):
–Spindle 7, speed 5 rpm: 1,500,000 to 3,500,000
Viscosity @ 25°C, mPa·s (cP):
–Cone and Plate Rheometer: 4,000 to 8,000
Typical Performance of Cured Material
Cured for 7 days @ 22°C, tested at 22°C.
Lap Shear Strength ISO 4587:
Steel (grit blasted): N/mm² 25 to 30 (psi) (3,500 to 4,400)
Stainless steel (grit blasted): N/mm² 10 to 12.5 (psi) (1,500 to 1,800)
Aluminum (abraded): N/mm² 7 to 13 (psi) (1,000 to 1,900)
Aluminum (etched): N/mm² 18 to 22 (psi) (2,600 to 3,200)
Galvanized Steel (HD): N/mm² 11 to 16 (psi) (1,600 to 2,300)
Zinc dichromate: N/mm² 12 to 15 (psi) (1,700 to 2,200)
Brass: N/mm² 9 to 15 (psi) (1,300 to 2,200)
GRP (smooth skim side): N/mm² 0.6 to 1.2 (psi) (90 to 170)
Phenolic: N/mm² 2.5 to 3.5 (psi) (360 to 510)
ABS: N/mm² 0.4 to 0.5 (psi) (60 to 70)
Polycarbonate: N/mm² 2 to 4 (psi) (290 to 580)
Hardwood (Mahogany): N/mm² 8 to 14 (psi) (1,200 to 2,000)
Softwood (Red Deal): N/mm² 8 to 10 (psi) (1,200 to 1,500)
180° Peel Strength, ISO 8510-2:
Mild Steel (grit blasted): N/mm 1.5 to 2.5 (lb/in) (9 to 15)
Impact Resistance , ISO 9653:
Mild Steel Blocks (grit blasted): kJ/m² 15.5 (ft-lbs/in²) (7.4)
Please store this product in the unopened container in a dry location.
Further storage information may be indicated on the product container labeling.
This product is not recommended for use in pure oxygen and/or oxygen rich systems and should not be selected as a sealant for chlorine or other strong oxidizing materials.
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