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Loctite 493/50G – Instant Adhesive Metal
Loctite 493 Instant Adhesive – Metals, capillary.
Loctite 493 is a general purpose adhesive and is particularly suited to bonding of metal substrates.
Chemical Type: Methyl cyanoacrylate
Appearance (uncured): Clear to slightly hazy, colorless liquid
Components: One part – requires no mixing
Viscosity: Very low
Key Substrates: Metals, Rubbers and Plastics
Typical Properties of Uncured Material
Specific Gravity @ 25°C 1.1
Viscosity, Cone & Plate, mPa·s (cP):
–Temperature: 25°C, Shear Rate: 3,000: 1 to 4
Viscosity, Brookfield – LVF, 25°C, mPa·s (cP):
–Spindle 1, speed 60 rpm, 1 to 10
Typical Performance of Cured Material
Cured for 24 hours @ 22°C
Lap Shear Strength: ISO 4587
Steel (grit blasted): N/mm² 20 to 30 (psi) (2,900 to 4,350)
Aluminum (grit blasted): N/mm² 15 to 22 (psi) (2,175 to 3,190)
Zinc dichromate: N/mm² 4 to 12 (psi) (580 to 1,740)
ABS: N/mm² 6 to 20 (psi) (870 to 2,900)
PVC: N/mm² 6 to 20 (psi) (870 to 2,900)
Polycarbonate: N/mm² 5 to 20 (psi) (725 to 2,900)
Phenolic: N/mm² 5 to 15 (psi) (725 to 2,175)
Neoprene: N/mm² 5 to 15 (psi) (725 to 2,175)
Nitrile: N/mm² 5 to 15 (psi) (725 to 2,175)
Tensile Strength, ISO 6922:
Steel (grit blasted): N/mm² 12 to 25 (psi) (1,740 to 3,625)
Buna-N: N/mm² 5 to 15 (psi) (725 to 2,175)
“T” Peel Strength: ISO 11339
Steel (degreased): N/mm 0.5 (lb/in) (2.8)
Cured for 30 seconds @ 22°C
Tensile Strength: ISO 6922
Buna-N: N/mm² ≥6.0 (psi) (≥870)
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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