LOCTITE 243 Blue Medium Strength Threadlocker

Features and Benefits

LOCTITE 243 is a medium strength blue threadlocking adhesive that seals and secures metal nuts and bolts to prevent loosening due to shock and vibration.
LOCTITE® 243 is a general purpose threadlocker that provides a medium strength bond. LOCTITE 243 works on all metals, including passive substrates such as stainless steel, aluminum and plated surfaces. It is proven to be tolerant of minor contamination due to industrial oils, e.g., motor oils, corrosion prevention oils and cutting fluid.
  • Prevents loosening on vibrating assemblies, e.g. pumps, gear boxes or presses
  • Works on all metals, including passive substrates (e.g. stainless steel, aluminum, plated surfaces)
  • Proven to tolerate minor contamination by industrial oils, e.g. motor oils, corrosion prevention oils and cutting fluids
  • Permits disassembly with hand tools for servicing
  • P1 NSF Reg. No.: 123000
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Documents and Downloads

Safety Data Sheets and RoHs
LOCTITE 243, 250ml 1335868 en-FR
IDH: 1335868
EAN: 5010266000800

Size Case: 250 ml Bottle, not specified

LOCTITE 243, 50ml 1335884 en-FR
IDH: 1335884
EAN: 5010266000688

Size Case: 50 ml Bottle, not specified

LOCTITE 243, 1L 1335903 en-FR
IDH: 1335903
EAN: 5010266000831

Size Case: 1 l Bottle, not specified

LOCTITE 243, 5ml 1370535 en-FR
IDH: 1370535
EAN: 5010266003313

Size Case: 5 ml Bottle, not specified

LOCTITE 243, 24ml 1370559 en-FR
IDH: 1370559

Size Case: 24 ml Bottle, not specified

LOCTITE 243, 10ml 1918244 en-FR
IDH: 1918244
EAN: 5010266009094

Size Case: 10 ml Bottle, not specified

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Technical Information

Agency Approvals / Specifications NSF P1 Reg No: 123000
Color Blue
Fixture Time 5.0 - 10.0 min.
Key Characteristics Thixotropic
Specific Gravity, @ 23.0 °C 1.08
Substrates Metal: Steel - Stainless Steel, Metal: Brass
Viscosity, Brookfield - RVT, @ 25.0 °C 2000.0 mPa·s (cP)
Viscosity, Cone & Plate, @ 25.0 °C Cone 35/2 @ 129 s⁻¹ 350.0 mPa·s (cP)