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Product description
LOCTITE 270 is designed for the permanent locking and sealing of threaded fasteners. The product cures when confined in the absence of air between close fitting metal surfaces and prevents loosening and leakage from shock and vibration. LOCTITE 270 is particularly suited for heavy duty applications such as studs into motor housings, nuts onto studs in pump housings and other fasteners where high strength is required. LOCTITE 270 provides robust curing performance. It not only works on active metals (e.g.) brass, copper but also on passive substrates such as stainless steel and plated surfaces. The product offers high temperature performance and oil tolerance. It tolerates minor surface contaminations from various oils, such as cutting, lubrication, anti-corrosion and protection fluids. Further information on the product can be obtained from your local technical department:

Steps to achieve the best adhesive results:
1. For best results, clean all surfaces (external and internal) with a LOCTITE SF 7063 cleaning solvent and allow to dry.
2. If the cure speed is too slow, use appropriate activator LOCTITE SF 7649 or LOCTITE SF 7471. Please see the Cure Speed vs. Activator graph for reference. Allow the activator to dry when needed.
3. To prevent the product from clogging in the nozzle, do not allow the tip to touch metal surfaces during application.
4. For Thru Holes, apply several drops of the product onto the bolt at the nut engagement area.
5. For Blind Holes, apply several drops of the product to the lower third of the internal threads in the blind hole, or the bottom of the blind hole.
6. For Sealing Applications, apply a 360° bead of product to the leading threads of the male fitting, leaving the first thread free. For bigger threads and voids, adjust product amount accordingly and apply a 360° bead of product on the female threads also.
7. Assemble and tighten as required.

8. Remove with standard hand tools.
9. In rare instances where hand tools do not work because of excessive engagement length, apply localized heat to nut or bolt to approximately 250 °C. Disassemble while hot.
10. Apply localized heat to the assembly to approximately 250 °C. Disassemble while hot.

11. Cured product can be removed with a combination of soaking in a LOCTITE SF 7200 solvent and mechanical abrasion such as a wire brush.

Store product in the unopened container in a dry location. Storage information may be indicated on the product container labeling. Optimal Storage: 8 °C to 21 °C. Storage below 8 °C or greater than 28 °C can adversely affect product properties. Material removed from containers may be contaminated during use. Do not return product to the original container. Henkel Corporation cannot assume responsibility for product which has been contaminated or stored under conditions other than those previously indicated.

  • Thread size : to M20
  • Strength : high
  • Time to get full strength (22 °C):
    -Steel: 2 hours
    -Stainless steel: 3 hours
    -Brass: 1 hour
    -Zinc dichromate: 24 hours
    -Zinc: 10 hours
  • Time to obtain initial strength (22 °C):
    -Steel:10 minutes
    -Stainless steel: 20 minutes
    -Brass: 5 minutes
    -Zinc dichromate: 30 minutes
    -Zinc: 30 minutes
  • Breakaway Torque M10: 33 Nm
  • Prevail Torque: 33 Nm
  • Working temperature: from -55 °C to +180 °C
  • Color: green

Full technical information can be found in the technical data sheet.