Loctite 268 Quickstix Adhesive Threadlocker Stick 19g

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Description

Loctite 268 Quickstix Adhesive Threadlocker Stick 19g

  • Strength : High
  • Temperature : -65°F to 300°F
  • Key Substrates : Metal: Steel, Metal: Steel - Stainless Steel
  • Color : Red
  • Curing Type : Anaerobic
  • Application : Threadlocking
LOCTITE® 268 is a high-strength threadlocker for maximum efficacy in the securing and sealing of bolts, nuts and studs to prevent loosening due to vibration. The product serves to permanently lock assemblies which must not come loose. It is available in a stick format and easy and effective in overhead applications. The product works on all metals, including passive substrates such as stainless steel, aluminum and plated surfaces. It tolerates slight contamination by industrial oils, corrosion prevention oils and cutting fluids.
  • High bond strength
  • Convenient stick format prevents dripping
  • 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 be tolerant of minor contamination due to industrial oils, e.g. motor oils, corrosion prevention oils and cutting fluids
  • Can be disassembled by heating to 300°C
LOCTITE®
268 is a high strength version of an anaerobic
threadlocking material. It is supplied as a wax-like semi-solid,
conveniently packaged in a self-feeding stick applicator. As
with liquid anaerobic products, this material develops its cured
properties in the absence of air when confined between close
fitting metal surfaces. It achieves consistent strength and can
be used on a variety of metal substrates. It is particularly well
suited for applications where a liquid product may be too fluid
to stay on a part or be difficult to apply. It stores easily and
allows for direct contact to a threaded part during application to
ensure even coverage.
TYPICAL CURING PERFORMANCE

Cure Speed vs. Substrate

The rate of cure will depend on the substrate used. The graph
below shows the breakloose strength developed with time on
M10 black oxide steel bolts and mild steel nuts compared to
different materials and tested according to ISO 10964. All
samples pre-torqued to 5 N·m. Product applied to bolts only.
Cure Speed vs. Temperature

The rate of cure will depend on the temperature. The graph
below shows the breakloose strength developed with time at
different temperatures on 3/8 x 16 degreased steel nuts & bolts
and tested according to ISO 10964. All samples pre-torqued to
5 N·m. Product applied to bolts only.
Cure Speed vs. Activator

Where cure speed is unacceptably long due to large gaps,
applying activator to the surface may improve cure speed.
However, this can reduce ultimate strength of the bond and
therefore testing is recommended to confirm effect. The graph
below shows the breakloose strength developed with time
using Activator 7471™ and 7649™ on 3/8 x 16 zinc dichromate
nuts and bolts and tested according to ISO 10964. All samples
pre-torqued to 5 N·m. Product applied to bolts, activator to
nuts.
GENERAL INFORMATION

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.
For safe handling information on this product, consult the
Safety Data Sheet (SDS).
Where aqueous washing systems are used to clean the
surfaces before bonding, it is important to check for
compatibility of the washing solution with the adhesive. In
some cases these aqueous washes can affect the cure and
performance of the adhesive.
This product is not normally recommended for use on plastics
(particularly thermoplastic materials where stress cracking of
the plastic could result). Users are recommended to confirm
compatibility of the product with such substrates.
Directions for use:

For Assembly


  1. For best results, clean all surfaces (external and
    internal) with a LOCTITE®
    cleaning solvent and allow to
    dry.
  2. Advance only enough product to use at the time of
    application.
  3. Remove any skin that may have formed on the top of the
    stick.
  4. Apply sufficient product to fill the threads in the area
    where the nut will be engaged on the bolt.
  5. Recap product after use.
  6. Assemble and tighten as required.

For Disassembly


  1. Where hand tools do not work because of excessive
    engagement length or large diameters (over 1"), apply
    localized heat to approximately 250 °C. Disassemble
    while hot.

For Cleanup


  1. Cured product can be removed with a combination of
    soaking in a Loctite solvent and mechanical abrasion
    such as a wire brush.

Loctite Material Specification

LMS dated July-24, 2013. Test reports for each batch are
available for the indicated properties. LMS test reports include
selected QC test parameters considered appropriate to
specifications for customer use. Additionally, comprehensive
controls are in place to assure product quality and
consistency. Special customer specification requirements may
be coordinated through Henkel Quality.
Storage

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. If additional information is required,
please contact your local Technical Service Center or
Customer Service Representative.
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