Loctite 290 Acrylic Anaerobic Threadlocker Green 50ml

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5.0

Description

Loctite 290 Acrylic Anaerobic Threadlocker Green 50ml

  • Strength : Medium to High
  • Temperature : -65 - 300 °F
  • Viscosity : 25 - 55
  • Key Substrates : Metal: Brass, Metal: Steel, Metal: Steel - Stainless Steel
  • Color : Green
  • Curing Type : Anaerobic
  • Application : Threadlocking
 

LOCTITE® 290 is a liquid medium/high-strength threadlocker designed for the locking and sealing of threaded fasteners. Because of its low viscosity and capillary action, the product wicks between engaged threads and eliminates the need for disassembly prior to application. The product cures when confined in the absence of air between close-fitting metal surfaces and prevents loosening and leakage due to shock and vibration. The product can also fill porosities in welds, castings and powdered metal parts.

  • Ideal for locking preassembled fasteners, e.g. instrumentation fasteners, electrical connectors and set screws
  • Works on metal only
  • Proven to be tolerant of minor contamination due to industrial oils, e.g. motor oils, corrosion prevention oils and cutting fluids
  • Requires heat for disassembly
 
LOCTITE®
290™ is designed for the locking and sealing of
threaded fasteners. Because of its low viscosity and capillary
action, the product wicks between engaged threads and
eliminates the need to disassemble prior to application. The
product cures when confined in the absence of air between
close fitting metal surfaces and prevents loosening and
leakage from shock and vibration. The product can also fill
porosity in welds, castings and powdered metal parts.
Mil-S-46163A

LOCTITE®
290™ is tested to the lot requirements of Military
Specification Mil-S-46163A. Note: This is a regional approval.
Please contact your local Technical Service Center for more
information and clarification.
ASTM D5363

Each lot of adhesive produced in North America is tested to
the general requirements defined in paragraphs 5.1.1 and
5.1.2 and to the Detail Requirements defined in section 5.2.
NSF International

Registered to NSF Category P1 for use as a sealant where
there is no possibilty of food contact in and around food
processing areas. Note: This is a regional approval. Please
contact your local Technical Service Center for more
information and clarification.
NSF International

Certified to ANSI/NSF Standard 61 for use in commercial and
residential potable water systems not exceeding 82° C. Note:
This is a regional approval. Please contact your local Technical
Service Center for more information and clarification.
TYPICAL CURING PERFORMANCE

Cure Speed vs. Substrate

The rate of cure will depend on the substrate used. The graph
below shows the breakaway strength developed with time on
M10 steel nuts and bolts compared to different materials and
tested according to ISO 10964.
Cure Speed vs. Bond Gap

The rate of cure will depend on the bondline gap. Gaps in
threaded fasteners depends on thread type, quality and size.
The following graph shows shear strength developed with time
on steel pins and collars at different controlled gaps and tested
according to ISO 10123.
Cure Speed vs. Temperature

The rate of cure will depend on the temperature. The graph
below shows the breakaway strength developed with time at
different temperatures on M10 steel nuts and bolts and tested
according to ISO 10964.
Cure Speed vs. Activator

Where cure speed is unacceptably long, or large gaps are
present, applying activator to the surface will improve cure
speed. The graph below shows the breakaway strength
developed with time on M10 zinc dichromate steel nuts and
bolts using Activator 7471™ and 7649™ and tested according
to ISO 10964.
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
Material Safety Data Sheet (MSDS).
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 Pre-assembled Threaded Parts with Thru Holes


  1. Prior to assembly, clean all threads (bolt and hole) with a
    LOCTITE®
    cleaning solvent and allow to dry.
  2. For Thru Holes, apply several drops of product at screw
    and body juncture.
  3. Avoid touching the bottle tip to the metal surface.

For Assembly


  1. For Blind Holes, apply several drops of the product
    down the internal threads to the bottom of the hole

For Porosity Sealing


  1.  Clean area and apply localized heat to the area to
    approximately 121°C.
  2. Allow to cool to approximately 85°C and apply the
    product.

For Disassembly


  1. Remove with standard hand tools.
  2. 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.

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 September-01, 1995. 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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