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Engineering Adhesive
Loctite 263 Threadlocker : Permanent Locking & Sealing, Best Ever!
Loctite 263 Threadlocker
LOCTITE® 263™ ( 44068 ) -- 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® 263™ 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® 263™
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.
   
TABLE 1
This best ever version of  threadlocker is now available in
Malaysia ! There are some of the features of  this Loctite
263 ( and,  Loctite 243 improved version ) outperformed  the
previous products, which shown on the left:
   
Source : Henkel Corporation, Loctite is the trademark of Henkel Corporation In short, there are great improvemences, in
terms of :
1. Curing properties - works well on both active and passive substrates;
2. Superior heat ageing resistance to 180 deg C, compared to previously 150 deg C;
3. Improved oil resistance.
 
 
 
Loctite QuickStix : Solid performers with a twist
Loctite QuickStix
Loctite QuickStix : Solid performers with a twist

Henkel Loctite ( Germany ) has launched a set of Thread
Treatment Sticks  -- new, patented semi-solid formula. They
are comprised of  2 threadlockers, 1 pipe sealant, and 2
anti-seize lubricants.

One might thinks they just  look like " lipstick "  because one
must twist the products to expose the solid before applying.

Features & Benefits

* Convenient  * No leaks, drips, or spill  * Keeps storage
places clean * Fast and easy-to-apply * Non-drip, great for
overhead use
 
 
 
LOCTITE® QuickStix 248 ( 37773 )
LOCTITE QuickStix 248 ( 37773 )
LOCTITE® QuickStix 248 ( 37773 ) -- A medium strength
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.
   
   
LOCTITE® QuickStix 268 ( 37686 )
LOCTITE QuickStix 268 ( 37686 )
LOCTITE® QuickStix 268 ( 37686 ) -- 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.

Loctite 561 Low Strength Thread Sealant Stick ( 37776 ) --
Suitable where product application access is difficult –
overhead, under or around machinery – on components that
cannot be moved. Recommended for all coarse metal
threads where disassembly is required.
   
For easy  part number identification
Loctite 37782 -- Copper Based Anti-Seize Lubricant
Loctite 37783 -- Silver Grade Anti-Seize

Loctite 40391 -- Retaining Compound Stick @ Loctite 668
Loctite 40392 -- Hi-Tack Gasket  & Sealant Stick @ Loctite 548
Loctite 40393 -- Gasket Eleminator Flange Sealant Stick @ Loctite 548
   
   
BEST EVER Loctite Anaerocbic Adhesive : Ultra High Temperature Resistant
Loctite Anaerocbic Adhesive
Henkel Loctite Germany has launched a few Anaerobic
Adhesives ( Threadlocker, Thread Sealant ) which claim to
be  BEST EVER  in its class .  EXTREME  temperature
resistance ( 650 degF ) is the main feature.

LOCTITE 2422 ( 1134601 )  -- designed for the locking and
sealing of threaded fasteners which require normal
disassembly with standard hand tools. The product cures
when confined in the absence of air between close fitting
metal surfaces and prevents loosening and leakage from
shock and vibration. Particularly suitable for applications on
less active substrates such as stainless steel and plated
surfaces, where disassembly with hand tools is required for
servicing. Particularly suited for applications where extreme
high temperature resistance is required.
   
   
LOCTITE 2620 ( 1138282 )
LOCTITE 2620 ( 1138282 )
LOCTITE 2620 ( 1138282 ) --  designed for the 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. Particularly suited for applications where
extreme high temperature resistance is required.

This is, indeed, a technical breakthrough whereby one would
find great advancement in solving many problems /
applications  which could not be done  with the previous
version of high temperature resistant anaerobic adhesives (
typically 250 degC or 482 degF ).
   
   
High Performance Adhesive for OEM : Loctite Hysol E - 20HP
Loctite Hysol E - 20HP
Loctite Hysol E-20HP ( 29314 , 29316 ). A toughened  
industrial grade epoxy adhesive.  Off-white after mixing,
medium viscosity, with 20 minutes work life.  It is a HIGH
PERFORMANCE  adhesive that provides excellent bond
strengths -- high peel resistance and high shear strength.

Loctite E - 20HP Hysol Epoxy is best applied with the Loctite
Manual Applicator ( 983531 ), and  static mixer ( 983440 ).
   
Applicator Gun
" Applicator Gun  with  components :  pistons &  static mixer

Loctite E - 20HP Hysol Epoxy is best applied with the Loctite
Manual Applicator ( 983531 ), and  static mixer ( 983440 )

" Loctite Hysol E-20HP provides the balanced properties of  
bonding strengths and curing time. It is ideal choice of
adhesive to be used in OEM, or in an assembly line "
   
   
Ultra strength Adhesive : Loctite Hysol E 120 HP
Loctite Hysol E 120 HP
Loctite E - 120HP Hysol Epoxy (  29353 , 29354 , 29355 ) .
An amber non - sag, aerospace grade  epoxy  (  please take
note that the work life 120 minutes ). It Is suitable for
application that requires high impact and high peel strength.

It is a versatile adhesive; bonds dissimilar materials including
aluminium, steel, etc and a variety of plastics and ceramics.

A steel mill located in Malaysia encountered  a problem of
scouring  of the  rivets to the brake drum and short lifespan
of  the pads.  The brake pad were previously fastened  by
using rivets.  After a period of operation, the effect of wear
and tear tend to expose the rivets and caused scouring to
the brake drum.

The maintenance department accepted our  proposal of
bonding the brake pads  instead of mechanical fastening.  
The problem has been solved since then.
   
Applying Loctite E-120HP to the brake pad
" Applying Loctite E-120HP to the brake pad "

Agency Approval(s) / Listing(s) for this product :
• Canadian Food Inspection Agency ( CFIA )
   
   
Loctite Gasket Eliminator Flange Sealant ( Anaerobic Adhesive )
Loctite Gasket Eliminator 510
Loctite Gasket Eliminator 510 "

Loctite 510 Gasket Eliminator Flange Sealant ( 30972 )  has
a temperature range to 400°F ( 204 degC ) with excellent
solvent and chemical resistance. Makes or dresses gaskets
in rigid assemblies. Eliminates gasket compression set.
   
   
Gasketing
Gasketing
" The yellow substance shown in the picture indicates that
the anaerobic gasket sealant polymerized to form a solid
thermoplastic which bond the two flanges together, in
another words, sealed the flanges "
   
Gasketing
" Working Principle of Anaerobic Flange Sealant "

Note : The nature of the anaerobic gasket sealant is sealing
the flanges by bonding. Hence, it is a very reliable and high
performance which suitable for many harsh conditions and
critical requirement. However, one must know that anaerobic
adhesives work effectively for metal surfaces (  both side of
flanges ) only.

For easy part number identification :
Loctite 504 ( 50441 ), Loctite 510 ( 30972 ),
Loctite 515 ( 22645 ), Loctite 518 ( 51831 ),
Loctite 534 ( 40392 ), Loctite 549 ( 23493 ),
Loctite 568 ( 56841 ), Loctite 573 ( 57331 ),
Loctite 574 ( 57435 )
   
   
Surface Insensitive Cyanoacrylate Adhesive : Loctite 401, Loctite 454
LOCTITE 401
LOCTITE 401 ( 25633 )  is designed for the assembly of
difficult-to-bond materials which require uniform stress
distribution and strong tension and/or shear strength. The
product provides rapid bonding of a wide range of materials,
including metals, plastics and elastomers. LOCTITE 401 is
particularly suited for bonding porous or absorbent materials
such as wood, paper, leather and fabric.
   
Loctite 401 is also good for fast fixturing requiremen
"  Loctite 401 is also good for fast fixturing requirement "
   
   
LOCTITE 454 ( 45416 )
LOCTITE 454 ( 45416 )
LOCTITE 454 ( 45416 )  is designed for the assembly of
difficult-to-bond materials which require uniform stress
distribution and strong tension and/or shear strength. The
product provides rapid bonding of a wide range of materials,
including metals, plastics and elastomers. LOCTITE 454 is
particularly suited for bonding porous or absorbent materials
such as wood, paper, leather and fabric. The gel
consistency prevents adhesive flow even on vertical
surfaces.
   
Non-drip properties
For easy part number identification :
Loctite 380 ( 38050 ), Loctite 382 ( 38240 ),
Loctite 401 ( 25633 ), Loctite 403 ( 30951 ),
Loctite 406 ( 25634 ), Loctite 407 ( 40718 ),
Loctite 408 ( 40840 ), Loctite 409 ( 40945 ),
Loctite 410 ( 41045 ), Loctite 412 ( 41250 ),
Loctite 414 ( 25635 ), Loctite 416 ( 30345 ),
Loctite 417 ( 41750 ), Loctite 420 ( 30346 ),
Loctite 422 ( 42232 ), Loctite 424 ( 31080 ),
Loctite 425 ( 42540 ), Loctite 430 ( 43050 ),
Loctite 431 ( 29998 ), Loctite 435 ( 41814 ),
Loctite 438 ( 41815 ), Loctite 444 ( 12292 ),
Loctite 447 ( 44740 ), Loctite 454 ( 45416 ),
Loctite 455 ( 22309 ), Loctite 460 ( 25637 ),
Loctite 480 ( 41105 ), Loctite 495 ( 25639 ),
Loctite 496 ( 25640 ), Loctite 498 ( 49850 ),
Loctite 499 ( 49945 )
" Non-drip properties is shown in the picture for Loctite 454 "
 
   
   
LOCTITE Thread Sealants ( Anaerobic Adhesives )
LOCTITE 577
LOCTITE® 577 ( 23411 )  is designed for the locking and
sealing of metal threaded pipes and fittings. Particularly
suitable for use on stainless steel without the need for
surface activation. 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 thixotropic nature of LOCTITE® 577 reduces the
migration of liquid product after application to the substrate.
   
Click to enlarge image
Loctite anaerobic thread sealant
" Loctite anaerobic thread sealant cure when confined in the
absence of air between close fitting metal surfaces and
prevents loosening and leakage from shock and vibration "

    For easy part number identification :
    Loctite 542 ( 30980 ), Loctite 545 ( 23410 ),  
    Loctite 548 ( 39152 ), Loctite 554 ( 55441 ),
    Loctite 561 ( 37127 ), Loctite 565 ( 30986 ),
    Loctite 566 ( 56629 ), Loctite 567 ( 22648 ),
    Loctite 569 ( 25320 ), Loctite 571 ( 57141 ),
    Loctite 572 ( 35483 ), Loctite 574 ( 57435 ),
    Loctite 575 ( 57541 ), Loctite 577 ( 23411 ),
    Loctite 586 ( 58646 ), Loctite 592 ( 59231 )
   
   
LOCTITE 680 Retaining Compound : Simple Fixing, Reliablity Guaranteed
LOCTITE 680 Retaining Compound
LOCTITE® 680™ ( 23416 ) is designed for the bonding of
cylindrical fitting parts, particularly where low viscosity is
required. The product cures when confined in the absence
of air between close fitting metal surfaces and prevents
loosening and leakage from shock and vibration.
   
An oleo -  chemical with edible oil refinery plant located in Pasir Gudang had a partial shutdown. One of the air blowers
faced a bearing loosening problem and had no choice to stop the operation. One of the four bearings had  to be changed.

Fixing a new bearing to the housing and shaft  could not solve the problem due to a small gap in between bearing and
bearing housing. To solve this problem with conventional method like rebuilding the bearing housing, metal spraying found
to be not feasible. Costing was one issue, and taking few days to complete was another greater issue.

Loctite Engineer, En Saharudding was invited to tackle the problem. Loctite 680 was later proposed to fix the bearing.  
   
Applying the Loctite 680
Applying the Loctite 680
" Applying the Loctite 680 to the bearing housing and the
shaft; the surfaces to be treated were first cleaned with
Loctite ODC Free Cleaner  & Degreaser 22355 "
" Applying the Loctite 680 to the bearing "
   
Applying the Loctite 680
For easy identification of part number :
Loctite 601 ( 35499 ), Loctite 603 ( 30994 )
Loctite 609 ( 23412 ), Loctite 620 ( 30999 )
Loctite 635 ( 63531 ), Loctite 638 ( 31001 )
Loctite 640 ( 41027 ), Loctite 641 ( 31006 )
Loctite 648 ( 32717 ), Loctite 649 ( 41024 )
Loctite 660 ( 22647 ), Loctite 668 ( 40391 )
Loctite 675 ( 67538 ), Loctite 680 ( 23416 )
" The bearing is being fixing into the housing "

One would be surprised by this simple solution compared to the conventional methods, in terms of  time spent, and the cost
involved. Less than half bottle of Loctite 680 was used, and certainly less than Ringgit Malaysia 50.00  or USD16.00 was
spent.
   
   
LOCTITE 326 Speed Bonder™ Structural Adhesive
LOCTITE 326 Speed Bonder
LOCTITE  326  ( 25744 )

Typical applications include bonding ferrites to plated
materials in electric motors, loudspeaker hardware and
jewelry where fast fixturing is required.

This is a no-mix acrylic adhesive  --  surface to be treated
with  Loctite 7649  ( 19269 ) before bonding.
   
Loctite 7649
Loctite 326 is an all-purpose bonder / adhesive. It offers the  
( high )  strength of  an epoxy and  the  ( fast ) speed of an
instant glue / supper glue.

For  the rough and porous surfaces,  Loctite 330 Depend
Adhesiev (  20251 , 36909 )  could be another choice of
adhesive.

For easy part number indentification :
Loctite 312 ( 31231 ), Loctite 319 ( 31930 ),
Loctite 324 ( 25743 ), Loctite 325 ( 39292 ),
Loctite 326 ( 25744 ), Loctite 330 ( 20251 ),
Loctite 332 ( 33275 ), Loctite 334 ( 33403 ),
Loctite 384 ( 17099 ), Loctite 392 ( 39205 , 39250 )
   
   
LOCTITE 5699 : Oil Resistant RTV Silicone Gasket Sealant
LOCTITE 5699
LOCTITE® 5699 ( 33964 )  is designed primarily for flange
sealing with excellent oil resistance on rigid flange sealing for
example on transmissions and cast metal housings
   
One engineer from a ceramic tile manufacturing company gave us a ring to ask for help. He was facing hydraulic oil leakage
in his ceramic tile press machine.

According to him, any proposal of solution given must be carefully evaluate as the management could not afford a
second-time stop for repair due to very tight production schedule.
   
Application of Loctite 5699
Application of Loctite 5699
Loctite 5699 was later proposed  and accepted  to  seal the
flanges, and also as a O-ring dressing.
" This part weighed several hundreds of  kilograms,
alignment  during fixing is another challenge  -- to  fasten
with 16 studs "
   
Application of Loctite 5699
Application of Loctite 5699
" Cleaning in progress with Loctite 7070 Cleaner before
applying Loctite 5699 "
" Forklift was used during fixing "
   
   
LOCTITE 277 : Small Money, Big Saving
LOCTITE 277
LOCTITE® 277  ( 30933 ) 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. Typical applications include the
locking and sealing of large bolts and studs (M25 and larger)
   
A water pump  in a dredging ship which run on high rpm faced screw loosening problem. The operation had to be stopped
inevitably for few hours to repair. This would cost a big loss in terms of man-hour, operation cost;  fuel kept burning for
nothing.  Every ton of yield ( sand )  contributed to the billing.

Since the bronze impeller was locked by the nut with limited threads, over-tightening tends to happen which eventually
spoiled the threads.

LOCTITE  277 was then proposed to the ship owner. The mating surfaces were first cleaned with LOCTITE 7649, it would
activate the reaction and shorten the curing time ( For detailed application of LOCTITE 7649, do feel free to email us for
TDS ).
   
LOCTITE 7649
LOCTITE 277
   
LOCTITE 277
The nut was then fastened and left for 24 hours to be fully
cured.

In this entire job, very minimal amount of LOCTITE 277 was
used. Based on the given gauge below, the consumption
was approximately 0.4 ml was used, or could be less.  
Hence,  not more than Ringgit Malaysia 60 cents was spent.  
This is definitely very very low compared to the loss due to
the  downtime which might cost thousands of Ringgit
Malaysia.
   
For easy part number identification:
Loctite 222 ( 22241 ), Loctite 241 ( 24130 ),
Loctite 242 ( 23398 ), Loctite 243 ( 23962 ),
Loctite 248 ( 37087 ), Loctite 262 ( 23400 ),
Loctite 268 ( 37686 ), Loctite 290 ( 30927 ),
Loctite 271 ( 23402 ), Loctite 272 ( 34933 ),
Loctite 277 ( 30933 ), Loctite 290 ( 23406 ),
   
   
LOCTITE 515 : Seals Perfectly
LOCTITE 515
LOCTITE® 515™  ( 22645 ) cures when confined in the
absence of air between close fitting metal surfaces. It seals
close fitting joints between rigid metal faces and flanges and
will flex with minor flange movements. Provides resistance to
low pressures immediately after assembly of flanges.
Typically used as a form-in-place gasket for pumps,
thermostats, compressors,  transmission housings and axle
covers.
   
An owner of one wire rope company came to us for solving a critical problem. Without solving it, the only machine for
making wire rope termination, the entire operation  would be stuck.

The wire rope terminal  press machine he had was encountered a severe  hydraulic oil leaking problem. Pressure of
hydraulic  ( clamping force ) could not be built up to perform the clamping. Despite of changing the o-ring not so long ago,
the hydraulic oil still leaked uncontrollable.

One contractor was called to fix the problem,  no failure is to be allowed this time. After examine the system, we proposed to
seal with  LOCTITE 515  Gasket Eliminator.
   
LOCTITE 515 Gasket Eliminator
LOCTITE 515 Gasket Eliminator
The machine was dismantled again to seal with Loctite 515
The mating surface was later cleaned with SMARTS Fast Dry
Industrial Cleaner. It is a power cleaner which clean oils,
greases, and certain gasket and polymer residues.
   
LOCTITE 515 Gasket Eliminator
LOCTITE 515 Gasket Eliminator
The O-Ring was placed according to OEM Specs
LOCTITE 515  formed a " Gasket " on the flange.
   
LOCTITE 515 Gasket Eliminator
Part number identification
For easy part number
identification:
Loctite 510 ( 30972 )
Loctite 515 ( 22645 )
Loctite 518 ( 51831 )
Loctite 545 ( 30980 )
Loctite 573 ( 57331 )
Loctite 574 ( 57435 )
The hydraulic system was sealed perfectly and the machine
was put back to operation.
 
   
   
LOCTITE 290 : Seals hair-line cracks effectively
LOCTITE 290
LOCTITE 290 ( 23406 ) 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.
   
Besides, Loctite 290 is found to be a wonderful product for  sealing hair-line cracks in metal parts, gearboxes, pump
casings, etc. We had solved a leaking problem found in a pump housing. Below is the application case history.
   
Application of LOCTITE 290
A hair-line crack caused a leak and the media ( oil ) caused
a mess to the working area and loss to the factory owner.
The owner had called us for a solution.  Welding had not
been considered due to previous experience of failure.
   
LOCTITE ODC Free Cleaner
The area to be treated was power-abraded to the base
metal.  It was later cleaned with LOCTITE ODC Free Cleaner.
   
Application of Loctite 290
Application of Loctite 290
Loctite 290 was applied directly onto the crack line. Due to its nature of low viscosity and high polarity, the green liquid
seeped automatically into the tiny crack by capillary action and cured after 24 hours. It was then put back to operation and
run without fail.
   
Loctite Brushable Ceramic
Tips & Tricks :   The sealing can be strengthened by
applying a layer of Loctite Brushable Ceramic onto the inner
surface and outer surface of  the cracks.
Application of Loctite Brushable Ceramic
Application of Loctite Brushable Ceramic
A layer of brushable ceramic was coated in the inner pump
casing surface.
Greyish layer of brushable ceramic provides extra protection
against corrosion from process fluid.
   
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