Loctite 5452 Thread Sealant
Loctite 5452 Fast Cure Hydraulic / Pneumatic Primerless Thread Sealant 50ml
- Temperature : -65 - 300 °F
- Viscosity : 29000 - 200000
- Color : Purple
- Curing Type : Anaerobic
- Application : Thread sealing
LOCTITE 5452 is a purple, thixotropic, methacrylate ester acrylic thread sealant liquid designed for threaded fittings commonly found in hydraulic and pneumatic systems. It is useful with dry seal fittings such as O-Ring boss style connectors. It can be used as a sealant on mating surfaces of flare style fittings. It contains no fillers or particles that can interfere with a hydraulic system.
- Suitable for large diameter pipes
- Prevents the rotation that ultimately leads to leakage
- Seals scratches and surface imperfections
5452™ is designed for threaded fittings commonly
found in hydraulic and pneumatic systems. The thixotropic
nature makes LOCTITE®
5452™ suitable for large diameter
pipes. This material is useful with dry seal fitings such as
O-Ring boss style connectors, by preventing the rotation that
ultimately leads to leakage. LOCTITE®
5452™ can be used as
a sealant on mating surfaces of flare style fittings to seal
scratches and surface imperfections. It contains no fillers or
particles that can interfere with a hydraulic system.
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
3/8 x 16 steel nuts & bolts compared to different materials and
tested according to ISO 10964, pretorqued to 5 N·m.
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 breakloose strength
developed with time using Activator SF 7471™ and SF 7649™
on 3/8 x 16 zinc dichromate nuts and bolts and tested
according to ISO 10964, pretorqued to 5 N·m.
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 best results, clean all surfaces (external and internal)
with a LOCTITE®
cleaning solvent and allow to dry.
- If quicker service time is required, use Activator 7471™ or
7649™ prior to application of sealant and allow to dry.
- For NPT or other taper joint fittings apply a 360° band of
sealant to leading threads of the male fitting. For larger
threads and gaps, adjust the volume of sealant
- For ORB & O-Ring Fittings apply a 360° band of sealant
to the threads for the male fitting. Ensure product is
applied into roots of the threads and adequate coverage.
- For JIC Fittings coat the face of the male JIC with the
sealant. This is applicable for new and damaged fittings.
Also apply to threads for vibration resistance.
- Remove with standard hand tools.
- Where hand tools do not work because of excessive
engagement length or large diameters (over 25 mm),
apply localized heat to approximately 250 °C.
Disassemble while hot
- Cured product is most easily removed with mechanical
abrasion such as a wire brush and wiped clean with a
- Fittings if mechanically acceptable can normally be
reused once cleaned.
Loctite Material Specification
LMS dated October-17, 2008. 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.
Store product in the unopened container in a dry location.
Storage information may be indicated on the product container
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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