Loctite SI 5910 Rtv Silicone Flange Sealant 50ml



Loctite Si 5910 Rtv Silicone Flange Sealant 50ml

  • Tensile Shear Strength : 1.2 N/mm²
  • Temperature : -65 - 500 °F
  • Viscosity : Thixotropic paste
  • Key Substrates : Metal, Plastic
  • Color : Black
  • Curing Type : Room temperature vulcanizing (RTV)
  • Application : Sealing

LOCTITE® SI 5910 is a low strength, silicone-based gasketing product designed for use on flexible flanges with machined or cast surfaces (metal or plastic). It is suitable for gaps up to 1 mm and offers a cure-through volume (in 24 h) of 2.75 mm. Typical applications include stamped sheet metal covers (timing covers and oil sumps).

  • For use with flexible flanges
  • Good resistance to oil and joint movement
  • Can be supplied in cartridges, tubes or rocep cans
  • Reduces migration of liquid after application
Typical applications include stamped sheet metal covers
(timing covers and oil sumps) where good oil resistance and
the ability to withstand high joint-movement is required. The
thixotropic nature of LOCTITE® SI 5910®
reduces the migration
of liquid product after application to the substrate.

Cure Speed

The graph below shows shear strength developed with time
on Aluminum lapshears at a bond gap of 0.5 mm. Cure
condition 23±2 °C, 60±5% RH. Strength is determined
according to ISO 4587.
Depth of Cure

The depth of cure depends on temperature and humidity.
Depth of cure was measured on strip pulled from a
ramped PTFE mold (maximum depth 10 mm).

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).
Directions for use:

  1. For best performance bond surfaces should be clean and
    free from grease.
  2. Moisture curing begins immediately after the product is
    exposed to the atmosphere, therefore parts to be
    assembled should be mated within a few minutes after the
    product is dispensed.
  3. The bond should be allowed to cure (e.g. seven days),
    before subjecting to heavy service loads.
  4. Excess material can be easily wiped away with non-polar
  5. For full automatic applications a volumetric dispensing
    system is recommended.

Loctite Material Specification

LMS dated January-08, 2009. 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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