LOCTITE SI 5600

Harmonization Code : 2901.10.00.00 | Acyclic hydrocarbons; Saturated

LOCTITE SI 5600

Main features

  • 2:1 Volume Mix Ratio
  • 3.5 to 10 Minute Fixture Time
  • At Least 120% Cured Elongation

Product Description

LOCTITE SI 5600 is a two-part alkoxy silicone adhesive/sealant. The represented black configuration mixes Part A and Part B at 2:1 by volume and forms a black thixotropic paste. At 25 deg C, fixture time is 3.5 to 4 minutes on Alclad and 5 to 10 minutes on steel using the stated ISO 4587 threshold. The system is used for bonding and sealing metals, glass, and ceramic or glass-ceramic assemblies. After seven days at 22 deg C and 50% RH, cured properties include at least 120% elongation, at least 1.0 N/mm^2 tensile strength, and 19.4 kV/mm dielectric breakdown strength.

Key features

  • Two-Part Mixing: Part A and Part B are mixed at 2:1 by volume for the represented black configuration.
  • Substrate-Dependent Fixture Time: Reaches fixture strength in 3.5 to 4 minutes on Alclad and 5 to 10 minutes on steel at 25 deg C under the stated ISO 4587 threshold.
  • Cured Flexibility: Elongation is at least 120% by ISO 37 after seven days at 22 deg C and 50% RH.

Applications

Bonding and sealing of metals, glass, and ceramic or glass-ceramic assemblies, including high-temperature appliance assemblies.

Product Family

LOCTITE SI 5600

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TDS, SDS & Technical Documents

Technical Specifications

General Properties
Specific Gravity
Specific gravity (SG) is the ratio of the density of a substance to the density of a reference substance; equivalently, it is the ratio of the mass of a substance to the mass of a reference substance for the same given volume. For liquids, the reference substance is almost always water (1), while for gases, it is air (1.18) at room temperature. Specific gravity is unitless.
1.2-1.4/(1.6-1.85)
Physical Properties
Viscosity (Part A)
40,000 to 90,000 mPa.s
Viscosity (Part B)
30,000 to 50,000 mPa.s

Additional Information

Technical properties

As-supplied / before-processing properties

Component values and mix ratio apply to the represented SI 5600 Black configuration.

PropertyValueUnitMethod / condition
Mix ratio2:1by volumePart A : Part B
Part A specific gravity1.2 to 1.4-25 deg C
Part A viscosity40,000 to 90,000mPa sCone and plate; 25 deg C; CP20-2; 20 s^-1
Part B specific gravity1.6 to 1.85-25 deg C
Part B viscosity30,000 to 50,000mPa sCone and plate; 25 deg C; CP20-2; 20 s^-1
Technical properties

After-processing / final-state properties

Cured-material values under the documented cure and test conditions.

PropertyValueUnitMethod / condition
Shore hardness30 to 50Shore AISO 868; after 7 days at 22 deg C / 50% RH
Elongation>=120%ISO 37; same seven-day cure
Tensile strength>=1.0N/mm^2ISO 37; same seven-day cure
Volume resistivity5.5x10^14ohm cmIEC 60093; cured material
Dielectric breakdown strength19.4kV/mmIEC 60243-1; cured material

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