LOCTITE SI 5088

Harmonization Code : 3506.91.90.99 | Prepared glues and other prepared adhesives, not elsewhere specified or included; products suitable for use as glues or adhesives, put up for retail sale as glues or adhesives, not exceeding a net weight of 1 kg ; Adhesives based on polymers of headings 3901 to 3913 or on rubber; Other ; Other

LOCTITE SI 5088

Main features

  • Straw colored liquid
  • UV Cure
  • Alkoxy Silicone

Product Description

LOCTITE® SI 5088 is a translucent, UV and moisture cure alkoxy based silicone encapsulant (non-corrosive) used for gasketing, sealing and leak-proofing on glass, metals and ceramics. This thixotropic silicone exhibits reduced migration of liquid after the application to the substrate.

LOCTITE® SI 5088 is a one component material that requires no mixing, forms a soft, highly flexible elastomer. and enhances the load bearing and shock absorbing characteristics of the bond area. It is ideal for glass, metals and ceramics but also suited to plastics. Fixturing time is up to 30 secs and service temperature from -60 to +200ºC.

Product Family

SI5088

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TDS, SDS & Technical Documents
  • LOCTITE SI 5088
    English (Technical Data Sheet (TDS))
  • LOCTITE SI 5088
    English (Safety Data Sheet (SDS))

Technical Specifications

General Properties
Specific Gravity Specific Gravity
1.02
Electrical Properties
Volume Resistivity Volume Resistivity
8.3000000000000000 Ohms⋅cm
Physical Properties
Viscosity Viscosity
65,000 mPa.s
Mechanical Properties
Elongation Elongation
37 %

Additional Information

Typical curing performance

Normal processing conditions will include exposure to sufficient UV light irradiance to effectively cure the material. Surface and/or atmospheric moisture will promote the cure of material in shadowed regions. Although functional strength is developed almost instantly due to the UV curing nature of LOCTITE® SI 5088™, increased cure properties are developed during 72 hours at ambient conditions.

Surface Cure

When curing with sufficient UV light irradiance, exposed material will cure dry to the touch in seconds. Atmospheric moisture cures material not exposed to UV light. Typically, non-UV light cured areas will skin over in approximately 11 minutes and become tack free in 14 minutes.

Depth of Cure

Shadowed areas rely on surface and/or atmospheric moisture to effect cure. Depth of cure is limited to approximately 6 millimeters and will take at least 24 hours to develop. Rapid depth of cure can be attained with focused UV light. The graph(s) below show the depth of cure obtained up to 60 seconds at two different levels of UV irradiance.

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