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Henkel Adhesive Technologies

Henkel Adhesive Technologies

Gasketing sealants


White, general purpose RTV silicone sealant

General purpose, 1-part silicone adhesive sealant, which cures at room temperature to form a tough rubber seal. Can also be used for potting and coating.

All marks used are trademarks and/or registered trademarks of Henkel and its affiliates in the US, Germany, and elsewhere.

Part no. (SKU/IDH) 135506
LOCTITE® SI 594, 80 ml Tube

Size Please make your selection 80 ml

Packaging type Please make your selection Tube



LOCTITE® SI 594 is a white, general purpose, 1-part RTV (room temperature vulcanizing) acetoxy silicone adhesive sealant, which cures at room temperature on exposure to moisture in the air to form a tough rubber seal. Its thixotropic nature allows for easy flow dispensing, while preventing the migration of liquid product once applied to the part. Will not slump in overhead or vertical applications. It has been formulated to withstand extreme temperature cycling, UV light, and ozone. Please note this product cannot be painted.



Chemical basis / base:

Acetoxy silicone



Cure type:

Room temperature vulcanization (RTV) cure

Key characteristics:

Mix: no mix required,Thixotropic

Number of components:

1 part

Physical form:


Storage temperature:

8.0 °C - 21.0 °C

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  • LOCTITE SF 7070, ODC-Free Cleaner - 15oz Aerosol can (IDH 231562)

    General industrial cleaners

    LOCTITE® SF 7070


    Non-CFC, general purpose cleaner for plastic parts​

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