PRODUCT DESCRIPTION
JOINSIL 990 STRUCTURAL SILICONE SEALANT is a one-part high quality, neutral and room-temperature cured
Silicone Structural Sealant.
JOINSIL 990 STRUCTURAL SILICONE SEALANT　has excellent adhesion without applying primer painting to many
architecture materials such as glass, coated glass, anode aluminum material, granite and coated mental material.
JOINSIL 990 STRUCTURAL SILICONE SEALANT high ultimate tensile strength sealant ideally suited for structural
bonding and protective glazing applications.

FEATURES
One component, Odorless, neutral and non-corrosive cure at room temperature.
Excellent resistance to weather, over 50 years’ duration
Excellent resistance to low and high temperature, performance changes little between -50°C~200°C
Excellent mechanical properties
Very good adhesion and compatibility, especially to metals (non-corrosive) and various paint systems.
Compatible to most membrane-plated glass or hollow glass.
Meets global standards for structural glazing (American, China, Europe)

APPLICATIONS
Can be used for structural glazing and sealing for glass, stone, aluminum panel curtain wall, and secondary seal of
insulating glass, filling and sealing for complex edge.
Suitable as a secondary edge sealant for the manufacture of multipane insulating glass used in structural glazing fa
çades.
Is also used for sealing and bonding in building construction and technical/industrial applications.