DOWSIL™ 121 Structural Glazing Sealant

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A fast-curing structural silicone sealant for use in structural and weatherseal applications.

Uses:

Assembly, installation or repair of structurally glazed glass and other substrates

Benefits:

Easy-to-use, user-friendly dispensing – offering a unique 1:1 ("121") mix ratio, DOWSIL™ 121 Structural Glazing Sealant is supplied in a two-part cartridge, complete with a static mixer
On-site or in-shop suitability – portable for on-site structural glazing as well as in-shop structural glazing
Enhanced productivity – cures in just one day (24 hours) compared with 14-21 days for single-part sealants
Cost savings – 1:1 mix ratio eliminates the need to invest in specialized pumps and mixing equipment and related maintenance costs
Superior silicone performance – outperforms organic weatherseals and structural tapes
Service and support from a trusted source – including a full range of project management services, as well as an available 20-year Structural Adhesion Limited Warranty

Properties

These values are not intended for use in preparing specifications.

Physical Properties

Adhesion to Yes No Alodine Aluminum, Aluminum, Anodized Aluminum, Glass
Appearance Yes No Opaque
Chemistry Yes No Neutral
Movement Yes No Low
Substrate Yes No Non-porous

Application Benefits

Resistance Type Yes No UV Resistance
Special Features Yes No Fast Cure, Field Repair

Processing-Formulating Benefits

Cure System Yes No 2-Part Cure
Where Used Yes No Factory, Job Site

With a fast cure and 1:1 mix ratio, DOWSIL™ 121 Structural Glazing Sealant answers the challenges facade contractors and manufacturers face with slow-curing, one-part sealants, mixing challenges of multipart sealants, and limited movement capability of tapes.

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DOWSIL™ 121 Structural Glazing Sealant

With a fast cure and 1:1 mix ratio, DOWSIL™ 121 Structural Glazing Sealant answers the challenges facade contractors and manufacturers face.

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