Dow -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

Category: UV resistant sealants | caulking compounds | special purpose sealants...

MasterFormat: Joint Protection | Joint Sealants | Glazing...



Dow
Corporate Center
PO Box 994
Midland, MI 48686
Tel: (586) 496-4000

jlmijal@dow.com

https://www.dow.com/en-us.html

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Overview


DOWSIL™ 121 Structural Glazing Sealant

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

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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Specifications

Typical Properties

Adhesion to

Alodine Aluminum, Aluminum, Anodized Aluminum, Glass

Appearance

Opaque

Chemistry

Neutral

Cure System

2-Part Cure

Movement

Low

Resistance Type

UV Resistance

Special Features

Fast Cure, Field Repair

Substrate

Non-porous

Where Used

Factory, Job Site