• Easy-to-use, user-friendly dispensing -
offering a unique 1-to-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
SDS Base
SDS Cure
Application Guide
