Engineering solutions in the field of
lubricants and sealants

Materials: Dow Corning
Primer Dow Corning 1200 OS Primer clear


This product is used in construction applications to improve adhesion and accelerate adhesion build-up of silicone sealants to various substrates. This moisture curing primer is supplied as a dilute solution of reactive materials in low viscosity siloxane.


Material Safety Data Sheet - Dow Corning 1200 OS Primer Technical Data Sheet - Dow Corning 1200 OS Primer


500ml 5l



Improves adhesion of silicone sealants to many substrates
Provides more uniform and stronger bonds
Conforms to South Coast and Bay Air Quality Management District Regulations for Architectural Sealant Primers
Low VOC at 76 g/l
Formulated for low toxicity
OS solvent used does not deplete the ozone layer. OS = Ozone Safe
Primer is suitable for Weathersealing and Structural Glazing applications


Primer for silicone adhesives and sealants