Sikasil Primer 2100 - General purpose silicone primer
Sikasil Primer-2100 is used to promote adhesion of Sikasil silicone sealants to a variety of construction materials such as stone, masonry, metal, coated glass and plastics. Containers should be kept tightly sealed when not in use. Sikasil Primer-2100 hydrolyzes on contact with atmospheric moisture and prolonged exposure will reduce or destroy its effectiveness.
When hydrolyzed,the primer will appear milky in color, do not use. Sikasil sealants must be applied within 8 hours of priming with Sikasil Primer-2100 or cleaning and re-priming will be required.