Features Can be extruded from -20 to 120°F. May be used in joints that are not uniform in width. Movement capability 100% extension and 50% compression. Low modulus. Weather and UV resistant. Fuel resistant-short term exposure. Refer to Dow Corning form number 62-207 for more information. One component, cold applied, ready-to-use as supplied; dispensed directly from the bulk container into the joint by hand or with an air-powered pump. Unprimed adhesion – primer is not required for bonding to Portland cement concrete. For optimum adhesion, the surface must be clean, dry and frost-free. Cure time – typically, the sealant will have a skin-over time of one hour or less at standard conditions.