Sika - Sikaflex Precast flexible sealant for prefabricated elements

One-component, air-moisture-binding, elastic sealing material. Used to seal expansion joints and connections between prefabricated elements. It is characterized by good adhesion to concrete and good application properties.

Technical data

• polyurethane base
• concrete-gray color
• density about 1.60 kg / dm ³
• Shore A hardness approx. 38 (after 28 days)
• secant modulus of elasticity at tensile approx. 0.60 MPa at 60% elongation (+23 C)
• elongation at break approx. 300%
• elastic return approx. 90%
• tear propagation resistance approx. 9.5 N / mm
• operating temperature from −40 C to +70 C
• 25% deformation (ASTM C 719)
• package 600 ml sausage, 20 sausages in a carton