Sikaflex PRO-3 SL is a self-leveling, colored, flexible waterproofing material based on moisture-curing polyurethane.

Features

• one-component
• self-spilling
• remains flexible over a wide temperature range
• 35% deformation (ASTM C 719)
• good mechanical resistance
• good chemical resistance
• cures without microbubble formation in
• good adhesion to various substrates
• very low emissions
• resistant to water, sea water, diluted alkalis, cement slurry, water dispersions, detergent in
• short-term resistance (≤ 72 h) to diesel and aviation fuel according to DIBt

Application

The product is used to seal many types of gaps in floors and engineering structures. It guarantees a watertight filling with good mechanical properties. Seals gaps, cuts, vertical and horizontal joints, inside and outside rooms

• in the food industry
• in production halls
• in warehouses
• in tunnels and on bridges
• in airport pavements
• in parking lots
• in areas with pedestrian and vehicular traffic
• for ceramic tiles in public buildings

Technical data

• chemical base moisture-curing polyurethane (i-Cure technology)
• density ~ 1.40 kg / dm ³ (according to PN-EN ISO 1183-1)
• Shore A hardness ~ 28 (after 28 days; according to PN-EN ISO 868)
• secant tensile modulus of elasticity: approx. 0.45 MPa at 100% elongation (at 23 C); approx. 0.80 MPa at 100% elongation (at -20 C)
• elongation at break ~ 700% (according to PN-EN ISO 37)
• elastic return ~ 90%
• tear propagation resistance ~ 8 N / mm
• displacement transfer capacity: 25% (according to PN-EN ISO 9047); 35% (according to ASTM C 719)
• operating temperature from -40 C to +70 C
• storage time - stored in factory-closed, undamaged, tight packaging, in appropriate conditions, it is best to use it within 15 months from the date of production
• storage - should be stored in dry conditions, protected against direct sunlight, at a temperature between +5 C and +25 C