Sikasil® SG-550

High-strength, 2-component silicone structural glazing adhesive, CE-marked

Sikasil® SG-550 is a 2-component, neutral-curing structural silicone adhesive with very high mechanical strength. It is mainly used for structural glazing applications and is well suited wherever in structural bonding higher mechanical strength is required.  

  • Meets requirements of EN 15434, ASTM C1184 and ASTM C920 (class 12.5)
  • Outstanding UV and weathering resistance
  • Structural sealant for structural sealant glazing systems covered by ETA-11/0392 issued by Technical Assessment Body Österreichisches Institut für Bautechnik, Declaration of Performance 60241468, certified by notified product certification body 0757, certificate of constancy of performance 0757-CPR-596-7110760-5-4, and provided with the CE marking
  • High design tensile strength for dynamic loads: σdes = 0.20 MPa (ETA)
  • SNJF-VEC recognized (product code: 3741)
  • Contributes to LEED v4/v4.1 EQc 2: Low-Emitting Materials
  • Complies with common VOC requirements:
    Indoor Air Comfort GOLD, EMICODE EC1 Plus, BREEAM International (v.6 2021)
Sikasil® SG-550 Sikasil® SG-550