Sikaflex®-551

High weathering resistant multifunctional and low emission STP adhesive

Sikaflex®-551 is a very low emission 1-component Silane Terminated Polymer (STP) assembly adhesive. It has a very high weathering and mold/fungus resistance. It exceeds common environmental and safety standards and sets a new benchmark. It bonds well to a wide range of substrates with minimal pre-treatment.  

  • Excellent ageing and weathering resistance
  • High fungicidal resistance
  • Exceeds highest EHS standards
  • Free of isocyanate, solvents, PVC, tin and phthalates
  • Bonds well to a wide variety of substrates without the need for special pre-treatments
  • Highly elastic
  • Can be painted
  • Very low emission
  • Meets hygiene requirements for ventilation and air-conditioning systems and unit according VDI 6022 Blatt 1:2011-07
  • ISEGA certificate for foodstuff area usage