Sikaflex®-551

Multifunctional and low emission STP adhesive

Sikaflex®-551 is a very low emission one-component adhesive based on the Sika Silane Terminated Polymer (STP) technology that cures on exposure to atmospheric humidity. Sikaflex®-551 not only exceeds common environmental and safety standards it also sets a new benchmark from an EH&S point of view. It is equipped with a fungicide package, which hinders the growth of microorganism in warm and humid environments.  

  • Excellent ageing and weathering resistance
  • High fungicidal resistance
  • Can be painted
  • Very low emission
  • 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
  • Meets hygiene requirements for ventilation and air-conditioning systems and unit according VDI 6022 Blatt 1:2011-07
  • ISEGA certificate for foodstuff area usage