Selsil 290mL White OCTOFLEX General Purpose Sealant

Item No. 30110
excl. tax
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Selsil 290mL White OCTOFLEX General Purpose Sealant has outstanding flexibility and elasticity.  Used in interior/exterior applications sealing and bonding joints where flexibility is required.  OCTOFLEX is an environmentally friendly single component, low modulus moisture curing STP (Silane Terminated Polymer) hybrid sealant that delivers a isocyanate-solvent free, non-toxic, and UV-resistant seal.  It brings together the mechanical properties of polyurethane and silicone without the strong fumes. OCTOFLEX adheres to materials including ceramic, stone, brick, metal, glass, most plastics, wood, plaster, concrete, drywall and other substrates.


  • Indoor &  outdoor applications
  • Permanently elastic & flexible
  • Non-sag
  • No bubble formation 
  • Shrink-proof
  • Paintable
  • Resistant to chemicals
  • Solvent free
  • UV resistant
  • Eco friendly
  • Odorless (VOC free)


Chemical BaseSilane Terminated Polymer
Specific Gravity (ASDM D 1045-86)1.40 (+/- 0.03) G/CM3
Tack Free Time (25 Degree Celsius and 50% R.H)>40 Minutes
Shore Hardness (ASTM D 53505)25 (+/- 5)
Elongation at Break (DIN 53504)> 300 %
Tensile Strength (DIN 53504)> 1.25 %
Application Temperature5° Celsius to 35° Celsius
Temperature Resistance-40°  Celsius to 90° Celsius
Not Suitable SubstratesPE, PP, PTFE
Applications for UseWindows, Doors, Facades, Kitchen & Bathroom, Gaps and more
Packaging290 mL