Sikaflex-591 Marine Adhesive Sealant 300 mL, STP - Noah's Marine Skip to content

Sikaflex®-591 Marine Adhesive Sealant, 300 mL

SKU 591B
by Sika

Original price $19.75 - Original price $19.75
Original price
$19.75
$19.75 - $19.75
Current price $19.75
Color: Black

Sikaflex®-591 is an elastic, 1-component silane terminated polymer (STP) adhesive sealant that cures on exposure to atmospheric moisture. It is highly colour-stable and mould-resistant, suitable for interior and exterior sealing in the marine industry, and bonds to a wide range of substrates with minimal surface preparation.

Features

  • Very high colour stability and mould resistance
  • Very good weathering resistance, interior and exterior
  • Good adhesion with minimal surface preparation
  • Solvent-, isocyanate-, phthalate- and PVC-free
  • Suitable for below-the-waterline applications

Recommended Uses

  • Interior and exterior marine sealing
  • Metals (especially aluminum), metal primers and paint coatings
  • Sheet steel, ceramics and certain plastics

Light colours may discolour in contact with teak. Test before use on materials prone to stress cracking. Suitable for experienced professional users. Test on the actual substrates and conditions to confirm adhesion and material compatibility.

Specifications

Property Details
Brand Sika
Chemical base Silane terminated polymer (STP)
Colours Black, white
Size 300 mL cartridge
Cure mechanism Moisture-curing
Density (uncured) 1.5 kg/L
Application temperature 5–40 °C
Skin time 35 minutes (23 °C / 50% RH)
Open time 20 minutes (23 °C / 50% RH)
Shore A hardness 45
Tensile strength 2.2 MPa
Elongation at break 500%
Tear propagation resistance 15 N/mm
Shrinkage 1%
Service temperature -50 to 80 °C
Shelf life 12 months (stored below 25 °C)

Data Sheets

  • Technical Data Sheets
  • Safety Data Sheets