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Model No. 65056


Nulfex FLEXONE PU Sausage Sealant 591mL Grey

Features

  • A sealant that is like Silicone + Construction Adhesive
  • superior adhesion at a wide range of temperatures and joint movement capability +35%
  • Bonds to most construction materials without a primer, suitable for all climates
  • Provides long-lasting weather tight seals in concrete, masonry, aluminum, wood, expansion wall joints, curtain wall construction, panel walls, precast units, window frames, fascia, structural components and vinyl siding
  • Excellent interior & exterior sealant.
  • Water immersible
  • Low VOC
  • In cool or cold weather, store container at room temperature for at least 24 hours before using
  • Application temperature: Above 4°C
  • Do not allow uncured 650 to come into contact with alcohol-based materials or solvents
  • Do not apply polyurethane sealants in the vicinity of uncured silicone
  • 650 should not come in contact with oil-based caulking, uncured silicone sealants, polysulfide, or fillers impregnated with oil, asphalt, or tar

Service temperature: -40°F to 180°F (-40°C to 82°C)
Movement Capacity (ASTM C719): +/- 35%
Tensile strength, psi (MPa) (ASTM D412): 350 (2.4)
Tear strength, pli (ASTM D1004): 50
Ultimate elongation at break (ASTM D412): 800%
Rheological (ASTM C639): (sag in vertical displacement) at 49°C (120°F) No Sag
Extrudability, 3 seconds (ASTM C603): Passed
Hardness, Shore A (ASTM C661) at Standard Condition: 25 - 30
Hardness, Shore A (ASTM C661) after heat aging (max. Shore A: 50): 25
Weight loss, after heat aging (ASTM C792): 3%
Shrinkage: None
Cracking and chalking, after heat aging (ASTM C792): None
Tack-free time, hrs, (maximum 725 hours) (ASTM C679): Passes
Stain and colour change (ASTM C510): Passes (no visible stain)
Bond durability, on glass, aluminum, concrete (ASTM C719): Passes, +/- 35% movement
Adhesion* in peel, pli (min. 5 pli) (ASTM C794): 30
Adhesion* in peel after UV radiation through glass (min. 5 pli): Passes (ASTM C794)
Artificial weathering, Xenon arc, 250 hours (ASTM C793): Passes
Artificial weathering, Xenon arc, 3,000 hours (ASTM G26): No surface cracking
Water immersion*, 50°C (122°F) (ASTM C1247): Passes 10 weeks with movement cycling