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Polyurethane - Bostik Seal N Flex 1
Polyurethane - Bostik Seal N Flex 1
Polyurethane - Bostik Seal N Flex 1

Polyurethane - Bostik Seal N Flex 1

Regular price $14.47 $11.70 19% OFF

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Bostik Seal N Flex 1 is a low modulus, one component, Class -A polyurethane sealant available in Black, Grey and White colour. When cured it will form a tough, flexible seal capable of cyclic expansion and compression movement of 100% (+50%) of the original installed joint width.

It has excellent resistance to normal weathering conditions such as rain, sunlight, snow, sleet, ozone, atmospheric contamination and pollution. This ability enables it to retain its original properties after years of exposure, refer to the CSIRO RILEM LON G- TERM SEALANT DURABILITY STUDY DBCE Doc. 97/196 (M)

Features:

  • Low modulus 100 %(+50%)
  • Excellent durability
  • One component, no mixing required
  • Australian made
  • Acoustic rating
  • Paintable (with limitations)
  • Non staining

Recommended uses:

  • In suitable with concrete & render
  • Precast and tilt up panels
  • Brickwork & block work
  • Plasterboard face and paper lined recessed edges
  • Fibre cement sheet
  • Aluminium windows
  • Granite, sandstone and marble
  • GRC, fibreglass & most specialty panel systems

Classification standards:

  • CSIRO RILEM LONG - TERM SEALANT DURABILITY STUDY DBCE Doc. 97/196 (M)
  • ISO 11600 -Class F -25LM
  • DIN 18540 (German) and SNJF (French) approval as a low modulus external joint sealant
  • ASTM C.920 -87 & 98 (USA) as Type S, Grade NS, Class 50 , use NT, G, A, M, &O as an external joint sealant
  • AS4020 Potable water • AS1157 -1972 Resistance to fungal growth
  • Ministry of Agriculture and fisheries New Zealand (Me at, fish, Game, Poultry - All areas)

Specifications:

  • Colour: Grey, Black
  • Appearance: Non-sag, smooth thixotropic paste
  • Cure method: Moisture curing
  • Tack free time: 6 - 12 hours
  • Rate of cute: 2mm/24hr on porous substrates
  • Hardness shore A: 30 approx
  • In service temerature range: -40°C to 70°C
  • Application temerature: 5°C to 35°C
  • Storage temerature: 5°C to 30°C
  • Specific gravity: 1.25g/ml
  • Chemical resistance: Resistant to dilute acids, alkalis and some solvents. Intermittent contact with diesel and petroleum
  • Elongation at break: >900%
  • Full cute: 7 days on porous substrates
  • Tensile strength: >1.3N/mm²
  • VOC: 74g/Lt
  • Shelf life: 2 years in original unopened sausage

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