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NF 307 Flexi Sealant

NF 307 Flexi Sealant

 

Product Description

 

NF 307 Flexi Sealant is a neutral, highly elastic, one-component NF Polymer-based joint sealant. It is a low modulus sealant suitable for both indoor and outdoor applications. NF 307 is eco-friendly, free from isocyanate, solvent, acids, and halogens. It has excellent primerless adhesion to numerous porous and non-porous substrates. NF 307 exhibits no bubble formation, even in wet and humid conditions. It also has very good UV resistance, is overpaintable with water-based paints, and has no shrinkage.

 

Features

 

  • Highly thixotropic: Suitable for horizontal and vertical joints.

  • Low modulus: Can withstand extreme joint movement.

  • Eco-friendly, free from isocyanate, solvent, acids, and halogens.

  • Excellent primerless adhesion to numerous porous and non-porous substrates.

  • No bubble formation, even in wet and humid conditions.

  • Very good UV resistance.

  • Overpaintable with water-based paints.

  • No shrinkage.

 

Applications

 

  • Expansion and connection joints in the building industry.

  • Sealing of joints in prefabricated buildings.

  • Movement joints in high rise constructions.

  • Sealing between window and door frames.

  • Where joints have to be painted.

 

Specifications

 

  • Code: NF 307

  • Colors: White, Black, Grey

  • Volume: 290 ml, 400 ml, 600 ml

  • Box: 12

  • Chemical Base: NF Polymer

  • Curing System: Moisture

  • Density: 1.45 ± 0.03 g/ml

  • Appearance/Color: Paste, White, Black, Grey

  • Tack Free: 10-20 minutes

  • Curing Rate: 2-3 mm/day

  • Hardness Shore A: 40-50 (after 28 days)

  • Elongation at Break %: ≥ 300%

  • Volume Loss: 0%

  • Tensile Strength: ≥ 0.8 N/mm2

  • Heat Resistance: -40°C to +90°C

  • Application Temperature: +5°C to +40°C

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