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Nullifire FS702
Application

FS709 is designed to close off gaps and penetrations in compartment walls and floors, to provide up to four hours fire resistance. This product has been formulated to close off plastic pipe penetrations in the event of a fire, negating the need for pipe closers or wrap systems. It is suitable for the following service penetrations up to 125 mm; polyvinyl chloride (PVC) pipes, acrylonitrile butadiene styrene (ABS) pipes, high density polyethylene (HDPE) pipes including Armaflex and glass wool insulation. FS709 can also be used with metallic pipes, cables and cable bunches including telecommunication cables, cable trays and cable ladders.

Description

Water-borne intumescent acrylic sealant which cures to give a firm but flexible fire seal. It is suitable for use in various construction joints offering up to 30% movement capability whilst providing an excellent acoustic and air seal.

FS702 is ideally suited for use around small annular service penetration seals in walls and floors. It has excellent adhesive qualities and can also be used for the bonding and pointing of joints and service penetrations in conjunction with FB750 coated boards.

Features and benefits:

  • CE marked.
  • Tested in accordance with BS EN 1366-4 and ETAG 026.
  • Fully tested for up to 240 minutes' joint fire resistance.
  • Ideal for sealing low movement joints - suitable for gaps up to 50 mm wide.
  • Suitable for rigid and flexible walls.
  • Used for sealing FB750 Coated Fire Batts.
  • Acoustics up to 61 dB.
  • Air pressure tested up to 2000 Pa.
  • Single sided seal tested.
  • Easily paintable.

Applications:

FS709 is designed to close off gaps and penetrations in compartment walls and floors, to provide up to four hours fire resistance. This product has been formulated to close off plastic pipe penetrations in the event of a fire, negating the need for pipe closers or wrap systems. It is suitable for the following service penetrations up to 125 mm; polyvinyl chloride (PVC) pipes, acrylonitrile butadiene styrene (ABS) pipes, high density polyethylene (HDPE) pipes including Armaflex and glass wool insulation. FS709 can also be used with metallic pipes, cables and cable bunches including telecommunication cables, cable trays and cable ladders.

General information

Material

Intumescent acrylic mastic

Uniclass 2015

Pr_30_31_76_40 Intumescent firestop sealantsPrimary

CAWS

P12/48 Sealant – fire-resisting acrylic

Specification data - Intumescent firestop sealants

Product Reference

Nullifire FS702

Colour

Grey

White

Standard product features

Material:

Intumescent acrylic mastic.

Performance:

  • Fire resistance (to BS EN 1366-4): Up to four hours.
  • Acoustic rating (to BS EN ISO 10140:2): Up to 61 dB.
  • Air permeability (to BS EN ISO 1023-2): Air tight up to 2000 Pa.

Technical properties:

  • Solids content: 78–82%.
  • pH value: 8.2–9.52.
  • Specific gravity: 1.5–1.56.
  • Viscosity: Thixotropic.
  • Touch dry (at 20°C): 30 minutes.
  • Cure through time (at 20°C, 20 mm depth): 20 days.

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