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SC902 Intumescent Steel Coating

Verified by manufacturer over a year ago

Nullifire

Nullifire SC902 provides a fast curing effective structural fire performance, for steelwork up to 120 minutes fire rating.

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Application

  • Suitable for both off-site or on-site applications.
  • Can be applied directly to blasted steel in a single application.
  • Existing spray equipment can be used and can be applied in standard airless spray application.
  • Ideal for open construction sites - saves on labour costs and time delays

Description

Nullifire SC902 provides a fast curing effective structural fire performance, for steelwork up to 120 minutes fire rating.


Features and benefits:

  • Fast cure, early weather resistance, shower proof within 1 hour.
  • Achieves external durability with an approved top seal.
  • Cures below 0° and fully dry by the following day.
  • Self-priming system tolerant of light rusting to steel, up to 2 weeks post blasting.
  • High build potential with all ratings in one application.
  • Fire rating up to 120 minutes assessed in accordance with AS1530.4- 2014 and AS4100-1998


Structural Elements for Protection:

  • Internal Steelwork fire rated up to 120 minutes, Non-Visible Environment up to C1
  • Internal Steelwork fire rated up to 120 minutes. Visible Environment up to C2
  • External Steelwork fire rated up to 120 minutes. Visible Environment up to C3
  • External Steelwork fire rated up to 120 minutes. Visible Environment up to C4
  • Swimming pool Steelwork fire rated up to 120 minutes. Visible Environment up to C3

General information

Color

White

Finish

Textured

Guidance for specification option:

A compatible top-seal can be applied if a decorative finish is required.

Manufacturer guidance

Level of finish to be approve by the Architect prior to the start of the project. Contact manufacturer for more information.

Warranty description

Ten year

Guidance for specification option:

AS per AS2312 Guidelines. Check with manufacturers data.

Manufacturer guidance

Intumescent coating warranty documentation can only be requested prior to commencement of works. Check with manufacturer.

Uniclass

Ss_40_90_40_42 Intumescent coating systemsPrimary

SpecPack

05100 Structural Steel

SpeedSpec

05100 Structural Steel

Specification data - Intumescent coating systems

System performance

Guidance for specification option:

Specified Fire Resistance Level up to 120/--/--.

Primer

Intecure 200.

Guidance for specification option:

Primer coating for C1 & C2 and intermediate coating for C3 environment at 75 Microns dry film thickness (minimum). Check with manufacturers specifics.

Interzinc 52

Guidance for specification option:

Primer Coat for C3 Environment at 75 Microns dry film thickness (minimum). Check with manufacturers specifics.

Manufacturer guidance

Application in accordance with C1, C2 and C3 environment,

and the use of alternative primers needs manufacturers' approval prior application. Refer to manufacturers' data sheets and instructions.

Intumescent base coat

Nullifire SC902.

Manufacturer guidance

Application as per loading schedule. Refer to manufacturers' data sheets and instructions.

Sealer coat

Interthane 870 / Interthane 878.

Guidance for specification option:

Optional/compatible topcoat in 75 Microns dry film thickness (minimum). Refer to manufacturers' data sheets.

Manufacturer guidance

Application in accordance with C1 and C2 environment. Refer to manufacturers' data sheets and instructions.

Bolt head and nut protection

Galvanized bolts.

Guidance for specification option:

Require no further preparation other than solvent de-greasing and Nullifire SC902.

Intumescent bolt caps.

Guidance for specification option:

An approved system for fire protection for bolted connections – compliant with AS1530.4-2014 – contact Permax for additional details.

Execution

Airless spray unit.

Guidance for specification option:

Refer to Permax for advice regarding appropriate equipment.

Standard

To AS1530.4 - 2014 and AS 4100 - 1998.

Environmental specifics

Low VOC and no solvent entrapment or prolonged solvent odour once fully cured.

Guidance for specification option:

As per Cetec VOC Content Test Certificate CV140407a. To Green Building Council of Australia Green Star Office Design Specification V3 IEQ-13.

Volume solids

85%, ± 3%.

VOC

137 g/L.

Viscosity

Part A 220 ± 10%.

Part B 9 ± 10%.

Part C 110 ± 10%.

Manufacturer guidance

Viscosity spindle 7@50 rpm. Refer to manufacturers' data sheets.

Application temperature

0° to 35°C.

Guidance for specification option:

  • Application temperature range from 0° to 35°C, relative humidity <95% and steel surface temperature at least 3°C above dew point temperature.
  • Maximum steel temperature 35°C.

Manufacturer guidance

For detailed product application instructions ang guidelines. Refer to manufacturers' data sheets.

Pot life

60 minutes.

Colour

Part A - White.

Part B - Translucent Black.

Mixed - White.

Cured - White.

Coverage

1750 g/m².

Guidance for specification option:

Based on an applied 1.00 mm dry film thickness.

Curing

24 hours.

Guidance for specification option:

Dry film thickness up to 3mm, 24 hours curing is required at 25°C before topcoat application.

48 hours.

Guidance for specification option:

Dry film thickness above 3mm, 48 hours curing is required at 25°C before topcoat application.

Manufacturer guidance

For detailed product application instructions ang guidelines. Refer to manufacturers' data sheets.

Surface preparation

Guidance for specification option:

  • No primer is required. for most internal and semi-exposed environments.
  • All surfaces to be coated should be clean, dry and free from loose friable materials and any other contaminants likely to impair adhesion.
  • Steelwork should be blast cleaned in dry atmospheric conditions using abrasive of suitable type and size, free from fines, moisture and oil.
  • The system is not suitable for use over single-pack primers.

Manufacturer guidance

Refer to Permax for specification advice.

Ties

Intergard 269.

Guidance for specification option:

Tie coat.

Sustainability data

Contains Red List materials

Yes

Guidance for specification option:

Low VOC and no solvent entrapment or prolonged solvent odour once fully cured.

Manufacturer guidance

Cetec VOC Content Test Certificate CV140407a to Green Building Council of Australia Green Star Office Design Specification V3 IEQ-13.

Country of material origin

United Kingdom

Country of product manufacture

United Kingdom

Manufacturer guidance

Products Manufactured in Malaysia and United Kingdom

Literature

Nullifire Brochure

Nullifire Brochure

Nullifire SC902 Intumescent Coating Specification
Structural Steel Fire Protection

Nullifire SC902 Intumescent Coating Specification Structural Steel Fire Protection

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