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SteelMaster 90SB - Intumescent Coating

Verified by manufacturer 2 days ago

Jotun A/S

One component solvent based acrylic thin film intumescent coating for fire protection of structural steel exposed to cellulosic fire.

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Application

For internal and external applications.

  • Can be used as mid coat or finish coat in atmospheric environments.
  • Suitable on approved primers on carbon steel substrates.
  • Designed for structural steel up to corrosivity category C4 (ISO 12944-2) with an approved topcoat.

Whether topcoated or not, the coating must be protected from condensation, ponding/pooling water due to rainfall or running water during construction and in service. This also extends to snow and ice.

Description

SteelMaster 90SB is a one component solvent based acrylic thin film intumescent coating, which has been independently approved for fire protection of structural steel exposed to cellulosic fire.

Features and benefits:

  • Versatile: Majority of steel sections covered across different fire durations with one product.
  • Efficient: Reduced paint consumption due to optimised loadings.
  • Applicator-friendly: Easy airless spray and constructability.
  • Majority of steel sections for 60-minute fire protection can be achieved within one coat.
  • Easy to achieve aesthetic finish.
  • CE marked.

General information

Color

White

Material

Acrylic

Shape

Formless

Length

Bespoke

Width

Bespoke

Height

Bespoke

Uniclass

Pr_35_31_68_43 Intumescent protective coatingsPrimary

CAWS

M61/170 Off-site coating to galvanized steel

M61/160 Off-site coating to primed steel

M61/120 On-site coating to existing steel

M61/115 On-site coating to galvanized steel

M61/110 On-site coating to primed steel

Specification data - Intumescent protective coatings

Composition

Solvent-based.

Colour

White.

Standard

To BS 476-20 and BS 476-21.

Guidance for specification option:

Tested to EN 13381-8 and EN 13381-9.

Third-party certification

CE marking to EN 13381-8.

Reaction to fire class

C-s1, d0 to EN 13501-1.

Durability

Type Z2, Z1, Y and X to EAD 350402-00-1106.

Solids content

75% ± 4% to ISO 3233.

Flash point

25°C to ISO 3679 method 1.

Density

1.3 kg/L.

VOC content

345 g/L.

Film thickness

200–750 μm (dry), 270–1000 μm (wet).

Application method

Spray.

Brush.

Unit size

20 L.

Shelf life

18 months at 23°C.

Sustainability data

Material

Acrylic

Literature

Intumescent SteelMaster 90SB

Intumescent SteelMaster 90SB

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