Interchar® 1190

Designed for on-site application to structural steel requiring protection from cellulosic fire. Interchar 1190 is a low VOC acrylic intumescent material independently fire tested in accordance with BS EN 476-20, 21 and 22.

To provide up to two hours cellulosic fire protection on beams, columns and hollow sections exposed in interior environments. Interchar 1190 should always be applied over a recommended anti-corrosive coating scheme.

Interchar 1190 (whether sealed or not) should be protected from pooling or running water. It is not designed for frequent water immersion/ soaking.

General information

Uniclass 2015

Pr_35_31_68_43 Intumescent protective coatingsPrimary


M61/110 On-site coating to primed steel

M61/115 On-site coating to galvanized steel

M61/120 On-site coating to existing steel

M61/140 On-site overcoating to existing steel

Specification data - Intumescent protective coatings

Product Reference

Interchar® 1190

Product Options

Technical details:

  • Colour: White.
  • Gloss level: Matt.
  • Typical thickness: 250–700 microns dry; 362–1014 microns wet.


The following primers are approved for use with Interchar 1190:

  • Intercryl 525.
  • Intercure 200.
  • Intercure 200HS.
  • Intergard 251.
  • Intergard 269.
  • Intergard 276.
  • InterH2O 499.
  • Interprime 306.
  • Interseal 670HS.

Interchar 1190 may also be applied over Interzinc 52 providing a suitable tie coat is also used. The following topcoats are approved for use with Interchar 1190:

  • Intercryl 525.
  • Intersheen 579.
  • Interthane 870.
  • Interthane 990.

There is a wider range of primers and topcoats which may be suitable for use with Interchar 1190; contact International Protective Coatings for further information and assistance.

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