(a coating or sealant) swelling up when heated, thus protecting the material underneath or sealing a gap in the event of a fire.

Welcome to Intumescent Chemicals. We are a company based on the Nottinghamshire/Derbyshire border that specialises in fire testing and the research and development of intumescent liquid flame retardants (LFRs).

Intu Chemicals are leading manufacturers of intumescent product ranges. We offer within the passive fire industry a large range of fire-resistant adhesives, composites, polyurethane, mastics, sealants, foam injection as well as compounds for sealing and preventing the spread of smoke and fire.

Our range of fire-resistant products can be used in many application types, within a large array of sectors, including Aerospace, Marine, Automotive, Building Construction, Oil and Gas. All products have been in-house tested to industry standards. The products are an easy to apply application for within horizontal & vertical sections and makes an excellent adhesion to common building substrates as well as offering the required fire resistance.