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  • Indestructible Paint Experience Underpins Intumescent Coatings Performance in The Rail Industry

    Intumescent Coating

    Indestructible Paint has a world renowned reputation for quality performance coatings. Much of which we develop within the challenging aerospace sector. However, we are now also applying to the needs of the rail industry through our new rail department. We now create a range of coatings to meet the specific needs of rail operators, such as our Intumescent Coating.

    Our RW Series of coatings is particularly suitable for this sector with RWIP3000 one of the most recently introduced.  Directly applicable to both new build and refurbishment rail procedures, it can offset particular risks. The material is a thin film intumescent coating that forms a barrier to protect the substrate when heated. Therefore, preventing it from burning for a specific number of minutes dependant on thickness.  Significantly, when used in conjunction with a heat absorbing primer, RWIP3000 is further suitable for hot areas typically found under a train.  For example, around an exhaust area, this will protect cables in the unlikely case of a fire.

    Because RWIP3000 performs with a range of substrates, including metals, timber and composites, it is seen as widely relevant to rail design – from vehicle components to civil installations.  Suitable for both air-and forced-drying, the coating maintains excellent adhesion. Including, importantly for the rail sector, where high air movement is present.

    RWIP3000 is normally applied as a primer/sealer intumescent coating which can then be overcoated with a two-component epoxy or polyurethane topcoat – it can be applied either by spray or brush.

    Panel a – coated with RWIP3000 before test. Panel b – identical aluminium panel after 2 minutes flame exposure.
    Panel a – showing depth of “char” created after 5 minutes flame exposure

    Intumescent Coating Demonstration

    As a clear demonstration of the performance capability of RWIP3000,  we have conducted a specific testing operation centred on exposure to an 1100C flame. With the flame positioned 10cm from a 4mm anodised aluminium substrate, the panel condition remained satisfactory. In fact, internal pressure maintained, even after a five-minute exposure period. By comparison, over the same period a non-coated panel had distorted and deteriorated before splitting, exploding and completely melting.  Similarly, RWIP3000 coating has been shown to maintain heat resistance when exposed to 180°C heat source for more than 100 hours.

    We believe these test results clearly demonstrate the suitability of RWIP3000 to the rail industry.

    Indestructible Paint have taken the decision to focus heavily on the needs of the rail sector. Especially as the challenges presented by our operating environment align closely to our experience. Additionally, we commit to continuous research and development. Not to mention our close working relationships with customers to develop high performance coating solutions. When allied to our extensive experience in sectors such as aerospace, we are already seeing growing take up of our RW range with RWIP3000 a prime example.

    Find out more about our rail coating solutions, including our intumescent coatings. Call +44(0)121 702 2485 or email sales@indestructible.co.uk to speak to a member of our helpful and friendly team.