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Durability of Acrylic Intumescent Coatings in Corrosive Environments

About this event

Modern construction utilizes steel as a construction material as it is versatile, easy to fabricate, economical and more importantly aids in rapid construction saving time and money in projects. The major drawback is the poor structural stability of steel structures at the time of fire. Strength of steel rapidly diminishes as the temperature increases, making steel structures unsafe in a fire accident. The use of intumescent coatings to protect steel structures from fire is now extensive. It is specified and used in most of steel constructions from large infrastructure projects like airports & stadiums to small warehouses.

Intumescent coatings, when applied correctly, will provide structural stability to steel structures up to 4 hours when subject to fire. The coatings are part of the Passive Fire Protection system that provides time for people to escape and for the active fire protection system to work. Apart from fire protection, intumescent coating systems should also address issues related to corrosion protection and long term durability of steel structures exposed to C3 or C4 external exposure conditions (as per ISO 12944). It is a primary requirement that intumescent coatings provide long term corrosion protection and durability along with fire protection properties.

This webinar will provide more details on:

  • The durability and corrosion resistance of acrylic solvent based and water based intumescent coatings in various environmental categories ranging from C1 to C4 as per ISO 12944.
  • How to critically evaluate the intumescent coating’s performance and the implications of testing as per the European Technical assessment (EAD 350402-00-1106) or ISO 16623.
  • Understand the short term & long term risks of not specifying correct intumescent coating system including primer and top coat.

The webinar will be presented by Manoj Abraham, Hempel's Regional Manager – Intumescent Coatings, and will offer attendees the opportunity to provide questions and feedback via a Q&A session.


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