Where have intumescents traditionally been used?
In spite of their shortcomings, intumescents have played a valuable role in high fire risk situations such as oil refineries, offshore oilrigs, tankers, and large chemical manufacturing facilities. Due to their shortcomings, most previous intumescents had to be applied with a trowel or specialty sprayer requiring a highly-trained operator. In addition, they had to be applied in a thick layer (150 to 200 mils) to achieve acceptable protection. Today, with dramatic improvements in the state of the art, intumescents are in high demand for virtually any substrate in any design.
