Tested to AS1530.4 and Non combustible to AS1530.1 PROMATECT® 250 provides Steel Protection up to FRR 120/-/- Resistant to the effects of moisture and will not physically deteriorate when used in damp or humid conditions. Performance characteristics are not degraded by age or moisture. However, PROMATECT® 250 is not designed for use in areas subject to continual damp or high temperatures. PROMATECT® 250 is for internal applications only.