... 2 Corrosion test with visuals of testing coupons Insulation Type Average MLCR µm/year (Mils/year) Visual of coupons Before and after cleaning Mineral Wool without inhibitors 358.18 (14.10) Before cleaning Top view After cleaning top view After cleaning bottom view Mineral...

... Insulation and Fireproofing Materials – A Systematic Approach, these tests are performed to determine what effect increased chlorides might have in insulation with and without corrosion inhibitors. ⁴ The testing compared mineral wool with corrosion inhibitors to other insulation types...

..., and/or initial aging. Early coating degradation is most often caused by application errors or mechanical damages in the coating system, and these are also locations where premature and unexpected CUI is more likely to occur. ² Abstract Mineral wool has been widely used for several decades...

... on the bare (uncoated) outside diameter (OD) surface of the steel, and all were associated with wet mineral wool insulation. Common features include an operating temperature between 70°C and 160°C, intergranular cracking morphology, and exposure to wet mineral wool insulation with vintage post-2003. Recently...