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A High Performance Thermal Insulative Coating For Personnel Protection

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In industrial plants such as oil & gas and chemical plants, the plant piping is covered with insulative materials such as mineral wools and metal cladding for thermal insulation. The piping under insulation is subject to more severe corrosive environment than that exposed to the outdoor, due to rainwater entering through the cladding joints and condensation caused by temperature fluctuation. In addition, since the piping is covered with the insulation materials, it is impossible to identify the corrosion from the outside, increasing the risk of leakage accidents due to delays in corrosion mitigations.

Product Number: 51323-18941-SG
Author: Naoki Maruyama
Publication Date: 2023
$0.00
$20.00
$20.00

Corrosion under insulation (CUI) of piping has been a problem for many years in oil and gas plants. Protective coatings have been considered the main countermeasure against CUI but CUI measures should also include thermal insulation materials. In recent years, insulative coating has been proposed as an approach for CUI mitigation. Insulating coating is expected as a material suitable for CUI prevention because it can suppress the formation of water layer by firmly adhering to the piping surface. However, conventional insulative coatings are difficult to achieve thermal insulation in one layer and require multiple coatings to reach a level where it can prevent burns and have yet to replace conventional insulative materials and mesh guards. This paper will detail the newly developed insulative coating that forms a thick film coating which results in superior thermal insulation. This insulative coating has a low thermal conductivity of 0.03 W/m K and can form a thick film of 2 mm per application, so the excellent thermal insulation performance can be utilized for personnel protection.

Corrosion under insulation (CUI) of piping has been a problem for many years in oil and gas plants. Protective coatings have been considered the main countermeasure against CUI but CUI measures should also include thermal insulation materials. In recent years, insulative coating has been proposed as an approach for CUI mitigation. Insulating coating is expected as a material suitable for CUI prevention because it can suppress the formation of water layer by firmly adhering to the piping surface. However, conventional insulative coatings are difficult to achieve thermal insulation in one layer and require multiple coatings to reach a level where it can prevent burns and have yet to replace conventional insulative materials and mesh guards. This paper will detail the newly developed insulative coating that forms a thick film coating which results in superior thermal insulation. This insulative coating has a low thermal conductivity of 0.03 W/m K and can form a thick film of 2 mm per application, so the excellent thermal insulation performance can be utilized for personnel protection.

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(Insulation & Corrosion) Field Application of Third Generation Polysiloxane Coating Systems

Product Number: 18-COAT_DEC21
Author: Peter Bock / James Reynolds
Publication Date: 2021
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Third Generation Polysiloxane (TGPS) ambient curing CUI mitigation coatings have been used in the petrochemical industry for over five years since the “third generation” concept was introduced at NACE Corrosion 2017. These coating technologies have demonstrated positive results in both shop and field application for asset management in elevated temperature, cryogenic and cyclic applications across -196 to 650o C/ -321 to 1200o F operational temperatures. TGPS coatings have also demonstrated effective use of a two-step (primer-insulation) CUI mitigation coating approach operating up to 400o C/750o F, when compared to the traditional (CUI coating-fibrous insulation-cladding) systems.
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