Stainless Steel Separator renovated effectively with Proguard CN-OC – durable Protection against 33 % Sodium Chloride Solution
Barcelona: A salt mine near the Catalan capital city uses for crystallization of salt a specific separator of stainless steel double chambers. Even after 2 years of operation the stainless steel substrate showed heavy corrosion damages; induced by the highly aggressive concentration of sodium chloride in the water at a constantly temperature of 45 °C.
A salt mine near the Catalan capital city.(firmenpresse) - After 2 years of service severe pitting corrosion was detected especially at corners and edges of the stainless steel tanks. The 33 % solution of sodium chloride and water in combination with the elevated operation temperature of 45 °C is an excessively high chemical load for long-term use – even for stainless steel substrates.
The high concentration of salt in combination with upper temperatures is highly corrosive. For long-term value preservation of the tanks the premium coating PROGUARD CN-OC is the ideal choice. The excellent chemical stability becomes more effective due to the high adhesive strength on stainless steel, aluminum and galvanized steel – thereby reliable corrosion resistance is achieved.
Details to the application
Project: Coating of stainless steel double chambers for salt mine
Area:1600 m2
Layer thickness:600 µm on walls / 1200 µm on floors
Product:PROGUARD CN-OC
Surface preparation
The preparation of the substrate was conducted in several working steps. Firstly, the surface was cleaned by high-pressure process with demineralized water mixed with a specific salt remover product. During the second step edges of the stainless steel structures were rounded to obtain better adhesion within these areas.
Abrasive blasting with corundum
Accurate blast cleaning (according to SA 2,5) is extremely important for the performance of the coating; thus, best possible adhesion to the substrate is thereby achieved. After the blasting process the surface was cleaned a second time with hot demineralized water mixed with the salt remover.
The cleaned areas which are heavily damaged by corrosion were filled and smoothed with the special composite putty PROGUARD CN 200 THIX. This filler material is applied by rake or brush. It forms the optimum sealing of sensitive zones such as edges, corners and welding seams.
Application of the coating PROGUARC CN-OC
Now the premium coating product could be applied by airless spraying method. The floors of the chambers were protected with a layer of 1200 µm, for the walls a layer thickness of 600 µm was enough for comprehensive corrosion protection. The surface finish of PROGUARD CN-OC is smooth and nonporous – an impermeable film for reliable and long-term corrosion prevention. The PROGUARD CN-OC is also available as convenient cartridge system; a clean and economical coating solution for repairs, small areas and areas which are difficult to reach.
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Unternehmensinformation / Kurzprofil:
The Chesterton International GmbH produces high-quality, solvent-free protective coatings for different kinds of industries. Due to the integration of microscopic ceramic and other special particles, coating systems with outstanding physical properties such as excellent chemical resistances, high temperature stabilities and extreme abrasion resistances are generated.
The Chesterton International coatings are applied directly on the blasted substrate (e.g. steel, stainless steel, concrete) without the previous use of a primer. In this way extreme adhesion is achieved. The scopes of the Chesterton coatings are for instance all kinds of storage tanks, pipelines or process vessels for the oil & gas industry as well as different maritime constructions, waste water or drinking water applications.
Chesterton International GmbH
Stephanie Wuensch
Daimlerring 9
DE-32289 Roedinghausen/Germany
Tel.: +49 (0)5223-96276-23
Email: stephanie.wuensch(at)chesterton.com
Web: www.ceramic-polymer.de
Chesterton International GmbH
Stephanie Wuensch
Daimlerring 9
DE-32289 Roedinghausen/Germany
Tel.: +49 (0)5223-96276-23
Email: stephanie.wuensch(at)chesterton.com
Web: www.ceramic-polymer.de
Datum: 02.03.2020 - 13:26 Uhr
Sprache: Deutsch
News-ID 608279
Anzahl Zeichen: 2955
contact information:
Contact person: Stephanie Wuensch
Town:
32289 Roedinghausen
Phone: +49 (0)5223-96276-23
Kategorie:
Chemical industry
Typ of Press Release: Product
type of sending: don't
Date of sending: 02.03.2020
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"Stainless Steel Separator renovated effectively with Proguard CN-OC – durable Protection against 33 % Sodium Chloride Solution"
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