{"id":371,"date":"2026-07-16T10:03:49","date_gmt":"2026-07-16T10:03:49","guid":{"rendered":"https:\/\/sudhaind.com\/blog\/?p=371"},"modified":"2026-08-01T10:18:42","modified_gmt":"2026-08-01T10:18:42","slug":"ecl-cleaners-for-cold-rolled-coils-clean-strip-before-annealing","status":"publish","type":"post","link":"https:\/\/sudhaind.com\/blog\/ecl-cleaners-for-cold-rolled-coils-clean-strip-before-annealing\/","title":{"rendered":"ECL Cleaners for Cold Rolled Coils: Clean Strip Before Annealing"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"371\" class=\"elementor elementor-371\">\n\t\t\t\t<div class=\"elementor-element elementor-element-822df69 e-con-full e-flex e-con e-parent\" data-id=\"822df69\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t\t\t\t<h2 \n\t\tdata-interaction-id=\"42df014\" \n\t\tclass=\"e-42df014-56a57bd e-heading-base\" \n\t\t \n\t\t\n\t>\n\t\n\t\t\t<strong>ECL Cleaners for Cold Rolled Coils: Clean Strip Before Annealing<\/strong>\n\t\t<\/h2>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-83c6867 e-flex e-con-boxed e-con e-parent\" data-id=\"83c6867\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t\t\t\t\t<p class=\"e-paragraph-base\" data-interaction-id=\"a555da2\"  >\n\t\t\t\t\t\t\t\tAn ECL cleaner is a heavy duty alkaline degreasing chemical used on continuous electrolytic cleaning lines. As essential <strong>electrolytic cleaning line chemicals<\/strong>, they are designed to remove rolling oils, iron soaps, and carbonaceous smut from cold rolled steel strips before they enter the batch annealing furnace. Clean strips prevent residual oil from baking into permanent stains.\n\t\t\t\t\t<\/p>\n\t\t\t\t\t\t\t<h2 \n\t\tdata-interaction-id=\"453193c\" \n\t\tclass=\"e-heading-base\" \n\t\t \n\t\t\n\t>\n\t\n\t\t\t<strong>What is SUKLEEN Electro Cleaner?<\/strong>\n\t\t<\/h2>\n\t\t\t\t<div class=\"elementor-element elementor-element-b988694 elementor-widget elementor-widget-text-editor\" data-id=\"b988694\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">SUKLEEN is a silicate based, phosphate enriched liquid electro cleaner manufactured by Sudha Speciality Chemicals. Formulated with sodium and potassium hydroxides, it functions effectively at both high and low current densities. It operates as a high-performance <\/span><b>electrolytic degreasing cleaner for steel<\/b><span style=\"font-weight: 400;\"> for both spray and dip pre-cleaning applications on continuous coil lines.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<h2 \n\t\tdata-interaction-id=\"393c549\" \n\t\tclass=\"e-heading-base\" \n\t\t \n\t\t\n\t>\n\t\n\t\t\t<strong>What Contaminants Does SUKLEEN Remove?<\/strong>\n\t\t<\/h2>\n\t\t\t\t<div class=\"elementor-element elementor-element-358f6ed elementor-widget elementor-widget-text-editor\" data-id=\"358f6ed\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">Cold rolled coils often reach the cleaning line coated in stubbornly adhered mill residues. SUKLEEN is engineered with sequestering, wetting, and dispersing agents to lift the following contaminants in a single alkaline stage:<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><b>\u25cf <\/b>Rolling oils and coolants carried over from the cold mill.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><b>\u25cf <\/b>Black and brown patches on the strip surface.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><b>\u25cf <\/b>Iron soaps and stubborn metallic smuts.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\"><b>\u25cf <\/b>Carbonaceous dirt from cold rolled coils.<\/span><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<h2 \n\t\tdata-interaction-id=\"c1a819f\" \n\t\tclass=\"e-heading-base\" \n\t\t \n\t\t\n\t>\n\t\n\t\t\t<strong>ECL Cleaners- Technical Specifications and Operating Parameters<\/strong>\n\t\t<\/h2>\n\t\t\t\t<div class=\"elementor-element elementor-element-194bbc4 elementor-widget elementor-widget-text-editor\" data-id=\"194bbc4\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">To achieve a perfectly clean strip prior to batch annealing, plant operators must configure their mild steel tanks and heaters to the following operational parameters.<\/span><\/p><table><tbody><tr><td><p><b>Parameter<\/b><\/p><\/td><td><p><b>Precleaning Stage<\/b><\/p><\/td><td><p><b>Electrocleaning Stage<\/b><\/p><\/td><\/tr><tr><td><p><b>Chemical Concentration<\/b><\/p><\/td><td><p><span style=\"font-weight: 400;\">20 to 50 g\/L<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">40 to 80 g\/L<\/span><\/p><\/td><\/tr><tr><td><p><b>Working Temperature<\/b><\/p><\/td><td><p><span style=\"font-weight: 400;\">65 to 75 degrees Celsius<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">70 to 80 degrees Celsius<\/span><\/p><\/td><\/tr><tr><td><p><b>Maximum Oil Load Tolerance<\/b><\/p><\/td><td><p><span style=\"font-weight: 400;\">4.0 g\/L<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">2.5 g\/L<\/span><\/p><\/td><\/tr><tr><td><p><b>Polarity<\/b><\/p><\/td><td><p><span style=\"font-weight: 400;\">Not Applicable<\/span><\/p><\/td><td><p><span style=\"font-weight: 400;\">Anodic, Cathodic, or Bipolar<\/span><\/p><\/td><\/tr><\/tbody><\/table>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<h2 \n\t\tdata-interaction-id=\"74af713\" \n\t\tclass=\"e-heading-base\" \n\t\t \n\t\t\n\t>\n\t\n\t\t\t<strong>How to Make Up and Maintain the Cleaning Bath<\/strong>\n\t\t<\/h2>\n\t\t\t\t<div class=\"elementor-element elementor-element-5dada07 elementor-widget elementor-widget-text-editor\" data-id=\"5dada07\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">For initial bath preparation, operators should add 30 to 80 kg of SUKLEEN liquid per 1000 liters of water. To maximize bath life and maintain line efficiency, follow these maintenance protocols:<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u25cf\u00a0 Foam Control:<\/b><span style=\"font-weight: 400;\"> As the oil load increases, the bath will develop a foaming tendency. Use SUFOAM, a complementary silicone based defoamer, via an automatic dosing system to suppress foam.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u25cf\u00a0 Analytical Control:<\/b><span style=\"font-weight: 400;\"> Test bath concentration at least once or twice per shift using a simple titration method with 1.0(N) sulphuric acid and a phenolphthalein indicator.<\/span><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>\u25cf\u00a0 Discardal Limits:<\/b><span style=\"font-weight: 400;\"> The bath features a high oil load tolerance. However, operators must discard or refresh the solution when oil loads exceed 4.0 g\/L in the precleaning tank or 2.5 g\/L in the electrocleaning tank.<\/span><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<h2 \n\t\tdata-interaction-id=\"8d95545\" \n\t\tclass=\"e-heading-base\" \n\t\t \n\t\t\n\t>\n\t\n\t\t\t<strong>Safe Handling, Packaging, and Effluent Disposal<\/strong>\n\t\t<\/h2>\n\t\t\t\t<div class=\"elementor-element elementor-element-299fab9 elementor-widget elementor-widget-text-editor\" data-id=\"299fab9\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">SUKLEEN acts as a highly effective <\/span><b>electrolytic cleaning solution for metal surface treatment<\/b><span style=\"font-weight: 400;\">, meaning it is strongly alkaline. Waste must be neutralized in an Effluent Treatment Plant (ETP) using pickling waste or mineral acids before the supernatant liquid is discharged according to local regulations. Operators must wear proper personal protective equipment, including aprons, rubber gloves, safety goggles, and boots. This <\/span><b>industrial electrolytic cleaner chemical<\/b><span style=\"font-weight: 400;\"> has a one year shelf life and is safely packaged in 260 kg HDPE barrels or 1250 kg IBC containers.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<h2 \n\t\tdata-interaction-id=\"0cf5b31\" \n\t\tclass=\"e-heading-base\" \n\t\t \n\t\t\n\t>\n\t\n\t\t\t<strong>Why Should You Partner with Sudha Speciality Chemicals<\/strong>\n\t\t<\/h2>\n\t\t\t\t<div class=\"elementor-element elementor-element-648d232 elementor-widget elementor-widget-text-editor\" data-id=\"648d232\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t\t\t\t\t\t<p><span style=\"font-weight: 400;\">A rejected steel coil represents a massive loss in time, energy, and revenue. In continuous electrolytic cleaning operations, choosing the right <\/span><b>alkaline electrolytic cleaner for steel<\/b><span style=\"font-weight: 400;\"> is your only defense against residual oil baking into permanent stains during batch annealing.<\/span><\/p><p><span style=\"font-weight: 400;\">Sudha Speciality Chemicals Private Limited takes the guesswork out of surface preparation. Rather than supplying isolated products, our Kolkata based technical experts deliver a precisely matched ecosystem of high tolerance cleaners and specialized defoamers. We help steel mills entirely eliminate surface defects, drastically lower chemical consumption, and keep production lines running at peak profitability.<\/span><\/p><p><span style=\"font-weight: 400;\">Stop compromising on your strip cleanliness and protect your final product quality. Connect with our industrial process experts today to upgrade your continuous cleaning line:<\/span><\/p><ul><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Visit:<\/b><a href=\"https:\/\/www.google.com\/search?q=https%3A%2F%2Fwww.sudhaind.com\"> <span style=\"font-weight: 400;\">www.sudhaind.com<\/span><\/a><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Email:<\/b><a href=\"mailto:info@sudhaind.com\"><span style=\"font-weight: 400;\"> info@sudhaind.com<\/span><\/a><\/li><li style=\"font-weight: 400;\" aria-level=\"1\"><b>Call:<\/b><a href=\"tel:+919874050345\"><span style=\"font-weight: 400;\"> +91 9874050345<\/span><\/a><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>ECL Cleaners for Cold Rolled Coils: Clean Strip Before Annealing An ECL cleaner is a heavy duty alkaline degreasing chemical [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":372,"comment_status":"open","ping_status":"open","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"full-width-container","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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