{"product_id":"mordant-t-wash","title":"Mordant T Wash","description":"\u003cp dir=\"auto\"\u003e\u003cstrong\u003eMordant T Wash – Premium Pre-Treatment for Galvanised Steel\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eEnsure flawless, long-lasting paint adhesion on new or weathered \u003cstrong\u003egalvanised iron and steel\u003c\/strong\u003e surfaces with our professional-grade \u003cstrong\u003eMordant T Wash\u003c\/strong\u003e (also known as T Wash). This time-tested etching solution, formulated to comply with the original \u003cstrong\u003eBritish Rail “T Wash”\u003c\/strong\u003e specification as described in \u003cstrong\u003eBS5493:1977 Table 4N\u003c\/strong\u003e, effectively prepares galvanised metal for subsequent coatings by chemically etching the zinc surface.\u003c\/p\u003e\n\u003ch3 dir=\"auto\"\u003eKey Benefits\u003c\/h3\u003e\n\u003cul dir=\"auto\"\u003e\n\u003cli\u003eDramatically improves adhesion of primers and topcoats\u003c\/li\u003e\n\u003cli\u003eVisible colour change (surface quickly darkens to black) confirms complete and effective treatment\u003c\/li\u003e\n\u003cli\u003eSuitable for both new\/hot-dipped and weathered galvanised surfaces\u003c\/li\u003e\n\u003cli\u003eAcid-based formula in water-miscible organic solvents for reliable performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 dir=\"auto\"\u003eEasy Application\u003c\/h3\u003e\n\u003col dir=\"auto\"\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrepare the surface\u003c\/strong\u003e: Remove heavy oxidation by scrubbing with water; degrease oil\/grease with appropriate thinners.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApply evenly\u003c\/strong\u003e by brush — highly polished surfaces may require light abrasion.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWatch the reaction\u003c\/strong\u003e: The zinc surface darkens to black within minutes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRinse\u003c\/strong\u003e thoroughly with fresh water to remove residues.\u003c\/li\u003e\n\u003cli\u003eRe-apply to any areas that fail to blacken after re-preparation. No blackening indicates the surface is unsuitable for coating.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp dir=\"auto\"\u003e\u003cstrong\u003eImportant\u003c\/strong\u003e: Overcoat the treated (and dried) surface with a suitable metal primer within \u003cstrong\u003e48 hours\u003c\/strong\u003e to prevent re-contamination.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003eIdeal for industrial, rail, structural, and metal fabrication projects where reliable paint performance is essential. Professional use only — wear appropriate PPE (gloves, goggles) during application.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003e \u003c\/p\u003e","brand":"Serenity Chemicals","offers":[{"title":"2.5 Litre","offer_id":56585925984629,"sku":"PB1112L","price":32.99,"currency_code":"GBP","in_stock":true},{"title":"5 Litre","offer_id":56585926017397,"sku":"PB1115L","price":49.99,"currency_code":"GBP","in_stock":true},{"title":"25 Litre","offer_id":56585926050165,"sku":"PB11125L","price":149.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1316\/9455\/files\/PB1115L.jpg?v=1771624385","url":"https:\/\/serenityhygiene.co.uk\/products\/mordant-t-wash","provider":"Serenity Chemicals","version":"1.0","type":"link"}