{"product_id":"oxalic-acid-crystals-powder-99-6","title":"Oxalic acid crystals\/powder 99.6% - BUSINESS \u0026 PROFESSIONAL USERS ONLY","description":"\u003cp\u003e\u003cstrong\u003ePLEASE READ - TERMS OF PURCHASE - NEW REGULATIONS\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eOxalic acid crystals are classified as a regulated poison and are not available for general public purchase. Only businesses or professional users can buy oxalic acid crystals. Please confirm your professional status at checkout before proceeding.\u003c\/p\u003e\n\u003cp\u003eFOR BUSINESS CUSTOMERS WHO SUPPLY OXALIC ACID: You must follow the new guidance on supplying oxalic crystals. Please\u003cspan\u003e visit \u003ca href=\"https:\/\/www.gov.uk\/government\/publications\/supplying-explosives-precursors\/supplying-explosives-precursors-and-poison#fulllist\"\u003eHERE\u003c\/a\u003e \u003c\/span\u003efor guidance information.\u003c\/p\u003e\n\u003cp\u003eFOR PERSONAL CUSTOMERS: If you are not a business or professional user, choose our pre-diluted oxalic acid wood bleach solution. This alternative does not require compliance with regulated poison legislation.\u003c\/p\u003e\n\u003ch4\u003e\u003cspan\u003eBy accepting our terms \u0026amp; conditions at checkout, you agree that you are purchasing Oxalic acid as a business or professional user, and accept our legal obligation to refuse and report the purchase if we deem it suspicious. We are unable to accept orders without acceptance of our terms and conditions.\u003c\/span\u003e\u003c\/h4\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eDihydrate\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eFlexible size options: Available in 1kg, 5kg, 10kg, and 25kg packs for various project scales.\u003c\/li\u003e\n\u003cli\u003eVersatile for wood: Oxalic acid for wood is effective on oak, walnut, mahogany, and teak.\u003c\/li\u003e\n\u003cli\u003eHigh purity \u0026amp; efficiency: Over 99%\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e(99.6%) \u003c\/strong\u003epurity ensures reliable results as an oxalic acid cleaner.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cb\u003eEasy preparation:\u003cspan\u003e \u003c\/span\u003e\u003c\/b\u003eMix oxalic acid crystals with water or methylated spirits to create an effective wood bleach oxalic acid solution for restoring surface appearance.\u003c\/p\u003e\n\u003cdiv class=\"ty-tygh  \" id=\"tygh_container\"\u003e\n\u003cdiv class=\"ty-helper-container touch\" id=\"tygh_main_container\"\u003e\n\u003cdiv class=\"tygh-content clearfix\"\u003e\n\u003cdiv class=\"container-fluid  content-grid\"\u003e\n\u003cdiv class=\"container-fluid-row\"\u003e\n\u003cdiv class=\"row-fluid \"\u003e\n\u003cdiv class=\"span16 main-content-grid ut2-bottom\"\u003e\n\u003cdiv id=\"product_detail_page\"\u003e\n\u003cdiv class=\"ut2-pb ut2-pb-mobile ty-product-block\"\u003e\n\u003cdiv class=\"ty-accordion cm-accordion ui-accordion ui-widget ui-helper-reset\" id=\"accordion_id_0\" role=\"tablist\"\u003e\n\u003cdiv id=\"content_description\" class=\"ty-wysiwyg-content content-description ui-accordion-content ui-corner-bottom ui-helper-reset ui-widget-content ui-accordion-content-active\" data-ab-smc-tab-hide=\"N|N|N\" data-ab-smc-more=\"More\" data-ab-smc-less=\"Less\" data-ab-smc-height=\"250\" data-ab-smc-tab-override-h=\"N\" aria-labelledby=\"description\" role=\"tabpanel\" aria-hidden=\"false\"\u003e\n\u003cdiv\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eOxalic acid is a premium solution for restoring and maintaining wood’s natural beauty. As an oxalic acid wood bleach solution, it lifts watermarks, rust stains, and discolouration without damaging the wood grain. Often chosen over other bleaching methods, this oxalic acid cleaner can freshen wood surfaces, making it a staple for professional wood restoration projects. If you’ve wondered how to use oxalic acid effectively, read on for guidance on mixing, application, and neutralisation steps.\u003c\/p\u003e\n\u003ch2\u003ePreparation\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMixing ratios: Dissolve about 60 grams of oxalic acid crystals per litre of warm water for a saturated solution. Some undissolved crystals at the bottom indicate maximum strength.\u003c\/li\u003e\n\u003cli\u003eAlternative solvent: Substitute water with methylated spirits for quicker drying and recoating.\u003c\/li\u003e\n\u003cli\u003eSafety measures: Wear gloves and eye protection, and ensure proper ventilation when preparing your oxalic acid for wood solution.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eApplication\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eInitial application: Evenly apply the prepared oxalic acid mixture with a brush, cloth, or sponge across the entire surface to avoid uneven bleaching.\u003c\/li\u003e\n\u003cli\u003eProcessing time: Visible results often appear within 20-30 minutes, and the bleaching action continues for 1-2 hours.\u003c\/li\u003e\n\u003cli\u003eMultiple treatments: Reapply as needed until the desired level of bleaching is achieved.\u003c\/li\u003e\n\u003cli\u003eNeutralisation: Stop bleaching by rinsing the wood with water or methylated spirits. Rinse thoroughly after using spirits.\u003c\/li\u003e\n\u003cli\u003eFinal steps: Let the wood dry before sanding the raised grain. Proper sanding ensures even staining or finishing after using this oxalic acid wood bleach solution.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eAfter Care\u003c\/h2\u003e\n\u003cp\u003eKeep the wood dry, periodically clean it with a mild, pH-neutral cleaner, and reapply finishes as necessary to preserve the wood’s natural beauty over time. Using oxalic acid for wood periodically can help maintain consistent colouration and prevent future stains.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWho can buy Oxalic Acid?\u003c\/h3\u003e\n\u003cp\u003eOxalic Acid crystals are now classified as a regulated poison, therefore, oxalic crystals are no longer available for sale to the general public.\u003c\/p\u003e\n\u003cp\u003eIf you are a business or a professional user, you can still purchase Oxalic Acid crystals providing that you confirm you are a business or professional user.\u003c\/p\u003e\n\u003ch3\u003eWhat types of stains can Oxalic Acid remove?\u003c\/h3\u003e\n\u003cp\u003eOxalic Acid is highly effective at removing iron and rust stains, tannin stains, and watermarks from wood surfaces. It can also be used to clean and restore stone, concrete, and metal surfaces.\u003c\/p\u003e\n\u003ch3\u003eIs Oxalic Acid safe to use on all types of wood?\u003c\/h3\u003e\n\u003cp\u003eOxalic Acid is generally safe for use on most hardwoods, including oak, mahogany, and teak. However, it is always recommended to test the solution on a small, inconspicuous area first to ensure it doesn’t affect the wood’s colour or texture.\u003c\/p\u003e\n\u003ch3\u003eCan Oxalic Acid be used on exterior wood?\u003c\/h3\u003e\n\u003cp\u003eYes, Oxalic Acid is effective on both interior and exterior wood surfaces. It’s commonly used for restoring outdoor furniture, decks, and other wood exposed to the elements.\u003c\/p\u003e\n\u003ch3\u003eHow should I store Oxalic Acid crystals?\u003c\/h3\u003e\n\u003cp\u003eStore Oxalic Acid crystals in cool, dry place, away from direct sunlight and out of reach of children and pets. Make sure the container is tightly sealed to prevent moisture absorption.\u003c\/p\u003e\n\u003ch3\u003eWhat precautions should I take when using Oxalic Acid?\u003c\/h3\u003e\n\u003cp\u003eAlways wear protective gloves, eyewear, and clothing when handling Oxalic Acid. Ensure the work area is well-ventilated. Avoid contact with skin and eyes, and do not inhale the fumes. If accidental contact occurs, rinse immediately with water and seek medical attention if necessary.\u003c\/p\u003e\n\u003ch3\u003eCan Oxalic Acid be used in combination with other cleaning products?\u003c\/h3\u003e\n\u003cp\u003eOxalic Acid should not be mixed with other cleaning products, especially those containing bleach or ammonia, as this can produce toxic fumes. Always use Oxalic Acid on its own and rinse thoroughly before using any other cleaning agents.\u003c\/p\u003e\n\u003ch3\u003eIs Oxalic Acid environmentally friendly?\u003c\/h3\u003e\n\u003cp\u003eWhile Oxalic Acid is biodegradable, it is still a potent chemical and should be used with care. After use, ensure that the solution is neutralised and disposed of properly, following local regulations.\u003c\/p\u003e\n\u003ch3\u003eHow does Oxalic Acid compare to other wood bleaches?\u003c\/h3\u003e\n\u003cp\u003eOxalic Acid is often preferred over other wood bleaches like chlorine or hydrogen peroxide because it is gentler on the wood and doesn’t alter the wood grain. It specifically targets iron-based stains, making it highly effective for certain types of discolouration.\u003c\/p\u003e\n\u003ch3\u003eCan Oxalic Acid wood bleach remove mould or mildew from wood?\u003c\/h3\u003e\n\u003cp\u003eOxalic Acid can help lighten the stains left by mould, but it is not a fungicide. For mould removal, it is recommended to use a dedicated mould remover first, then use Oxalic Acid to treat any remaining discolouration.\u003c\/p\u003e\n\u003ch3\u003eHow long does Oxalic Acid solution last once mixed?\u003c\/h3\u003e\n\u003cp\u003eThe oxalic acid solution is most effective when used immediately after mixing. However, it can be stored in a sealed container for a few days, but its potency may decrease over time.\u003c\/p\u003e\n\u003ch3\u003eHow long does it take for Oxalic Acid to work on wood?\u003c\/h3\u003e\n\u003cp\u003eOxalic acid typically shows noticeable changes on wood within 20-30 minutes of application. The bleaching action continues for about 1-2 hours. Depending on the severity of the stains, multiple applications may be required.\u003c\/p\u003e\n\u003ch3\u003eIs Oxalic Acid the same as vinegar?\u003c\/h3\u003e\n\u003cp\u003eNo, while they are both acids, oxalic acid is much stronger than vinegar so it will be more effective at reviving and cleaning wood than at home remedies.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch3 id=\"attachments\" class=\"ui-accordion-header ui-corner-top ui-accordion-header-collapsed ui-corner-all ui-state-default ui-accordion-icons\" role=\"tab\" aria-controls=\"content_attachments\" aria-selected=\"false\" aria-expanded=\"false\" tabindex=\"-1\"\u003e\u003cspan class=\"ui-accordion-header-icon ui-icon ui-icon-triangle-1-e\"\u003e\u003c\/span\u003e\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"container-fluid-row container-fluid-row-full-width  b-top\"\u003e\n\u003cdiv class=\"row-fluid 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class=\"ut2-gl__price\tpr-row-mix\"\u003e\n\u003cdiv\u003e\u003cspan class=\"cm-reload-3370004867\" id=\"old_price_update_3370004867\"\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/form\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"ty-column5\"\u003e\n\u003cdiv class=\"ut2-gl__item \"\u003e\n\u003cform method=\"post\" name=\"product_form_3370001703\" enctype=\"multipart\/form-data\" class=\"cm-disable-empty-files cm-ajax cm-ajax-full-render cm-ajax-status-middle cm-processed-form\" action=\"https:\/\/www.agwoodcare.co.uk\/\"\u003e\n\u003cdiv class=\"ut2-gl__body\"\u003e\n\u003cdiv class=\"ut2-gl__content\"\u003e\n\u003cdiv class=\"ut2-gl__price\tpr-row-mix\"\u003e\n\u003cdiv\u003e\u003cspan class=\"cm-reload-3370001703\" 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id=\"old_price_update_3370006210\"\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/form\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Custom Chemical 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