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Copied from a post on a refinishing forum: In furniture refinishing, selecting the right type of stripper depends on the type of finish you’re working with, as different formulas are more effective on specific coatings. 1. Solvent-Based Strippers: These are usually effective for removing clear topcoats, such as lacquers, varnishes, and shellacs. They work by breaking down the resin in these finishes, which can then be wiped or scraped off. Look for strippers containing methylene chloride or NMP (N-Methyl-2-pyrrolidone) as they’re generally fast-acting but can be harsh, requiring good ventilation and protective gear. 2. Caustic-Based Strippers: These strippers are often used on more stubborn paints and enamels, as they break down both oil- and latex-based paints well. However, they’re not ideal for furniture with fine details, as the caustic elements can raise wood grain. They’re also less suitable for epoxy finishes, which can be too tough for caustics alone. 3. Biochemical or Citrus-Based Strippers: These are milder and more environmentally friendly, suitable for removing lighter topcoats or single layers of paint but less effective on thicker, more durable coatings like epoxies. They’re ideal for detailed work and delicate surfaces, though they can be slower-acting. 4. Specialty Epoxy Strippers: For epoxy and similar high-durability coatings, a specialized epoxy remover is often needed. These are specifically formulated to break down epoxy resins, which can resist typical paint strippers. When choosing a stripper, always match it to the coating type, test in a small area, and allow for sufficient dwell time. This approach minimizes the risk of damage and saves time by using the right formula for the job. Here are some recommended products within each category to help you handle a variety of finishes and coatings effectively: 1. Solvent-Based Strippers: Klean-Strip Premium Stripper: This powerful, fast-acting stripper with methylene chloride works well on tough topcoats like varnish, lacquer, and shellac. It’s effective for quick, deep penetration, but it’s essential to use proper ventilation. Jasco Premium Paint and Epoxy Remover: Another strong option containing methylene chloride, which works well on multiple layers of varnish, shellac, and polyurethane finishes. This is good for heavy-duty jobs but should be used cautiously due to its potency. 2. Caustic-Based Strippers: Smart Strip Advanced Paint Remover: A strong, caustic, water-based formula that works well on multiple layers of paint. It’s designed for removing heavy paints and enamels, both oil- and latex-based, though not ideal for epoxy or high-resin coatings. Peel Away® 1 Heavy-Duty Paint Remover: This caustic remover is designed for historical restoration projects where multiple layers of paint need to be removed. It’s excellent on oil-based and latex paints but less suitable for clear topcoats. 3. Biochemical or Citrus-Based Strippers: Citristrip Paint and Varnish Stripping Gel: A popular citrus-based stripper that’s low-odor and safer to use indoors. It’s ideal for lighter finishes, clear coats, and some paint but can struggle with thicker coatings. Best for gentle, detailed work on wood and metal surfaces. EcoFast Gel Paint Remover: A biodegradable, user-friendly option that’s great for removing topcoats, latex paints, and some oil-based finishes. It’s slower-acting but safe for delicate or intricate woodwork. 4. Specialty Epoxy Strippers: TotalBoat TotalStrip Paint and Epoxy Remover: Specifically formulated for tougher coatings like epoxies, this stripper works on resin-based finishes, anti-fouling paints, and other heavy-duty coatings. It’s ideal for marine or industrial finishes that resist standard removers. Aqua-Strip Marine Paint Remover: Another option tailored for removing epoxy, urethane, and other resilient coatings. This water-based, low-VOC remover is designed to be safe on multiple surfaces, including fiberglass and metal. These products cover a range of needs, from stripping delicate finishes to tackling tough epoxy and multi-layer paints. Always test in a small area to confirm effectiveness on the specific coating and substrate, and follow safety guidelines for each product.
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