PRIMER STAIN BLOCKER SHELLAC BASE 3.78l ZINSSER ™ is a specialized clear lacquer sealant designed to prevent stains from bleeding through new paint layers. This product acts as a base coat that effectively blocks tannin, water stains, rust, and other discolorations on surfaces before finishing. It is commonly used in automotive refinishing to prepare surfaces for a clean paint application.
This shellac-based stain blocker is presented in a 3.78-litre quantity, suitable for multiple applications where a primer that controls stains is required. Buyers should compare this product with their previous primer sealant in volume and composition to ensure it meets their coverage needs. The shellac base formulation is key for sealing porous or damaged surfaces that might otherwise allow stains to seep through paint.
When selecting a primer stain blocker, ensure compatibility with your subsequent paint system and assess the old part or product used for stain blocking. Using a suitable sealant like this can contribute to a more uniform and durable finish. For technical questions or alternative products, consider consulting the sales desk or submitting a part request.
- Product type: Clear lacquer sealant spray
- Brand: Brits Brothers
- Volume: 3.78 litres
Need help matching this item to your vehicle? Use more Clear Lacquers / Sealant Spray, Vehicle Parts Finder or Request a Part with your VIN, engine number, part number or clear photos.

