Coro DG 27 (2 IN 1) - The Coro DG 27 (2 in 1) you mentioned might be similar to the Baumit Premium Primer DG27, which is commonly used as a high-quality, ready-to-use primer for both internal and external surfaces. This primer improves adhesion, regulates substrate suction, and enhances hydrophobic properties. It’s vapour-permeable, meaning it allows moisture to escape while maintaining surface integrity. - Baumit DG27 is solvent-free and acrylic-based, which makes it safe and versatile for different applications, especially in preparing surfaces for subsequent coatings. It is usually available in 20 kg containers and can be applied using a roller or brush​(Unity Lime). If this product matches what you were looking for, it seems to be a reliable choice for enhancing surface preparation. #Coro DG 27 (2 IN 1) CHEMICAL MANUFACTURER.