Single-component hybrid sealants that are based on advanced MS Polymer technology. Their weathering characteristic is superior and will not crack within a short period of time like Polyurethane sealants. The products are low-VOC, free of solvent and isocyanate, and hence guarantee no shrinkage and bubbling. They are also free of silicone oil, minimizing building aesthetic issues like oil-staining and dirt-streaking problems that are commonly caused by silicone sealants. The adhesion on various substrates is excellent even without primer, yet the sealant surface is paintable with most types of common industrial paints.