1. Waterproof, Pain table. 2. Flexible 3. Excellent Adhesion to most construction materials. 4.SGS,MSDS certificate PRODUCT DESCRIPTION: SL-304 Acrylic sealant for windows and doors is a one part,water based acrylic sealant that cures to a flexible and tough rubber with good adhesion to porous surface without primer.Suitable for sealing and filling gaps or joints where low demands of elongation ...