Black Silicone Rubber Caulk Adhesive Spray Sealant. Use to seal rails, corners, seams, and fasteners in battery containment systems. Use spray adhesive with PVC liner to retrofit liner or to repair tears, abrasion, etc. 12 oz. (340 grams) aerosol can. Conforms to ASTM spec C920, class 25 Grade NS. Minimal shrinkage, 50-year life.