650 WB Liquid Adhesive is a water-based, rubber-based, low-tack adhesive which is specifically formulated to provide excellent adhesion. It has a VOC content of 5 g/L. 650 WB Liquid Adhesive will be pink color in appearance. It is designed to be used in ambient temperatures and surface temperatures of 40°F (5°C) and rising. It is an integral part of Polyguard Systems which is used on dry surfaces to condition them to be dust free, so the substrate is suitable for the application of Polyguard Waterproofing Membranes.