AQUENCE AV 452A known as DORUS PL 452A. Water-based pressure sensitive liquid adhesive suitable for bonding fibrous glass, jute and other types of lightweight insulation.AQUENCE AV 452A (DORUS PL-452A) is a white, outstanding, water-based, pressure sensitive liquid adhesive suitable for bonding fibrous glass, jute and other types of lightweight insulation to ductwork and to housings for air conditioning units and furnaces. It also offers high mileage and good sprayability at a competitive cost.