Neoprene AD Chloroprene homopolymer designed for use in high strength solution adhesives requiring rapid rates of strength development. More color-stable than Neoprene AC during storage. Typical Polymer Properties* Physical Form Chips Color White to light yellow; discolors in light Specific Gravity at 25/4°C, ASTM D7920-66 (1979) 1.23 Solution viscosity, MPa (Brookfield viscometer, Model LVT with UL adaptor, speed 6 rpm or 3 rpm depending on viscosity; 5% by weight raw polymer in toluene; measured at 25°C) Neoprene AD-5 11 – 18 Neoprene AD-10 25 – 34 Neoprene AD-20 35 – 53 Neoprene AD-30 54 – 75 Neoprene AD-40 76 - 115