... elasticity and elongation;self-coalescence self-adhesive bitument waterproof membrane(1m*20m)1, self-adhesion without bonding agent,torching;2, ... , good self-coalescence5, safe application, no pollution6, excellent waterproof and high strength7, corrosion resistance and ageing resistance8, available ... person: janey limobile: 15863291614TM: cn209766141 self-adhesive bitument waterproof membrane(1.5mm)