... resistance of UV&solar radiation&aging, passed SGS,EN,FM,Fll,Leed,ISO testing Hannor PVC Waterproof MembraneIt is German formula, and modified, with ... waterproof material in domestic market. With big honor, we are one of the chief editor of PVC national standard. We also ... or transverse.3. Modified, excellent in anti UV & solar radiation & aging etc. 4. With automatic quench.5. Smooth surface, easy to ...