... ultraviolet ray, ozone, rain, hailstone and temperature extremes(-50~100°C).Excellent adhesion to most building materials, without a need for ... itemIndexTest methodTest at 50±5% RH and temperature 23±2°C AppearanceHave no grain, no agglomerations,1Droop Degree(mm)Vertical,(mm ... /T 14683-2003 25LM;ISO11600F&G class 25LM; ASTMC 920NS model 25 grade; BS5889 A&B model; DIN 18545 NF grade.COLOR & ...