... Easily used and extruded anytime. 2) Acidic cold-curing 3) Excellent weatherproofing 4) Environment friendly SY-125 Silicone sealant special for ... itemIndexTest methodTest at 50±5% RH and temperature 23±2°C AppearanceHave no grain, no agglomerations,1Droop Degree(mm ... )Vertical,(mm)< 2 GB/T13477.5-2003HorizontalNo deformationTack-Free Time ,min15GB/T13477 ...