The #309 has a special adhesive formula which gives this tape characteristics of both rubber and acrylic adhesives. The tape bonds quickly but won't damage surfaces to which it's applied. The #309 is the professional contractors choice.
MEDIUM QUICK STICK
Non-aggressive adhesive Adheres well to any type of surface Medium quick stick and low adhesion Can be used on delicate surfaces Very good resistance to UV rays Can be left on surfaces for up to 4 days if not exposed