Panthera Paint & Fix Aquarium Silicone is one-component acid-curing silicone sealant with excellent mechanical properties and primerless adhesion to most non-porous siliceous material. High curing rate for construction of aquariums and industrial applications. Cures at room temperature under the action of atmospheric moisture to give a permanently flexible silicone rubber. Non-sag. Special high-viscosity paste. Easy gunnability. Quickly becomes tack-free. Low shrinkage during vulcanization. Good tooling properties. Flexible at low (-40°C) and high temperatures. (+180°C)