Self-Vulcanizing Tapes The vulcanization process begins immediately after assembly and is completed after about 48 hours. O-rings and gaskets can also be manufactured in a quick and easy way. Technical information: Water resistant and protects against corrosion. Long storage durability. Non-sticky. Length 5m. width 19mm. thickness 0.5mm. Withstands both heat and cold. ( -40 to +90°C). Color: black