The Samco Stretch & Seal Tape is a multi purpose self-amalgamating repair tape ideal for sealing split coolant hoses.Self-amalgamating - no glue or adhesiveTemperatures from -50°C to over 200°CPermanent waterproof and airtight sealNo mess or sticky residuesLong shelf life - keep it in your tool boxCan wrap complex formsHundreds of uses, including: emergency repairs such as hose wrapping/ fan belts/ O-rings, electrical insulation, engine dress-upWraps over wet, dirty or oily surfacesThe Samco Stretch & Seal Tape is a clever tape made from self-amalgamating silicone. As you stretch the tape, it triggers a curing system, which causes the silicone atoms to actually cross-bond to each other forming a permanent, 100% leak proof join.No tool box or glove box should be without a roll of this fantastic tape.Dimensions:Black - 25mm width x 0.5mm thick. (3m roll)Blue, Yellow and Red - 30mm width x 0.5mm thick. (5m roll)