3M™ 8450 cold shrink cable accessory sealing kit is designed to seal between the jacket end and the end of an installed cable accessory. The kit includes a cold shrink sealing tube and mastic sealing strips and is rated for 15 to 35 kV cables. 3M™ 8450 cold shrink cable accessory sealing kit contains a cold shrink sealing tube and mastic sealing strips. The sealing tube and mastic strips are compatible with power cable jacketing and semi-conductive materials.