... : meet BS EN 50181, IEC60502, GB/T12706 requirements. Heat shrink raw materials: stress tube is parameter type, well-distributed ... has insilation effect, protective sleeve has protection effect. Product heat shrink is quite stable, can shrink to the orginal ... , aging, and good waterproof, with superior cold heat resistant performance. Surface is smooth. 35kv heat shrink 1core mid-joint cable accessory