The seal ring consists of a heat insulation sleeve, a refractory fiber layer and a heat-resistant rubber layer, and is made into a sealed circular shape.
隔热套、耐火纤维层和耐热橡胶层组成，制成封闭环状密封圈。
Heat shrinkable finger sleeve is suitable for protection of insulation and sealing in fork position. It includes two cores, three cores, four cores, five cores.
热缩指套用于电缆分支叉处的绝缘和密封保护，有二芯、三芯、四芯、五芯的产品。
Soldering irons should be kept away from the vinyl insulation sleeve of capacitor, to avoid the cause made over heat or break down to sleeve.
电烙铁应与电解电容器塑胶外壳保持适当之距离，以防止过热造成塑胶套管破裂。
应用推荐