1. Low stable dielectric constants 2. High volumetric resistivity 3. Dielectric strength 4. Excellent arc resistance 1 ShangHai Beat Ring Technology Co.,Ltd is specialized in producting all kinds of oil seals,o rings,bolts,rubber parts and so on.We have many years experience in this line and have our ownbrand LSB2 Low stable dielectric constantsHigh volumetric resistivityDielectric strength ...