Quartz rod 1,Diametrer 10-80mm, Deviation(%) +/-1 2,high purity,good transmition, 3,no airline, few bubbles ... OEM/ODM is ok Quartz rod We have produced 10-80mm ... *m-3(×103)2.2Coefficient of expansion25-300°C°C-10.56Softening point (°C)1700Annealing point (°C)1180Strain point (°C)1140 ...