... ) 2,High temperature resistance and corrosion resistance 3excellent optical property 1:Place of Origin: China2:Material:heat resistant 3.3 borosilicate ... , heavy wall.3:Size: capacity(ML):5,, 10,, 25,, 50,,1 00,,150, ,250,, 500,, 1000,, 2000,, 3000,, 5000,, 10000,, 20000,, 50000 ...