The glass tube is equipped on the water boiler to see the water level of the boiler. Borosilicate glass tube is high temperature glass, can resistant about 500℃, and working temperature is about 400℃. Meanwhile, the borosilicate glass tube transmissivity is more than 90%.
Although our customer only place a small order, we make a custom for him. He was very happy when he received the glass tube after testing the quality. He said he have introduce Xinxiang Pan Chao Instruments Co., Ltd to his friend.
Now we are not only business cooperater, also best friends.
Welcome sending your inquiry: Phone : +86 13569413718  Email: info@panchaoglass.com