Product Details Material: high standard pyrex glass tube Can the high borosilicate glass set explode? The high borosilicate glass set belongs to the heat-resistant product, the instantaneous temperature difference is between – 20 ℃ and 15 ℃. The special heat-resistant glass has no problem even if it is put into the boiling water directly after being frozen in the refrigerator. What is borosilicate glass? [heat resistant glass] refers to the glass containing boric acid and silicic acid with strong heat resistance, which can withstand rapid temperature difference changes. It is a good anticorrosive material. Mini glass tube normal size we have: OD: 8MM, 9MM,10MM,12MM,13MM WT: (WALL THICKNESS) 0.8MM, 1MM, 2MM, 2.2MM Normal color we have: Blue, light blue, green, lake green, amber, Yellow, purple, pink, transparent black. FAQ: COULD WE GET SAMPLES? Yes, we provide free samples , but custom should pay the express cost. WHAT IS THE TUBE STANDARD? Our tube is both end fine cutting, both end fire polished. CAN YOU MAKE OUR LOGO ON THE TUBE? Yes, we can make decals on the tubes. CAN WE CUSTOMIZED TUBE LENGTH? Yes, every tube are hand cutting, we can make customized tube length.

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