1, ampoule glass should be colorless and transparent; 2, small expansion coefficient, good heat resistance; 3, to have enough physical strength to withstand the high pressure difference produced in the hot press sterilization chamber; 4, high chemical stability, do not change the PH value of the solution; 5, low melting point, easy to seal;6, no bubbles, pitting and sand.
1, ampoule glass should be colorless and transparent; 2, small expansion coefficient, good heat resistance; 3, to have enough physical strength to withstand the high pressure difference produced in the hot press sterilization chamber; 4, high chemical stability, do not change the PH value of the solution; 5, low melting point, easy to seal;6, no bubbles, pitting and sand.
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