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Low borosilicate glass tubular injection bottle

Specification 7ml
Quality Standards The appearance , stones, transparent nodes and air line should comply with relevant standards
Remark Should provide Registration Certificate of Drug Packaging Materials and Containers

Quality standards of low borosilicate glass tubular injection bottle

[material]

High-quality glass

[physical and chemical properties]
1. Water resisting property should comply with the requirements at any level of HC1、HC2、HC3.
2. Internal stress  The internal stress of the bottle should be less than 40nm/mm of glass thickness.

[Appearance quality]
1. The appearance should be even and smooth.
2. Stones and transparent nodes.
2.1 No more than one stone with a diameter of 0.5~1.0mm.
2.2 No more than two stones with a diameter of 0.5mm.
2.3 No more than two transparent nodes with a diameter of 0.5~1.0mm.
2.4 No intensive transparent node with a diameter less than 0.5mm.
3. Air line
3.1 No air line with a width of 0.2mm.
3.2 No more than 4 air lines with a width of 0.1~0.2mm.
3.3 No intensive air line with a width less than 0.1mm.
4. Air bubble in the bottom and the bottleneck
4.1 No air bubble with a diameter more than 0.5mm.
4.2 No more than 2 air bubbles with a diameter less than 0.5mm.
4.3 No intensive air bubbles with a diameter less than 0.1mm.
4.4 Flaw  There should not be flaw in any part (exclusive of the punctiform bumps, pits or scars on the surface, which will not cause leakage)
5. Dimension  
Total height of the bottle  39.7±0.5mm;
Outer diameter of the bottleneck  19.6±0.25mm;
Inner diameter of the bottleneck  12.5±0.2mm;
Outer diameter of the bottle   22±0.35mm;
Bottom thickness ≥0.6 mm;
Weight    8.4 ±0.2 g;
Crown thickness  3.2±0.2mm.

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