Quality & Certifications
We publish the data your QA team actually asks for.
Every batch ships with a Certificate of Analysis and a Certificate of Conformity. Our glass is tested and classified against recognised standards — not just described as "quality assured."
ISO 9187-1 & 9187-2Glass ampoule product standard
USP Type-IAmpoules
USP Type-IIIMoulded vials
COA + COCEvery batch
Chemical Testing Reports
Borosilicate glass tube — amber & clear, tested separately.
Amber Glass TubeQualified
- Thermal expansion
- 6.9 × 10⁻⁶ K⁻¹ (20–300°C)
- Density
- 2.45 g/cm³ @ 25°C
- Hydrolytic Class (ISO 719)
- HGB I
- Neutrality
- Semi Neutral
- Acid Class
- Class 1
- Alkali Class
- Class 2
Chemical composition
SiO₂
69%
Al₂O₃
5.5%
B₂O₃
6.8%
Na₂O
9.8%
K₂O
1.9%
CaO
3.5%
BaO
2.0%
MgO
0.11%
Clear Glass TubeQualified
- Thermal expansion
- 6.9 × 10⁻⁶ K⁻¹ (20–300°C)
- Density
- 2.45 g/cm³ @ 25°C
- Hydrolytic Class (ISO 719)
- HGB I
- Neutrality
- Semi Neutral
- Acid Class
- Class 1
- Alkali Class
- Class 2
Chemical composition
SiO₂
71%
Al₂O₃
5.3%
B₂O₃
7.2%
Na₂O
9.28%
K₂O
2.43%
CaO
3.5%
BaO
2.0%
MgO
0.11%
Fe₂O₃
0.25%
Dimensional Specifications
Type-I empty glass ampoules — 1 ml to 25 ml.
| Size | Body dia. (mm) | Ht. to construction (mm) | Ht. to sealing pt (mm) | Neck dia. (mm) | Overall height (mm) | Wall thickness (mm) | Bulb dia. (mm) |
|---|---|---|---|---|---|---|---|
| 1 ml | 10.25 ± 0.25 | 26–28 | 49–51 | 6–7 | 59–61 | 0.32–0.40 | 7.00–8.00 |
| 2 ml | 11.25 ± 0.25 | 35–37 | 59–61 | 6.25–7.25 | 70–72 | 0.32–0.40 | 7.50–8.50 |
| 3 ml | 12.25 ± 0.20 | 43–45 | 69–71 | 6.25–7.25 | 79–81 | 0.32–0.40 | 8–9 |
| 5 ml | 14.25 ± 0.20 | 49–51 | 79–81 | 7.0–8.0 | 89–91 | 0.35–0.45 | 8.0–9.50 |
| 10 ml | 17.25 ± 0.20 | 64–66 | 94–96 | 7–8 | 104–106 | 0.35–0.45 | 9–10.50 |
| 20 ml | 21.25 ± 0.30 | 111 mm / 85–87 mmunconfirmed | — | 8.0–9.0 | 125–127 | 0.40–0.45 | 12.0–13.0 |
| 25 ml | 21.25 ± 0.30 | 98–100 | 135 | 8.0–9.0 | 144–146 | 0.40–0.45 | 12.0–13.0 |
Full hand-drawn dimension diagrams are shared with the Proforma Invoice. The 20 ml row is flagged pending confirmation from the factory — see the note in the table.