Linuo premium 3ml universal pen cartridges. They are pre-washed, depyrogenated and sterilised, with a rubber stopper and a glass body. They fit universal-cartridge dispensing pens.
Batch test results (manufacturer’s inspection report)
Our current stock comes from Linuo batch 2607403 (report RTU202607-0006, July 2026), tested against the manufacturer’s standard Q/LN057-2025:
- Sterility: passed
- Bacterial endotoxins: below 0.25 EU/ml
- Residual ethylene oxide: not detected
- Plunger glide force: 2.40 N to start and 1.65 N while moving (limits 30 N and 15 N), with no irregular “juddering” movement
- Silicone: 0.16 mg (limit 1.0 mg)
- Particles: well under the limits for 10 µm and 25 µm particles
- Seal: no leakage at the cap or plunger
Manufacturer certification: Shandong Linuo Pharmaceutical Packaging Co., Ltd. is certified by SGS to ISO 15378:2017 (primary packaging materials for medicinal products, with GMP) and ISO 9001:2015, both valid to March 2028.
Inspection report and ISO 15378 certificate (tap an image to view it full size):
Specifications
- Brand: Linuo
- Manufacturer: Shandong Linuo Pharmaceutical Packaging Co., Ltd. (ISO 15378 / ISO 9001)
- Volume: 3ml
- Processing: Pre-washed, depyrogenated, sterilised
- Compatibility: Universal 3ml pen cartridge pens
- Pack sizes: 5 or 10
Empty container only. Contains no medicine and is not a medicine. Sold as a supply item to buyers aged 18 and over. We don’t provide medical advice or usage instructions. Buyer is responsible for lawful use.
Comparing options? Read our Vials & Pen Cartridges Buyer’s Guide: glass types, sterilisation and batch testing explained.





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