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Actually, the chemistry on these borosilicate glass vials is seriously consistent—batch to batch you just don't see variation some other glassware has, and the thermal stability has held up fine under repeated autoclave cycles for our team.
The alumnum cap with that PTFE/silicone septum seals nice and tight, and we've been using them across clinical trial prep work and routine sample storage without any leak issues so far.
We usually see ten to twenty days delivery depending on quantty, and the MOQ is twenty thousand pieces flat—so for smaller runs they'll have to consolidate or plan ahead.
They come in 3ml up to 10ml with graduations, which is handy because you don't always need a pipette for rough fills, and teh flat neck works with 16mm or 22mm closures basically.
What it does is fill a reliable mid-tier spot rather than cheap soda-lime glass—but for high-pH peptides or long-term retatrutide storage, a better option would be pre-silanized vials.
The MOQ is 20,000 pieces per order. You can mix different sizes — 3ml, 5ml, 7ml, 10ml — as long as the total hits 20,000. That works.
Yes, absolutely. Every batch comes with a Certificate of Analysis, and we can include HPLC and MS data upon request — standard for pharmaceutical research use.
Lead time is usually 15–20 working days after order confirmation and deposit. For custom packaging or labeling, add about 5 more days.
Yes, we offer custom printing on both the glass vials and outer cartons. Just send us your artwork or specs, and we'll handle the rest.
They ship non-sterile, but the borosilicate glass 3.3 and PTFE/silicone septum can handle autoclaving at 121°C. We can also provide gamma sterilization if you need it — just let us know.
