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Actually needed these after last batch of 5ml vials arrived with hairline cracks around the neck, so we’ve switched to borosilicate 3.3 — it’s what they use for most research storage. The MOQ is stiff at 20,000 pieces usually 2-3 weeks lead time so plan ahead.
They come in 3, 5, 7, and 10ml sizes with a flat neck — 16mm or 22mm — and each vial gets capped with an aluminun seal and a PTFE/silicone septum. Clear glass so you can spot precipitates or discoloration without opening, which is handy when you’re checking a batch under yellow light.
HPLC and MS data come with every shipment, though they’re not always from the same testing round we usually have stock but confirm lead time. Still better than reagent grade glass for this purpose since the thermal shock tolerance is tighter and chemicla resistance holds up with DMSO or acetonitrile.
One thing to note: these are not for anything with strong bases long-term or HF-based reactions — the borosilicate will etch over weeks, we’ve seen it. The 22mm neck option fits most standerd crimpers perfectly, but expect some trial with the 16mm if your tooling is older.
Packing is 100 per inner box and 10 boxes per carton, pretty straightforward to store. And if you need custom neck height or a specific septum thickness, they’ll do OEM runs but only at 50k units or so minimum.
We require a 20,000-piece minimum per order. That's 200 cartons, since each carton holds 1,000 vials (100 per inner box, 10 boxes per carton).
Every batch ships with a COA, plus HPLC and MS analysis reports. So you get full traceability on material purity and compliance for your lab work.
For now we only stock those four sizes—3ml, 5ml, 7ml, and 10ml. Custom sizes would need a new tooling run, which we can discuss if your volume justifies it.
They come 100 vials per inner box, with ten boxes packed into a carton. That's 1,000 vials per carton, all clearly labeled. Store them in a clean, dry area.
They use an aluminum cap with a PTFE/silicone septum. It's a crimp seal, so it's not resealable after opening—but it gives a tight, inert seal for single-use research samples.
