LN2 Cryovial Color Inserts for Nunc 1.8mL Cryotubes (375418)
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Color inserts for Nunc 1.8 mL cryovials to allow visual identification of samples in LN₂ storage.
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Model information
- Source
- Printables
- Category
- Chemistry & Biology
- License
- Creative Commons — Attribution — Noncommercial
These inserts provide a simple color-coding system for cryogenic samples stored in LN₂. They are designed to press into the top recess of the cap on the following cryovials:
Thermo Scientific Nunc™ Biobanking and Cell Culture Cryogenic Tubes
Catalog: 375418 / 375418PK
Capacity: 1.8 mL
Style: Round self-standing base
The inserts allow quick visual identification of samples without needing to write directly on the vial.
Two versions included
Small insert
Easier to remove and reuse
Can be inserted into vials already stored in LN₂
Works better when ice buildup exists in the lid before insertingLarge insert
Tighter fit
Harder to remove
Best inserted before freezing
Materials tested
These inserts have been successfully printed and used in a Mr. Frosty and LN2:
PLA
PETG
TPU
ABS
ASA
-PLA, PETG, ABS, and ASA allow pencil labeling if desired.
TPU – easiest to insert and remove, but cannot be labeled with pencil and requires a chemical-resistant marker.
Notes
Designed specifically for Nunc 1.8 mL cryogenic tubes (375418).
Fit with other cryovials may vary.
Search keywords
This model may also be useful if you are looking for:
LN2 cryovial color markers
cryogenic vial cap inserts
cryotube color identifiers
Nunc cryovial lid inserts
sample identification inserts for cryogenic storage