Life-Science Consumables
Labware Consumable
Labware consumables are produced in enormous volumes, so cost and moldability sit alongside clarity and chemical resistance. Different items in a family favor different resins — clear-walled tubes want clarity, while centrifuge and solvent-exposed parts want toughness and chemical resistance.
Sterilization: GammaE-BeamEthylene Oxide
Component material package
A recommended grade per component, drawn from the Nexeo catalog. Recommendations are engineering assessments; a cited property links the choice to data we hold for that grade.
| Component | Recommended grade | Why |
|---|---|---|
Clear tube / vial Transparent sample container | Eastman Tritan MX711 Copolyester (Copolyester) | A clear copolyester gives glass-like clarity with better break resistance and broad chemical resistance versus PS. |
Centrifuge / high-g part Toughened spin-down component | Purell RP374R Polypropylene (PP) | A random-copolymer PP tolerates high-g spin loads and solvent exposure at consumable cost. |
Reagent reservoir Chemically resistant bulk reservoir | Purell HP570M Polypropylene (PP) | A homopolymer-type PP gives stiffness and chemical resistance for reservoirs and troughs. |
Producer datasheetNexeo Applications Engineering assessmentAwaiting datasheetNot published by producer
Key regulatory requirements
- Certificate of analysis / lot traceability for assay use
- RNase/DNase-free and low-extractables claims validated per intended use
- ISO 11137 if terminally sterilized
Engineering watch-outs
- Clarity vs chemical resistance pulls in opposite directions — split the family across resins rather than forcing one.
- PP is not optically clear; do not use it where visual reads are required.
- Low-extractables/RNase-free status is a process+additive claim, not inherent to the base resin.
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