Eppendorf Safe-Lock Micro Test Tubes 0.5 ml, Blue, 500 Pcs. EPPE0030121.139

Eppendorf Safe-Lock Micro Test Tubes 0.5 ml, Blue, 500 Pcs (part number EPPE0030121.139) are microcentrifuge tubes designed for secure sample storage and processing in molecular biology and life science applications.

Key Features:

• Volume capacity: 0.5 mL
• Color: Blue
• Pack size: 500 tubes
• Safe-Lock hinged lid design prevents unintentional opening
• High centrifugation stability up to 30,000 × g (g-Safe® feature)
• Material: polypropylene with no slip agents, plasticizers, or biocides
• Temperature range: functional from -86 °C to 100 °C
• Autoclavable when open at 121 °C for 20 minutes
• Large frosted lid and side surface for easy labeling
• Precise lid sealing minimizes evaporation during long-term storage

Advantages:

• Small 0.5 mL capacity allows for handling microliter sample volumes efficiently
• Blue color coding aids in sample identification and organization
• Safe-Lock lid ensures maximum sample security preventing accidental loss or contamination
• Exceptional centrifugation stability reduces risk of tube breakage and sample loss during high-speed spins
• Chemical-resistant polypropylene ensures sample integrity despite exposure to chemicals and temperature extremes
• Ability to withstand ultra-low freezing and high temperatures allows versatile sample storage and processing
• Autoclavability supports sterile reuse and contamination control
• Frosted labeling area facilitates clear and durable sample documentation
• Tight sealing reduces evaporation, preserving sample volume and concentration over time