Overview
Plastic cryogenic sample tubes are specialized containers engineered for preserving biological materials at extremely low temperatures. These tubes represent a critical component in modern laboratories, particularly in fields requiring long-term biomaterial preservation such as genomics, vaccine development, and stem cell research. Manufactured from high-grade polymers, these tubes undergo rigorous testing to ensure performance under thermal stress. The standardization of sizes (e.g., 1.8mL or 2.0mL) and threading (external/internal) facilitates compatibility with automated handling systems in high-throughput laboratories.
Product Features
Premium cryogenic tubes feature ultra-low temperature resistance down to -196°C, maintaining structural integrity without becoming brittle. Many incorporate silicone gasket-sealed caps to prevent sample evaporation and cross-contamination during years of storage. Advanced versions offer color-coded caps for sample identification, printed graduations for rough volume estimation, and frosted labeling surfaces for secure marker adhesion. Some manufacturers provide DNA/RNA-free certified tubes to prevent nucleic acid contamination in sensitive applications.
Main Uses
These tubes serve as primary storage vessels for diverse biological specimens including serum, cells, tissues, and nucleic acids in biobanks. Pharmaceutical companies utilize them for drug compound archives, while clinical labs store patient samples for future testing. In reproductive medicine, they preserve sperm and embryos in liquid nitrogen tanks. Research institutions employ them for maintaining microbial culture collections and creating long-term reference material repositories with minimal sample degradation.
Culture and Development
The evolution of cryogenic tubes parallels advances in biomedicine, transitioning from glass ampoules in the 1950s to today's sophisticated plastic versions. Modern manufacturing employs injection molding with medical-grade resins and cleanroom production to ensure sterility. Recent innovations include 2D barcoded tubes for LIMS integration and conductive formulations compatible with automated liquid handling systems. The growing biobanking sector (projected to reach $52.7 billion by 2027) continues driving product improvements in sample traceability and storage density.
B2B Procurement Guide
Bulk purchasers should verify ISO 13485 or FDA 21 CFR Part 820 certification for quality assurance. Key specifications include maximum RCF tolerance for centrifugation applications and ethylene oxide/gamma radiation sterilization documentation. Volume discounts typically apply for orders exceeding 10,000 units. Many suppliers offer private labeling options and custom imprinting services for large-scale buyers. Just-in-time delivery programs are available from major distributors to reduce inventory costs for high-throughput facilities.
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