Organizing vast archives of laboratory samples requires a storage solution that is both highly dependable and exceptionally cost-effective. The Heathrow Scientific Cardboard Tube Storage Box provides a straightforward, economical way to manage bulk sample inventories without consuming the budget required for heavy-duty polycarbonate or specialized plastics. Manufactured from durable cryogenic cardboard, these versatile boxes are capable of withstanding ultra-low temperatures down to -196°C. They feature a smooth, write-on surface that allows for custom self-numbering systems and immediate visual identification. Available either as standard 50mm cryo boxes or as large open-format boxes (no inserts) for holding 15mL and 50mL conical tubes. Features and Benefits Deep Freeze Rated: Cardboard construction remains stable during mechanical freezing (-80°C) and vapor phase liquid nitrogen (-196°C) storage. Economical Archiving: Provides a cost-effective method for organizing massive, long-term storage inventories. Write-On Surface: The exterior paper coating accepts permanent markers easily for detailed, high-contrast labeling. Universal Footprint: Designed with standard dimensions to slide effortlessly into existing stainless steel freezer racking systems. Color Coding: Standard 50mm boxes are available in multiple colors for rapid visual sorting of distinct sample lots. Specifications Property Value Brand Heathrow Scientific Material Cryogenic Cardboard / Paper Temperature Rating Down to -196°C Standard Cryo Box Footprint 5.2 x 5.2 x 2.0 in (13.3 x 13.3 x 5.1 cm) Large Conical Box Footprint 5.7 x 5.7 x 4.8 in (14.5 x 14.5 x 12.2 cm) Laboratory Applications Economical archiving of thousands of clinical samples in -80°C repositories Storage of 15mL and 50mL conical tubes (using the large open-format box) General benchtop organization of dry goods and specialty vials Frequently Asked Questions Do these include the internal dividers?No, these specific SKUs are sold as the exterior box and lid only (no inserts). Partitions must be purchased separately or existing partitions can be reused. What fits in the large 5.7 inch box?The large HS2860M box is specifically sized to accommodate 15mL and 50mL conical tubes when paired with the appropriate Heathrow cardboard dividers. Will these fit in standard metal racks?Yes, the 5.2 x 5.2 inch (13.3 x 13.3 cm) footprint is the universal standard for cryogenic storage and fits into almost all commercial freezer racks. Quality Assurance Heathrow Scientific products are engineered to rigorous standards for the clinical and research laboratory. This product is manufactured under strict quality controls to ensure material integrity, dimensional accuracy, and reliable performance. Ordering Authorized dealer, ships from USA inventory. Serving academic, government, and research laboratories nationwide.
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