Freezer Racks
FAQs
Crystal Industries provides Freezer Inventory Racks designed to maximize your storage space and make sample organization and retrieval easy. All racks from Crystal Industries feature double welds, smooth edges and have a life warranty. We recommend utilizing the Freezer Rack Configurator on this website for recommendations on the best freezer rack to use in your freezer/refrigerator for your sample storage type.
Rack Selection & Compatibility
Crystal provides a Rack Configurator Tool to help you select the correct freezer rack based on:
- Freezer make and model
- Box size (e.g., 2" cryogenic freezer boxes)
- Tube or vial type
Using the configurator ensures proper fit, maximized storage capacity, and compatibility with your freezer system.
The number of racks that fit depends on:
- Freezer internal dimensions
- Shelf width and depth
- Rack width and configuration
Best options:
- Use the Crystal Rack Configurator Tool for precise recommendations
- Manually calculate by dividing shelf width by rack width
- Proper sizing helps maximize storage density and avoid wasted space.
Crystal Freezer Racks are designed to hold specific sample formats, including:
- Cryogenic freezer boxes (e.g., 2-inch height)
- Centrifuge tubes (e.g., 15 mL, 50 mL)
- Microtubes and cryovials
- Microplates (depending on rack design)
Selecting a rack with the correct compartment dimensions ensures secure storage, efficient space utilization, and easy sample access.
Temperature & Environment Compatibility
Yes. Crystal Freezer Racks are designed for a wide temperature range:
- Cryogenic storage (down to –196 °C, liquid nitrogen environments)
- Ultra-low freezers (–80 °C)
- Standard refrigerators
- Room temperature environments
They maintain structural integrity under repeated thermal cycling and extreme conditions.
Materials & Construction
Both materials offer distinct advantages:
- Stainless Steel Freezer Racks offer maximum durability, high corrosion resistance and are ideal for harsh or high-moisture environments.
- Aluminum Freezer Racks are lightweight and easy to handle, offer excellent thermal conductivity (faster temperature equilibration) and are suitable for routine laboratory use.
Selection depends on your application environment, handling preferences and budget considerations.
Rack Configuration & Workflow
Drawer-Style Freezer Racks — Best for efficiency and sample protection
- Rack frame remains inside the freezer
- Only one drawer is accessed at a time
- Minimizes exposure to room temperature
- Supports labeling for faster identification
Side-Access Freezer Racks — Best for lower cost or infrequent access
- Entire rack is removed to access samples
- Suitable when retrieval frequency is low
- More economical option
Organization & Efficiency
Using Crystal Cryogenic Boxes with Freezer Racks provides:
- Maximized freezer storage capacity
- Improved organization and sample tracking
- Faster sample retrieval
- Reduced freezer door open time
- Minimized frost buildup
Proper rack sizing also helps:
- Eliminate gaps between stored items
- Reduce ice accumulation
- Maintain consistent internal temperatures
Crystal Freezer Racks improve efficiency by:
- Reducing door-open time during sample retrieval
- Maintaining stable internal temperatures
- Improving airflow and storage organization
- Enabling faster, more precise sample access
This helps protect sensitive samples and reduce energy usage.
Maintenance & Care
Both stainless steel and aluminum racks can be cleaned using standard laboratory detergents and mild disinfectants (compatible with material).
Best practices:
- Rinse thoroughly after cleaning
- Dry completely before returning to cold storage
- Avoid harsh chemicals that may damage surface

