Large volume of dry ice pellets
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Dry ice is solid carbon dioxide (CO₂) with a temperature of -79.8°C. When exposed to the environment, it sublimates directly from a solid to a gas without becoming liquid.
- The Pellets: The choice of diameter (3, 6, 10 mm) determines the sublimation rate (surface-to-volume ratio).
- 3 mm: Very fast, ideal for dry ice blasting and rapid cooling.
- 6 mm: The industrial standard for transport and general cooling.
- 10 mm: Very slow sublimation, ideal for long-term storage and transport (e.g., 48+ hours).
- Quality: For industrial applications and foodstuffs, Foodgrade quality is essential to prevent contamination by oils or residues.
Important info!
Important Information for Large Volumes
When working with large volumes (from hundreds of kilograms), the approach changes from a "product" to a "logistics process":
- Sublimation Loss: During transport and storage, always calculate with a loss percentage. Depending on the quality of your insulation containers (such as EPP/EPS boxes) and the ambient temperature, you lose 2% to 10% of the weight daily due to evaporation.
- Storage: Use exclusively high-quality, professional insulation containers. Store these in a cool, drafty place, but never in a hermetically sealed cellar or small space.
- Inventory Management: Dry ice cannot be kept "in stock" like normal goods; it must be scheduled "just-in-time."
Product details
Product Specifications: Dry Ice Pellets (Foodgrade E290)
| Property | Ø 3 mm (Mini) | Ø 6 mm (Standard) | Ø 10 mm (Nugget) |
|---|---|---|---|
| Shape | Small grains | Medium cylinder | Large nuggets |
| Sublimation Rate | High (Fast) | Medium | Low (Slow) |
| Surface Area | Maximum | Medium | Minimum |
| Primary Function | Rapid cooling / Blasting work | General transport | Long-term storage / Transport |
Technical Details
- Material: 100% Solid Carbon Dioxide (CO₂).
- Temperature: -79.8°C (at atmospheric pressure).
- Purity: Foodgrade, produced from high-purity liquid CO₂ (complies with E290). No additives or fragrances.
- Sublimation Ratio: 1 kg of dry ice sublimates into approximately 500 - 555 liters of gas at room temperature.
- Storage Retention: Depending on the quality of the insulation box (e.g., EPP/EPS), loss through sublimation averages 2% to 8% per 24 hours.
It is recommended to handle the ice with thermal gloves to prevent burns.
Transport
Transport Guidelines
Specific rules apply to the transport of dry ice (UN 1845):
- ADR Legislation: Dry ice is classified as Class 9 (Miscellaneous dangerous substances). For commercial transport, the driver and vehicle must comply with ADR regulations (including correct labeling).
- Vehicle Requirements:
- Separated Cargo Area: Ideally, the cargo area is physically separated from the driver's cabin.
- Ventilation: If the cargo area is not separated, constant, forced ventilation of the cabin is mandatory. Recirculation mode of the air conditioning is strictly prohibited.
- Securing: Containers must be secured during transport with tie-down straps to prevent shifting.
- Documentation: Always ensure a transport document clearly stating the UN number (1845), the proper shipping name (Dry ice or Carbon dioxide, solid), and the total net weight.
Information
Safety
Safety (Crucial for Large Volumes)
With large quantities, CO₂ gas accumulation is the greatest risk.
- Risk of Suffocation: CO₂ is heavier than air and collects near the floor. In a room with a lot of dry ice, the oxygen percentage can drop dangerously without you noticing.
- Measure: Install CO₂ detection equipment with an alarm in the storage area.
- Ventilation: Ensure active extraction at floor level in areas where dry ice is stored or processed.
- Risk of Frostbite: Direct contact with dry ice immediately causes deep frostbite (comparable to burns).
- Measure: Always use cryogenic gloves, safety goggles (against splashing pieces), and protective clothing.
- Pressure Relief: Never seal dry ice airtight in a container or bottle. The expansion of CO₂ during sublimation is a factor of 750 (1 liter of dry ice becomes approx. 750 liters of gas). This guarantees a risk of explosion.