Glacier Coolant LM-XL-18 Phase Change Cold Storage Material Phase transition temperature -18℃
Product Description
LM-XL-18 works as acold energy storage and buffering material based on phase change technology.
It is designed to:
- Store cold energy during phase transition
- Release stored energy to maintain stable low temperature
- Reduce temperature fluctuation in deep cold environments
- Improve energy efficiency in refrigeration systems
- Enable repeated thermal cycling with stable performance
Technical Data
Product Appearance: Composite phase change material
Composition: Multi-component PCM system including energy storage agent, phase change modifier, anti-supercooling agent, anti-phase separation agent, and stabilizer
Physical Properties
| Phase transition temperature (℃) | Freezing | -18 | |
| Melting | -18 | ||
| Latent heat (kJ/kg) | 307.1 | ||
| Density (g/cm3) | Liquid (20℃) | 1.070±0.02 | |
| Solid (-20℃) | 0.944±0.02 | ||
| Thermal conductivity (20℃, W/m·K) | 0.5591 | ||
| Specific heat (20℃, kJ/kg·K) | 3.5316 | ||
| Volume expansion ratio of phase transition (%) | ≤10 | ||
| Flammability | Nonflammable | ||
Product Advantages
✔ High Energy Storage Density
Provides307.1 kJ/kg latent heat capacity, ensuring strong cold storage capability.
✔ Stable Phase Transition Performance
Engineered with anti-supercooling and anti-phase separation technology for reliable long-term cycling.
✔ Reusable & Long Lifecycle
Designed for repeated use with stable thermal behavior and durability.
✔ Safe & Non-Flammable Material
Non-flammable, stable, and environmentally friendly PCM solution.
✔ Efficient Thermal Buffering
Ensures fast and stable cold energy release for deep freezing systems.
✔ Strong System Stability
Reduces temperature fluctuation in low-temperature environments.
Thermal Energy Storage Principle
LM-XL-18 operates based onphase change energy storage technology, where:
- Energy is absorbed during melting
- Energy is released during solidification
This enables stable temperature control in deep freezing and cold chain systems.
Applications
LM-XL-18 is widely used in:
- Food freezing transportation systems
- Deep cold storage warehouses
- Refrigerator energy-saving systems
- Low-temperature air conditioning systems
- Cold chain logistics systems
- Frozen food preservation systems
- Industrial refrigeration systems
Material Compatibility
| Non-metallic materials | PC | ABS | POM | PS | PET | PA | PVC |
| Compatibility | √ | √ | √ | √ | √ | × | √ |
| Non-metallic materials | PE | PMMA | PP | Silicone | PTFE | Nitrile | Viton |
| Compatibility | √ | √ | √ | √ | √ | √ | √ |
System Usage Guidelines
To ensure optimal performance:
- Use in sealed PCM or insulated systems
- Avoid mixing with other chemical substances
- Ensure proper thermal packaging design
- Follow cold chain engineering standards
- Avoid contact with incompatible materials (PVC)
- Use within recommended temperature range (-18°C system design)
Cooling curve:

Safety Performance
LM-XL-18 is:
- Non-flammable
- Reusable and stable
- Environmentally friendly PCM material
- Safe for industrial cold chain applications
After-Sales Service
Glacier Coolant provides full technical support including:
- Latent heat capacity testing
- Phase transition performance analysis
- Thermal conductivity testing
- Cycle stability evaluation
- Volume expansion testing
- Application system optimization support
Handling
- Store in sealed containers
- Avoid contamination from incompatible materials
- Keep in dry and controlled environment
- Follow PCM system engineering requirements
- Refer to technical documentation before use
OEM Support
Glacier Coolant provides OEM customization, thermal system design support, and technical consultation for phase change cold storage applications worldwide.

















