Glacier Coolant LM-XR-7 Phase Change Heat Storage Material 7℃
Product Introduction
It stores and releases thermal energy through a phase transition at 7°C, providing stable and continuous temperature control in various systems.
LM-XR-7 is widely used in cold chain logistics, air conditioning systems, and electronic component temperature control, ensuring efficient thermal energy management and long-term stability.
LM-XR-7 works as a thermal energy storage and buffering material based on phase change technology.
It is designed to:
◎ Store thermal energy during melting
◎ Release stored energy during solidification
◎ Maintain stable temperature near 7°C
◎ Improve energy efficiency in thermal management systems
◎ Enable repeated thermal cycling with stable performance
Technical Data
◎ Product Appearance: Composite phase change material.
◎ Composition: Multi-component PCM system including phase change matrix material, phase change modifier, anti-supercooling agent, and anti-phase separation agent.
Physical Properties
|
Property |
Condition |
Value |
|
Phase transition temperature (℃) |
Freezing |
7 |
|
|
Melting |
7 |
|
Latent heat (kJ/kg) |
|
154.0 |
|
Density (20℃, g/cm³) |
|
1.40±0.10 |
|
Thermal conductivity (25℃, W/m·K) |
|
0.6089 |
|
Specific heat (25℃, kJ/kg·K) |
|
3.3591 |
|
Volume expansion ratio of phase transition (%) |
|
≤5 |
|
Flammability |
|
Nonflammable * |
*Note: Please consult technical staff for detailed safety classification.
Product Advantages
✔ High Energy Storage Density
Provides 154.0 kJ/kg latent heat capacity, ensuring effective thermal 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 & Reliable Material
Stable, environmentally friendly PCM solution suitable for various applications.
✔ Efficient Thermal Buffering
Ensures fast and stable thermal energy release for temperature control systems.
✔ Strong System Stability
Reduces temperature fluctuation in near-ambient temperature environments.
Thermal Energy Storage Principle
LM-XR-7 operates based on phase change energy storage technology, where:
Energy is absorbed during melting (heat storage)
Energy is released during solidification (heat release)
This enables stable temperature control in thermal management and energy storage systems.
Applications
LM-XR-7 is widely used in:
◎ Cold chain logistics systems
◎ Air conditioning systems
◎ Electronic component temperature control
◎ Thermal energy storage systems
◎ Temperature regulation in packaging
◎ HVAC 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 | √ | √ | √ | × | √ | √ | √ |
Note: "√" indicates no dissolution, swelling, or aging observed at room temperature. For compatibility with other materials, please consult technical staff.
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 thermal engineering standards
• Avoid contact with incompatible materials (Viton)
• Use within recommended temperature range (7°C system design)
Cooling curve:
• Figure 1 Temperature vs time curve of LM-XR-7
• (Refer to the cooling curve chart in the original document for detailed thermal performance data)
Safety Performance
LM-XR-7 is:
• Reusable and stable
• Environmentally friendly PCM material
• Safe for industrial thermal management applications
• Non-hazardous, non-volatile, and resistant to deterioration
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 heat storage applications worldwide.
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