Paraffin wax Based PCMs

Explore PCMCOOL high-purity paraffin wax based PCMs (PW2 to PW28). Featuring high latent heat up to 230 J/g, 1500+ cycling stability, and non-corrosive alkane structures. Ideal for cold chain logistics, electronics cooling, and building energy storage. Request custom temperatures and TDS.

Paraffin Wax Based PCMs Categories

ProductPCMCOOL NP2PCMCOOL NP5PCMCOOL NP15PCMCOOL NP20PCMCOOL NP22PCMCOOL NP25PCMCOOL NP28
Phase Change Temperature 2°C5°C15°C20°C22°C25°C28°C
Latent Heat (J/g)210220220210210220230

Our PCMCOOL PW Series covers critical thermal thresholds. For instance, PW5 and PW22 are widely adopted in pharmaceutical cold chain packaging (2-8°C and 15-25°C profiles), while PW28 is optimized for building energy efficiency and human thermal comfort solutions."

Normal paraffin based PCMs

Key Properties

PropertyDescription
Material TypeOrganic phase change material
Latent HeatModerate to high latent heat storage capacity
Phase Change TemperatureAvailable across a customizable temperature range
Thermal ConductivityLower than inorganic alternatives
Energy DensitySuitable for compact thermal storage systems

Introduction

  • Paraffin wax based PCMs also called normal paraffin based pcms are a class of organic phase change materials widely used for thermal energy storage and temperature regulation.
    Due to their stable chemical structure, predictable phase change temperatures, and non-corrosive properties, normal paraffin PCMs are ideal for applications requiring long-term reliability and consistent thermal performance.
  • At RU Entropy, our normal paraffin based PCMs are engineered to deliver precise melting and solidification behavior, making them suitable for industrial, commercial, and energy-efficient systems.

Material Overview

  • Normal paraffin-based PCMs are hydrocarbon thermal storage materials composed primarily of linear alkane chains with controlled carbon distributions. These materials provide tunable phase change temperature ranges across a wide spectrum of thermal management applications.

    Paraffin wax PCMs are characterized by excellent chemical inertness, low vapor pressure, negligible supercooling behavior, and reliable thermal cycling performance. Depending on the carbon chain composition and purification level, they can be engineered for applications ranging from wearable cooling and cold chain logistics to building thermal regulation and energy storage systems.

    At RU Entropy, our paraffin wax PCM solutions are available in multiple formats including bulk PCM materials, gel composites, encapsulated systems, and application-specific thermal modules designed for industrial and commercial use.

  • During phase transition, these materials absorb or release large amounts of latent heat at nearly constant temperatures, enabling efficient thermal energy storage without significant temperature fluctuation.
  •  
  • At RU Entropy, our normal paraffin based PCMs are engineered to deliver precise melting and solidification behavior, making them suitable for industrial, commercial, and energy-efficient systems.

Thermal Performance Behavior

Normal paraffin based PCMs exhibit stable phase transitions within a narrow temperature range, enabling predictable heat absorption and release. Their thermal response remains consistent under steady operating conditions.

Cycling Stability & Performance Control

With proper encapsulation, normal paraffin based PCMs demonstrate excellent cycling stability and minimal performance degradation over repeated thermal cycles. Performance control is primarily managed through material selection and containment design.

Design & Integration Considerations

Normal paraffin based PCMs can be integrated into macro-encapsulation, micro-encapsulation, and sealed thermal storage modules. Design focus typically includes heat transfer efficiency, leakage prevention, and phase change temperature matching.

Typical Applications

phase change material

HVAC load shifting systems

Phase Change Materials Science and Applications​

Building thermal comfort solutions

Industrial thermal buffering

PCM Solutions for Transport Temperature Stability

Cold chain temperature stabilization

Electronics and battery thermal management

Advantages

Normal Paraffin Based PCMs vs Other Organic PCMs

AspectNormal Paraffin Based PCMsOther Organic PCMs
Material OriginPetroleum-derived, uniform molecular structureBio-based or blended compositions
Phase Change BehaviorNarrow and well-defined phase change rangePhase change range may vary by formulation
Chemical StabilityHighly stable and inertStability depends on material type
CorrosivenessNon-corrosiveGenerally non-corrosive
Long-term PerformancePredictable and repeatableMay vary based on composition
Typical Use CasesPrecise temperature control applicationsSustainability-focused or customized systems

Challenges and Considerations

How PCMCOOL Addresses These Challenges

How PCMCOOL Supplies Normal Paraffin based PCMs

Looking to integrate normal paraffin based PCMs into your thermal system?

Contact PCMCOOL to discuss material selection, temperature matching, and integration strategies for your specific application.