High Latent Heat Phase Change Wax N Eicosane C20 Industrial Grade

Product Overview

Derived from pure n-eicosane (C20), this wax features a phase transition temperature of 35.2°C and a latent heat capacity of 84.2 J/g, making it ideal for capturing and releasing thermal energy in industrial and building systems . Its microencapsulated form—often coated with polymethylmethacrylate (PMMA)—prevents leakage and enhances durability, ensuring consistent performance in high-temperature environments.

Product Features

Optimized Phase Transition

At 35.2°C, it targets industrial processes requiring thermal regulation just above room temperature, such as electronics cooling and solar energy storage .

Enhanced Thermal Reliability

Microencapsulation technology protects the wax from degradation, allowing it to withstand temperatures up to 200°C without structural breakdown. TGA analysis confirms three-stage degradation at high temperatures, ensuring safety in extreme conditions .

Efficient Energy Storage

With 84.2 J/g latent heat, it stores 100–200x more energy per volume than conventional materials, reducing the footprint of thermal storage systems in manufacturing plants .

Product Applications

Solar Thermal Storage

Integrated into concentrated solar power (CSP) plants, it extends energy discharge periods by 18%, reducing reliance on molten salt and cutting operational costs by $2.3M annually per 100MW facility .

Building HVAC Optimization

In climate-responsive buildings, it absorbs excess heat during the day and releases it at night, reducing HVAC energy consumption by up to 62% in desert climates .

Industrial Process Heating

Used in machinery cooling systems, it regulates temperatures in plastic extrusion and metalworking, preventing overheating and improving equipment lifespan.

FAQ

What is the melting point of N-Eicosane C20 wax?

It transitions at 35.2°C, making it suitable for medium-temperature thermal management .

How is leakage prevented in applications?

Microencapsulation with PMMA shells contains the wax during phase changes, eliminating leakage issues common in non-encapsulated PCMs .

Can it be used in renewable energy systems?

Yes, its high latent heat and thermal stability make it ideal for solar and wind energy storage, aligning with global renewable energy trends .

Phase Change Temperature and Latent Heat Adapted to Medium and High-Temperature Scenarios: It features a high phase change latent heat, and the phase change temperature remains stable under high purity. During the phase change process, heat absorption or release is uniform and lasts for a long time. This characteristic makes it a core choice for medium-temperature phase change energy storage materials, particularly suitable for: building heating (cooperating with solar heat collection systems to store daytime heat for nighttime use); industrial waste heat recovery (such as storing and reusing waste heat from engines and boilers); and temperature control of electronic devices (thermal buffer for 5G base stations and servers to avoid sudden temperature rises). Compared with low-purity products, its energy storage efficiency is improved by approximately 10%-15%, and its cycle stability is stronger (latent heat loss < 3% after 500 phase changes).

High Chemical Inertness: Its straight-chain saturated structure makes it resistant to reactions with acids, alkalis, and oxidants. Under high purity, there are no impurities such as olefins and aromatics, avoiding oxidative degradation or side reactions (e.g., low-purity products may generate colloids after long-term use). Its service life is 2-3 times that of ordinary alkane mixtures.

Plasticizing and Lubricating Functions: As an additive for polymers (such as polyethylene and polyamide), high-purity n-eicosane can reduce intermolecular forces, improve the flexibility and processing fluidity of materials (e.g., reducing mold wear during injection molding), and will not cause material yellowing or degradation of mechanical properties due to impurities (e.g., the retention rate of tensile strength is 8%-10% higher than that of materials added with low-purity products).

Substrate for Phase Change Temperature-Regulating Materials: After being compounded with gels and microcapsules, it can be used to prepare shape-stable phase change materials (such as phase change fibers and temperature-regulating coatings). High purity ensures the precise phase change temperature of the compounded materials.

Model Compound: In combustion chemistry and biodegradation research, high-purity n-eicosane can simulate the reaction mechanisms of long-chain alkanes (such as the combustion path of long-chain components in diesel). The absence of impurities avoids interference with reaction kinetic data, providing a reliable basis for fuel formula optimization and environmental pollutant control.

Calibration Standard: It can be used as an internal standard in chromatographic analysis (such as gas chromatography) for the quantitative detection of alkane substances. High purity ensures the accuracy of the calibration curve.