PCM products

30-May-2015

PURETEMP PHASE CHANGE MATERIAL

BlockVesl

PureTemp phase change materials are designed to absorb and release large quantities of thermal energy at specific temperatures. Twenty-three PureTemp PCMs have been designated as 100 percent biobased by the U.S. Department of Agriculture's BioPreferred program. Our proprietary formulations and patented manufacturing processes yield superior results at cost-effective prices. See technical details on each PureTemp product.

Key properties include:
  • Heat energy storage capacities that average 200 J/g
  • Over 200 unique phase change transition temperatures between -40° C and 151° C
  • Consistent, repeatable performance over thousands of thermal (melt/solidify) cycles
  • 100% renewable
  • Produced from agricultural sources, not petroleum
  • Readily biodegradable and nontoxic

MACROENCAPSULATION OPTIONS

The Vesl containment solutions listed here are temporarily unavailable. Please contact us and we'll let you know when these innovative devices are back in stock.

BlockVesl
BlockVesl

Stackable blocks to build your solution

The BlockVesl is a precisely engineered duct plate of specially engineered plastics designed to contain phase change material and efficiently transfer thermal energy. Whether stacked together, used to line the wall of a container or for another purpose, the BlockVesl is ideal for cold storage, refrigeration, air conditioning, heat recovery and heat storage.

Characteristics
  • Dimensions: 330 x 255 x 39 mm
  • Surface area: 3,277 cm²
  • Specific gravity: 0.75-1.5 (varies based on chosen PCM)
  • PCM volume: 908 ml ± 5%
  • PCM temperature range: -15º C to 37º C

NOTE: BlockVesls are temporarily unavailable. Please contact us and we'll let you know when these devices are back in stock.

MacroVesl
MacroVesl

Fast energy exchange on a massive scale

The MacroVesl is a high-capacity, multi-chambered container approximating sphere and blow-molded from specially engineered plastics. It is designed to contain phase change material and efficiently transfer thermal energy through fast charge and discharge even with very low temperature deltas. The MacroVesl is suited for a wide range of applications, including cold storage, refrigeration, air conditioning, heat recovery and thermal energy storage.

Characteristics
  • Diameter: 305 mm (12 inches)
  • Number of wedges: 15
  • Wedge surface area: 255 square inches
  • Total surface area (less contact areas): 3,825 square inches
  • PCM volume per wedge: 478.5 ml
  • Total PCM volume: 7,177.5 ml
  • Specific gravity: 0.75-1.5 (varies based on chosen PCM)
  • PCM temperature range: -15° C to 37° C

NOTE: MacroVesls are temporarily unavailable. Please contact us and we'll let you know when these devices are back in stock.

MicroVesl
MicroVesl

Small enough to solve big problems

The MicroVesl is a precisely engineered sphere of phase change materials encapsulated in a multi-layered polymer structure chosen for its ideal barrier properties. Designed to contain phase change material and efficiently transfer thermal energy, the MicroVesl is suitable for a wide range of applications, including cold storage, refrigeration, air conditioning, heat recovery and thermal energy storage. It can be made in a range of sizes and can contain a variety of phase change materials.

Characteristics
  • Diameter: 18.5 mm (shown here)
  • Surface area: 10.75 cm²
  • Specific gravity: 0.75-1.5 (varies based on chosen PCM)
  • PCM volume: 2.9 ml ± 5%
  • PCM temperature range: -15° C to 37° C
  • Spheres per kilogram of PCM: 333

NOTE: MicroVesls are temporarily unavailable. Please contact us and we'll let you know when these devices are back in stock.

PackVesl
PackVesl

Flexible and durable

Designed for a wide variety of applications, PackVesls are multi-layer barrier film packages, hermetically sealed and designed to withstand long-term use. This one has three chambers totaling 20cm x 38cm and contains 454 grams (1 pound) of PureTemp phase change material, available in more than a dozen temperatures, from -2°C (28°F) to 29°C (84°F).

Characteristics
  • Multiple layers for MVTR and O2TR protection.
  • Durable and able to withstand rigorous and repeated use.
  • Can be made in huge volumes rapidly.

NOTE: PackVesls are temporarily unavailable. Please contact us and we'll let you know when these devices are back in stock.

TubeVesl
TubeVesl

High-pressure solution

These sturdy metal devices are hermetically sealed and able to withstand extremely high temperatures. Each holds 100g (3.5 ounces) of the PureTemp PCM of your choice.

Characteristics
  • 30mm in diameter and 165mm in height
  • Coated aluminum to resist corrosion
  • Hermetically sealed to prevent moisture and vapor transmission
  • Durable and able to withstand high pressures
  • Can be made in huge volumes rapidly

NOTE: TubeVesls are temporarily unavailable. Please contact us and we'll let you know when these devices are back in stock.

MatVesl
MatVesl

Flexible in every way

These multi-layer barrier film packages are able to withstand rigorous long-term use. They can be configured up to 18 inches wide by nearly endless lengths for a wide variety of applications. Samples weighing about 1 kilogram are 17 inches by 20 inches.

Characteristics
  • Multiple layers for MVTR and O2TR protection.
  • Hermetically sealed to prevent leakage or intrusion
  • Can be made in huge volumes rapidly

NOTE: MatVesls are temporarily unavailable. Please contact us and we'll let you know when these devices are back in stock.

MICROENCAPSULATION OPTIONS

The process of coating small amounts of phase change material, from 10 to 1000 microns, is called microencapsulation.

The three basic forms:
  • Powder: Particles of PCM are encased within a shell and immersed in a water solution. The water is then removed, leaving a powder of encapsulated PCM.
  • Cake: Particles of PCM are encased within a shell and then immersed in a water solution. Most of the water is removed, leaving a cake that is 30% water and 70% solids.
  • Slurry: Particles of PCM are encased within a shell and then immersed in a water solution. Some water is removed, leaving a slurry that is about 60% water and 40% solids.

Microencapsulated PCMs are sold to manufacturers for use in high-performance textiles, adhesives, bedding, flooring, paint, roofing and electronics. Contact one of our containment partners, Encapsys or Microtek Laboratories, for information on microencapsulated PureTemp.