EventAlexium is a proud sponsor of the ISPA Sustainability Conference.Meet our team →
Technology

Phase Change Materials

Microencapsulated PCM — designed to be integrated.

The pinnacle of thermal management — microencapsulated PCM in its base form, designed to be incorporated into any other water-based technology for your product development and integration.

Microencapsulated phase change material capsules
10-100x
vs. sensible heat capacity
<10µm
Capsule diameters
−10 to 80°C
Tunable melt range

How it works

Each microcapsule contains a precisely engineered wax or salt-based PCM. As ambient temperature rises through the PCM's melt point, the core liquefies and absorbs heat isothermally — buffering the surrounding system. When temperature drops, the core solidifies and gives that energy back.

Alexium mPCM platforms

  • Micronal — high-performance mPCM platform integrated from the legacy BASF portfolio, engineered for building materials, coatings, and industrial thermal storage.
  • Nextek® — our flagship mPCM line for formulators, offering broad melt-point coverage and proven durability across textiles, foams, and coatings.
  • Vivtek® — bio-based mPCM chemistry for partners who require sustainable, naturally derived thermal storage without compromising performance.

Formulated coatings

  • AlexiCool® — ready-to-apply water-based PCM coating built on our Nextek mPCM, optimized for bedding, apparel, and comfort applications.
  • BioCool® — bio-based formulated coating powered by Vivtek mPCM, delivering the same thermal performance with a renewable-content profile.

Where it's used

  • Bedding, pillows, and mattress comfort layers
  • Performance apparel and footwear
  • Building insulation and thermal mass
  • Cold-chain packaging and electronics

Why Alexium

With the acquisition of Microtek Laboratories, Alexium owns the world's most established mPCM IP and manufacturing footprint — backed by decades of formulation expertise and full vertical integration from monomer to delivered product.

Let's collaborate

What's your challenge?

From bedding to ballistic gear, our chemists partner with you to solve thermal, flame, and humidity problems at the molecular level.