Phase Change Materials

China Professional PCM Manufacturer - PCMs for Global Cold Chain & Building Efficiency
Ru Entropy PCM - Gel Packs, Foam Brick Pouches, Blankets
phase change material

Ru Entropy (PCMCOOL)

  • China’s Trusted Phase Change Materials Manufacturer

Ru Entropy (PCMCOOL), a premier China phase change materials manufacturer, offers cutting-edge phase change material (PCM) solutions that efficiently manage thermal energy through melting and freezing transitions.

  • Our comprehensive portfolio includes:
  • Subzero PCMs: Designed for deep-freeze applications, maintaining temperatures from -40°C to 0°C,
  • ideal for cold chain logistics.
  • Bio-based PCMs: Sourced from sustainable materials, ensuring eco-friendly thermal regulation for green applications.
  • Paraffin-based PCMs: Providing balanced performance for reliable temperature control across various industries.
  • Hydrate Salt PCMs: High-energy-density solutions for demanding thermal management needs.
  • PCM Gels: Flexible, adaptable gels for versatile applications like wearables and packaging.
  • Our China phase change materials deliver precision temperature control, catering to global cold chain, medical, and consumer markets.

Why PCMs?

  • PCMs harness latent heat of fusion for superior thermal regulation:
    • Energy Absorption – Absorbs heat when melting (solid→liquid)
    • Energy Release – Provides cooling when freezing (liquid→solid)
    • Temperature Stability – Maintains consistent thermal control

Beyond Ice: Tailored PCM Solutions

  • While water/ice works at 0°C, Ru Entropy (PCMCOOL) engineers specialized PCMs with adjustable melting points from -40°C to70°C for:
    • Cold Chain Logistics – Stable temps for pharmaceuticals & food
    • Building Insulation – Energy-saving climate regulation
    • Industrial Safety – High-performance cooling vests
  • • Medical– Constant cooling and heating therapy
  • As your reliable China PCM manufacturer, we offer:
  • Shape-stable thermal storage
PCM gel pouch sample
  • Shape-stable thermal storage
Foam Brick PCM cooling packs
  • Smart building temperature control 
PCM solutions for building applications
  • Ideal for workers in heat
PCM cooling vest for workers
  • Cooling vests for worker safety
  • Vaccine transport
  • Perishable goods preservation
  • Green building insulation

Why Choose Us ?

PCM technology
10+ Years of Specialized R&D​

Our dedicated R&D and product development team has 10+ years of focused expertise in PCM technologies, driving continuous innovation in thermal solutions​

tailored pcm products
Customized Production Capabilities​

We partner with specialized suppliers to develop custom manufacturing equipment — enabling precise production of unique encapsulated PCM products tailored to your specifications.​

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Rigorous Quality Assurance​

Quality is the cornerstone of our commitment to client satisfaction — we enforce strict standards and meticulous attention to detail throughout every stage of production.​

Macro encapsulation
Macro Encapsulation Expertise​

We offer a full range of macro-encapsulated forms — including pouches, bags, blankets, cushions, panels, beads, sticks, and custom shapes — with flexible material options to suit your application.

solid-liquid pcm
Solid-Liquid Phase Change Materials​

Broad temperature range (-26℃ to 70℃) with diverse formulations: organic PCMs, eutectic aqueous PCMs, and inorganic PCMs — tailored to your thermal management needs.

form stable pcm
Form-Stable PCM Technologies

Our expertise spans advanced form-stable PCM solutions, including microencapsulated PCMs (MPCMs), graphene-reinforced composites, polymer-based PCMs, and PCM gels.​

Choose Ru Entropy (PCMCOOL)

  • Your Partner in PCM Innovation!
    Need specific temperature ranges or certifications? 
  • Contact our China PCM experts today!

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Ru Entropy Technology Co., Ltd.

  • © 2025 Ru Entropy Technology Co., Ltd.  All Rights Reserved
  • PCMCOOL® is a registered trademark of Ru Entropy