Make your own free website on

Phase Change Cooling Products featuring Cool-U Inserts

Questions and Answers

Cooling Products and Pricing
My Policies and Contact Information


Q: What temperature is the Phase Change Material (PCM)?
A: A comfortable 58 degrees F (14 degrees C).

Q: How do you activate PCM?
A: Solidify the inserts by placing them in a fridge, freezer, or ice water.

Q: How long does it take to activate them?
A: Approximately 30 minutes.

Q: How much does PCM weigh?
A: PCM is 25% lighter than water.

Q: Is PCM safe?
A: Yes, it is non-toxic, non-carcinogenic, and non-flammable.

Q: Is PCM reusable?
A: Yes, the inserts can be re-activated over and over again.

Q: How long will the PCM stay activated?
A: Vest inserts will remain at 58 degrees F (14 degrees C) for up to 3 hours.

Phase Change Cooling Technology

Key Benefits

  • Commonly used under military combat gear, hazardous materials suits, mascot costumes, and other apparel
  • Provide cooling comfort and heat stress protection in high temperature environments
  • Phase Change Material (PCM) releases long-lasting, temperature-specific (58 degrees F, 14 degrees C), cooling relief
  • PCM is non-toxic, non-flammable, durable, reusable, lighter than water, and does not produce condensation


Easy to Use

  1. Submerge PCM inserts in ice water for up to 45 minutes, or place in a freezer, until solid
  2. Return inserts to garment pockets
  3. Wear; repeat steps as needed (or use additional inserts for continuous relief)

Milt Cottrell dba MGC Enterprise * 5505 N 79th St * Omaha, NE * US * 68134
My Cell Phone is 402-850-9864