... mat and make it work better. * pcm cool mat 1. How to make your mat work longer?when it ... time, there may be a little agglomeration, and this is normal phenomenon, it does not affect the normal use ... or our company name. 3. We develop a new kind of cool material called water gel ... Learn About PCM & GELPCM: Phase change material, a substance with a high heat of fusion which, melting and solidifying at ...