Micro encapsulated & form-stable phase change …
The diatomite was milled down to 3–5 μm particles with a ball mill for later use. Certain amount of water (shown in Table 2) was sprayed on the surface of the eutectic salt powder, followed by adding the aforementioned diatomite particles. The mixture was then mixed with a ball mill (without milling balls) at 80 RPM for 10 min.
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