Shape Stability of Polyethylene Glycol/Acetylene Black Phase Change Composites for Latent Heat Storage

Table 1

Relative weight changes of the PEG/AB composites before and after the leakage tests at 80˚C for 1.5 h.

Samples	Average weight before (mg)	Average weight after (mg)	Δ (%)	Standard deviation (mg)
PEG800/AB	313.2	317.2	1.27	0.88
PEG4000/AB	318.5	321.2	0.85	0.31
PEG6000/AB	319.4	322.7	1.03	0.76
PEG10000/AB	312.3	315.3	0.96	0.56