Table 1.

Thermal properties of pure PTFE in its initial state and after electron beam irradiation.

Absorbed Dose (kGy)	Tm (°C)	ΔHm (J/g)	Tc (°C)	ΔHc (J/g)	χc (%)	M n
0	330.72	37.92	311.39	36.09	44.01	3.13 × 105
26	333.85	62.95	312.37	57.48	70.10	2.83 × 104
52	334.12	64.06	311.71	59.20	72.20	2.43 × 104
78	337.20	67.30	313.47	55.44	67.61	3.41 × 104
104	333.34	63.14	313.67	56.07	68.38	3.22 × 104
156	335.57	64.66	312.21	57.93	70.65	2.72 × 104