abstract |
A composition having a breaking strength of 10.0 N or more, containing polytetrafluoroethylene, and substantially free of the compound represented by the following general formula (3). General formula (3): (H- (CF 2 ) 8- SO 3 ) q M 2 (In the formula, M 2 is H, a metal atom, NR 5 4 (R 5 may be the same or different, H or an organic group having 1 to 10 carbon atoms), and may have a substituent. Lium, pyridinium which may have a substituent, or phosphonium which may have a substituent. Q is 1 or 2.) |