35 



6 



- 





m 





5 



- 





---^ 



.^--^ 



PRESSURE " 

 (lO^ atm) 



3 





H 



/ 



/ 



z 



1 



1 



l^n 1 



/ 



1 1 



I 



1 1 



10 20 30 40 50 60 70 80 90 

 TEMPERATURE (°C) 



FIGURE 15 PROPOSED PHASE DIAGRAM OF TEFLON 

 (C. E. Weir, J. Research Nat. Bur. 

 Standards, 50, 95 (1953)) 



artbur ZD.^iittlc.Iinr. 

 S-7 001-03 07 



