PTFE (Teflon) Properties
Grades
100% Pure
Virgin
Glass
Filled 25%
Carbon
Filled 25%
Bronze
Filled 60%
Graphite
Filled 15%
Density
2.14–2.18
2.25
2.1
3.9
2.18
Tensil Strength Kg/Cm2
210–350
125–200
190-210
125-150
140-210
Elongation at Break (%)
250-400
200-400
110-160
150-200
200-300
Hardness (Shore) D
50-65
66-68
71-73
71-73
60-70