TABLE 1.
Material | Strength (N m−2) | Elongation (%) | Energy to break (J kg−1) |
---|---|---|---|
Major ampullate silk | 4 × 109 | 35 | 4 × 105 |
Minor ampullate silk | 1 × 109 | 5 | 3 × 104 |
Flagelliform silk | 1 × 109 | >200 | 4 × 105 |
Tubuliform silk | 1 × 109 | 20 | 1 × 105 |
Aciniform silk | 0.7 × 109 | 80 | 6 × 109 |
Kevlar | 4 × 109 | 5 | 3 × 10 |
Rubber | 1 × 106 | 600 | 8 × 104 |
Tendon | 1 × 106 | 5 | 5 × 103 |