Breaking alongation
The relative alongation at stretching corresponding to the breaking point is one of the important mechanical properties of polymeric materials. It is estimated at the static stretching test.
Comparison of polyamides by breaking alongation
| Material | Value of breaking alongation, % | Reference document |
|---|---|---|
| PA 6-210/310 | not less 70 | OST 6-06-S9-93 |
| PA 610 | not less 100 | GOST 10589-87 |
| PA 66 (1 grade) | not less 20 | TS 6-13-0204040-51-90 |
| PA 66 (superior grade) | not less 20 | TS 6-13-0204040-51-90 |
| PA 6-210-KS (1 grade) | 3 | OST 6-11-498-79 |
| PA 6-210-KS (superior grade) | 3 | OST 6-11-498-79 |
| PA 6-211-KS (1 grade ) | 3 | OST 6-11-498-79 |
| PA 6-211-KS (superior grade) | 3 | OST 6-11-498-79 |
| PA 6-210-DS (1 grade) | 2 - 3 | GOST 17648-83 |
| PA 6-210-DS (superior grade) | 2 - 3 | GOST 17648-83 |
| PA 6-211-DS (1 grade) | 2 - 3 | GOST 17648-83 |
| PA 6-211-DS (superior grade) | 2 - 3 | GOST 17648-83 |
| PA 610-LSV30 | 6 - 9 | TS 6-06-134-90 |
| PA 610-KS (1 grade) | 2 | OST 6-11-498-79 |
| PA 610-KS (superior grade) | 3 | OST 6-11-498-79 |
| PA 610-DS (1 grade) | 2 - 3 | GOST 17648-83 |
| PA 610-DS (superior grade) | 2 - 3 | GOST 17648-83 |
| PA 66-KS (1 grade) | 3 | OST 6-11-498-79 |
| PA 66-KS (superior grade) | 3 | OST 6-11-498-79 |
| PA 66-DS (superior grade) | 2 - 3 | GOST 17648-83 |