Elastic band stretch percentage
How do you find out stretch percentage of your elastic band? Below is a simple guide.
First, cut your band 20cm.
Then stretch it to the maximum you can. As you can see, this elastic stretch until 28cm.
Refer to the chart below
| How much it stretch | Percentage stretch |
| 21cm | 5% |
| 22cm | 10% |
| 23cm | 15% |
| 24cm | 20% |
| 25cm | 25% |
| … and so on |
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