Commonly used materials are cotton rope, hemp rope and nylon rope. The cotton rope is soft and suitable for parts with high flexibility; Hemp rope is rough and suitable for fixing body parts; Nylon rope is hard and suitable for bearing.

It is singeing after drying in the shade. I bought a gas cassette stove, which is convenient to burn on the workbench. I should pull the rope quickly so as not to burn it. I'd rather burn it a few times than stay too long. If I have time, I can twist the hemp rope and try to burn the burr inside.

Dig trenches with different proportions, and do different experiments with four ropes 1.5m that have just been boiled. Finally, I chose to oil them twice. The first layer of oil is to make the hemp rope softer. After hanging in the shade for one night, I apply another layer of oil, which has a bright effect, which is softer and brighter than the effect of applying the rope only once.

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Hemp rope is made of fibers from various hemp plants. Hemp rope, the conventional diameter is 0.5mm-60mm. Hemp rope (including jute/sisal), two strands, three strands and four strands of twine, with a diameter of1.5-4.5cm, looks like twine.

Hemp yarn ranges from 0.8 yarn to 6 yarn, and the diameter of hemp yarn is1mm-5 mm. It can be used as single-ply, double-ply, three-ply, four-ply and multi-ply yarn, with cylindrical and conical paper tubes and no paper packaging.

However, bast fibers such as jute and hibiscus hemp have lignified cell walls and short fibers, which can only be used as hard rope materials. Their products are widely used in shoes, clothing, packaging materials and so on according to their softness. Jute yarn/yarn, imported hemp yarn usually has three tight strands, three loose strands, multiple strands and single strands.

The specifications are: 1.5*3, 1.5*4, 1.6* 1 .6 * 2, 1.6*3,/kloc-. 3. 1*2, 3. 1*3, 3.7* 1, 3.7*2, 3.7*3, 4. 1* 1, 4. 1*2, 4× 4 =

Long-term 1.5 shares: 3×3=9 shares, 3×4= 12 shares, 4×4= 16 shares, 3×6= 18 shares, 3× 10=30.