The cotton fiber and hemp fiber of the rope are both burnt just near the flame, burning quickly, the flame is yellow, and blue smoke is emitted. The difference between the burning smell and the ashes after burning is that the burning of cotton gives off the smell of paper, and the burning of hemp gives off the smell of plant ash; after burning, cotton has very little powder ashes, which is black or gray, and hemp produces a small amount of off-white powder ashes.
Cotton fiber and hemp fiber Both cotton fiber and hemp fiber burn immediately near the flame and burn rapidly. The flame is yellow and emits blue smoke. The difference between the burning smell and the ashes after burning is that the burning of cotton gives off the smell of paper, and the burning of hemp gives off the smell of plant ash; after burning, cotton has very little powder ashes, which is black or gray, and hemp produces a small amount of off-white powder ashes.
Nylon and Polyester Nylon (nylon) scientific name polyamide fiber. It quickly crimps and melts into a white gel near the flame. It melts and drips and foams in the flame. There is no flame when it burns. It is difficult to continue burning without the flame, giving off a celery smell. , The light brown melt is not easy to be crushed after cooling. The scientific name of polyester is polyester fiber, which is easy to ignite and melts when it is near the flame. When it burns, it emits black smoke while melting. It is a yellow flame and emits an aromatic smell. After burning, the ashes are dark brown lumps, which can be broken with fingers.
Differences in the process of dyeing nylon cords: dyeing method, dye quality; the horizontal color difference between the dyed bulk and the confirmed sample strip, the longitudinal color difference between each strip, the difference in the machine and its conditions, The color difference between dyeing batches, etc.; the characteristics of nylon webbing: low temperature dyeing of cotton ribbon and organic cotton nylon webbing, bamboo fiber nylon webbing, high temperature dyeing of polyester nylon webbing and nylon nylon webbing, the difference in characteristics also leads to color difference s reason.
Anti-mildew and antibacterial nylon webbing is a widely used textile product. There is a great demand for nylon webbing in many industries such as footwear, industry, agriculture, military supplies, and so on. The production quality of nylon webbing directly affects the use of nylon webbing. However, due to the many production steps of nylon webbing, it is inevitable that some nylon webbing manufacturers have some minor problems during the production process, which directly affect the quality of the final nylon webbing. , Discovering the causes of these problems in time can avoid more losses for the enterprise.
The scientific name of acrylic fiber is polyacrylonitrile fiber. It softens and shrinks near fire. It emits black smoke after fire. The flame is white. After leaving the flame, it burns quickly. It emits the bitter smell of burning meat. After burning, the ashes are irregular black lumps, which are easily broken by hand twist. . The scientific name of polypropylene fiber is polypropylene fiber, which melts near the flame and is flammable. It burns slowly and emits black smoke from the fire. The upper end of the flame is yellow and the lower end is blue, emitting a smell of petroleum. The ashes after burning are hard round light yellow-brown particles, easy to twist by hand. broken.