How to distinguish between good and bad quality of webbing in purchasing webbing
In the procurement of webbing how to identify the quality of the webbing is good or bad it is often encountered in many industry buyers often trouble! In fact, to verify the webbing is good or bad, the most direct way is to burn! The combustion method is to remove the two types of warp and weft yarns, respectively, with a lighter burning, burning process to observe some physical phenomena to determine the raw materials of the latitude and longitude yarn. Combustion to the flame, melting and distribution of the Smell, the situation after burning ashes.
Cotton belt and linen webbing: cotton belt and hemp tape are near fire that is burning, burning quickly, the flame was yellow, take blue smoke. The difference between the two is that the smell of burning and the burning of the fire is: the pure cotton webbing will burn the paper smell, linen webbing will be issued after the smell of grass ash; burning, pure cotton webbing with very little ashes, black or gray, While the linen webbing produces a small amount of white powder ashes.
Nylon webbing: near the fire side of the edge of the burning, burning flame was blue, leaving the fire to continue to melt, spread the special irritating smell, burning ashes after the soft loose black and gray.
PP webbing: hard to burn, from the fire that is extinguished, the flame was yellow, the bottom of the green white smoke, distributed irritating pungent spicy sour taste, burning ashes after the dark brown is not punctual lumps, fingers are not easy to twist.
Polyester webbing: near the flame that is melt, flammable, from the fire burning slow and black smoke, the top of the flame yellow, the bottom of the blue, distributed oil smell, burning ashes after the hard light yellow brown particles, hand twist fragile.
These are some of the commonly used webbing identification method, if you have mastered these methods, then the problems encountered in the procurement of webbing will be solved!