As technology constantly moving forward, there were many methods to identify fabric composition, but the most simple and direct method is the combustion method.First of all, from clothing hemming, please go to the yarn, light observation, from the smell, burning state, as well as the leftovers, comprehensive, rapid judgment and clothing tags composition information on whether conform to, to confirm the authenticity of a fabric content.The following lists the seven kinds of common fiber combustion method.
Cotton fabric and hemp fabric.
Cotton and hemp are just near the flame is burning, burning fast.Flame, yellow, blue smoke.Difference: 1. The cotton paper smells like burning.Hemp plant ash smells like burning.2. After burning, cotton has few powder ash, a black or gray;Hemp produces a small amount of ash gray powder.