Under normal circumstances in order to identify the fiber content subject, without discrimination.
Identification by combustion fabric ingredient is: in the seam at the clothing evacuated under a wisp of cloth yarn (include warp and weft), the use of fire to ignite, observe the state of flame, then the smell after the issue of cloth yarn burning It smells. After burning smell if similar human hair burning issue, you can confirm this fabric containing wool ingredients, the more intense the odor, the higher the proportion of ingredients hair. Then look at the residue after burning, black coke-like case, it may indicate a component containing hair. Finally Used refers to the residue twist it, if completely powder, then is all wool, viscose if particulate appear, contain synthetic ingredients, more viscose granular hard objects, then the chemical composition the proportion is higher.
