1. See the trademark ,if it is pure wool, it must have five content mark of pure wool ; if it is blended products, should have the mark of wool content ; Otherwise, you can think it is fake.
2. Check the texture, true woolen sweater texture is soft, full of elasticity, without buckling, feel is good, warmth retention property ; False woolen sweater's texture is elastic, feel and warmth retention property is poor.
3. Combustion test, real wool contains a lot of protein, light a few fiber from the garment , smell the smell, look at the ashes, such as the smell of burning feathers, and ashes is broken with fingers , it is pure wool; If not the smell of scorched feathers, and ashes pressure unbreakable, it is agglomeration, that is chemical fiber fabric.
4. Friction electrostatic inspection, will waiting for garment unlined upper garment of cotton shirt in mutual friction 5 minutes , and then quickly away from each other, if no " pa pa" sound, is the true sweaters, If you have "pa pa" sound, even with electrostatic spark, then is for chemical fiber fabric, it is fake woolen sweater.
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