Identification method of 100% new granular spunbonded nonwovens
1. Look: the glossiness and luster of the non-woven fabric made of 100% full granulated material gradually darken with the increase of the proportion of fillers in the woven fabric.
2. Smell: 100% full granulated non-woven fabric has no peculiar smell, because polypropylene particles are tasteless, but the material has reverse smell, and the powder has the smell of gasoline and diesel.
3. Burning: the powder residue of 100% full granular non-woven fabric after burning will have similar objects, and the filler and non-woven fabric after burning can be clearly seen in the residual powder objects.
4. Pull: after tearing, 100% brand new non-woven fabric is firm, clean and pure, with a lot of silk. After tearing, a kind of non-woven fabric can see white powder filler.
5. Measurement: you can also determine 100% of the new material by measuring the thickness and specific weight of the cloth.