How to choose suitable Calender and pattern on spunbond nonwoven production line in india?
1. Pattern types
a. Square pattern,mostly used for packaging because it has good bearing capacity.
b.Sesame pattern,mostly used for sanitary and medical materials,such as baby diaper and surgical gown.
c.Many other special patterns,such as rose pattern,used for flower
packaging and some shopping bags.
2. The influence of pattern to non-woven fabrics
Generally speaking, the softness and hardness of non-woven fabrics are related to the depth of the pattern, the distance of the pattern, and the hot melt ratio.
Under the same pattern kind and fabric weight,the deeper the pattern, the distance smaller, and the high hot melt ratio make the non-woven fabric harder;the shallow pattern, and the distance larger.