商场里“七孔棉”、“九孔棉”等床品非常多,大部分消费者在选购时都认为孔棉就是棉,事实并非如此。所谓带孔的棉被,被芯其实与棉没多大关系,七孔棉、九孔棉、十孔棉并不是人们常说的土生土长的棉花,而是一种涤纶纤维产品。把涤纶纤维的切片放在高倍显微镜下观察,它的纤维截面的孔腔数通常被称为单孔、七孔、九孔、十孔等。纤维的孔腔数越多,它的透气、保暖、蓬松性就越好,也越柔软。 “Seven-hole cotton ”, “nine-hole cotton ” and other bedding is very large, most consumers think that when buying cotton is cotton hole, the fact is not the case. The so-called perforated quilts, the core is actually not much relationship with cotton, seven holes cotton, nine hole cotton, ten hole cotton is not commonly known as indigenous cotton, but a polyester fiber products. The polyester fiber sections under high magnification microscope observation, the fiber cross-section of the cavity is usually called the number of holes, seven holes, nine holes, ten holes and so on. The more cavities in the fiber, the more breathable, warm, loftier and softer.