针刺棉是杯型口罩的过滤、定型材料，由聚酯纤维为原料，聚酯纤维最大的优点是抗皱性和保形性很好，具有较高的强度与弹性恢复能力。其坚牢耐用、抗皱免烫、不粘毛，针刺棉采用针刺工艺制成，其质量轻，易定型，可以很好的支撑起杯型口罩。针刺棉具有高效过滤，防低毒，除异味，透气舒适，卫生，方便，安全，美观等特点，可以通过裁切、热压冲型做成不同的样式，得以用于不同大小的杯型口罩。

　　Needle-punched nonwoven is N95 or KN95 cup-shaped mask filtering and shaping material, which is made of polyester fiber and adopts needle punching process. Its light weight, easy to shape, can support the N95 cup mask well, with high efficiency filtration, anti-low toxicity, deodorization, breathable and comfortable, hygienic, convenient, safe, beautiful and so on. Needle punched cotton can be made into different styles by cutting, hot pressing and punching to be used in N95 cup masks of different sizes. It can be made into an arch shape, which can not only ensure a good adhesion with the shape of the face, but also reserve a certain space at the nonwoven mask, which is comfortable to wear.