In order to improve the performance of the nonwoven fabric, it is also necessary to stretch the orientation of the nascent fiber to increase the orientation and crystallinity of the fiber.
Spinning fusion is the most widely used one-step spinning forming process for forming nonwoven fabrics.
The barbs with triangular cross sections (or other cross sections) are used to repeatedly puncture the web.
What is the raw material of needle-punched non-woven fabric?
Car noise on the road, walking upstairs, talking, talking next door, TV sound will be transmitted to the room through the wall.
Sound insulation felt is also called sound insulation damping felt.
Product technology of polyester sound-absorbing and sound-insulating cotton: Polyester fiber sound-absorbing and sound-insulating cotton, made of polyester fiber, made of cocoon cotton after hot pressing.
