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What is "Dry-laid" - Definition & Explanation
Last Updated on: 11-Feb-2023 (1 year, 2 months, 4 days ago)
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Dry-laid
Dry-laid is a term used in the textile industry to describe a nonwoven fabric manufacturing process. The dry-laid process involves the use of a web of fibers that are laid down in a specific pattern, typically using air or mechanical means, to create a fabric without the use of liquid binders. This process is commonly used to create a wide range of nonwoven fabrics, including filter media, insulation materials, and other types of technical textiles.

The dry-laid process is a versatile and efficient way to produce nonwoven fabrics. The process begins by opening and blending fibers, such as polyester, polypropylene, or natural fibers like cotton, wool or hemp, to create a uniform blend. The fibers are then transported through a series of conveyors and machines that align the fibers and distribute them in a specific pattern.

In the dry-laid process, the fibers are not bonded together using any liquid binders such as glue or chemicals, unlike other nonwoven manufacturing processes like wet-laid or spunbond. Instead, they are held together by mechanical or thermal bonding or needle punching. The result is a fabric with a uniform density, strength, and thickness that can be tailored to meet specific performance requirements.

One of the key advantages of the dry-laid process is its ability to create nonwoven fabrics with a wide range of properties, including filtration, insulation, sound absorption, and durability. These fabrics can be used in a variety of different applications, such as automotive, construction, medical, and consumer goods.

Top users or manufacturers of dry-laid nonwoven fabrics include Freudenberg Performance Materials, Berry Global, DuPont, Hollingsworth & Vose, Kimberly-Clark, and Toray Industries. These companies produce a wide range of dry-laid nonwoven fabrics for a variety of different applications, including air and liquid filtration, automotive insulation, healthcare products, and construction materials.

Freudenberg Performance Materials is one of the world's leading manufacturers of dry-laid nonwoven fabrics. The company produces a wide range of products, including automotive and industrial filtration materials, medical fabrics, and geotextiles. Freudenberg's dry-laid nonwoven fabrics are known for their high-quality, durability, and consistent performance.

Berry Global is another major manufacturer of dry-laid nonwoven fabrics. The company produces a wide range of products, including filtration materials, hygiene products, and construction materials. Berry Global's dry-laid nonwoven fabrics are known for their strength, flexibility, and ability to meet specific performance requirements.

DuPont is a global leader in the production of nonwoven fabrics, including dry-laid materials. The company produces a wide range of products, including filtration media, insulation materials, and protective fabrics. DuPont's dry-laid nonwoven fabrics are known for their durability, strength, and ability to meet specific performance requirements.

In conclusion, dry-laid is a versatile and efficient process used to create nonwoven fabrics that are used in a wide range of applications. The process involves the use of a web of fibers that are laid down in a specific pattern, without the use of liquid binders. Top users or manufacturers of dry-laid nonwoven fabrics include Freudenberg Performance Materials, Berry Global, and DuPont, among others. These companies produce high-quality fabrics that are known for their durability, strength, and ability to meet specific performance requirements.
Dry-laid
Part of a production route for making nonwovens, in which a web of fibres is produced either by carding or by blowing the fibres on to an endless belt.

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