What is the difference between Tencel G100 and Tencel A100?

Tencel is the trade name of Lenzing's Lyocell fiber. It is a high wet modulus regenerated cellulose fiber produced by wet spinning after dissolving cellulose in a solution of N-methoxymorpholine (...

Tencel is the trade name of Lenzing’s Lyocell fiber. It is a high wet modulus regenerated cellulose fiber produced by wet spinning after dissolving cellulose in a solution of N-methoxymorpholine (NMMO for short). The production is carried out in a closed system, and the recovery rate of the organic solvent NMMO can reach more than 99%, which is harmless to the environment. Lyocell fiber is biodegradable.

Lyocell fiber has filament and short fiber, and short fiber is divided into ordinary type (uncross-linked type) and cross-linked type. The former is Tencel G100, and the latter is Tencel A100.

The difference between the two is first Production process:

Tencel G100 : Wood pulp → NMMO dissolution → filtration → spinning → coagulation in coagulation bath → washing → drying → curling → cutting into fibers

Tencel A100: Undried fiber tow → cross-linking agent treatment → high temperature baking → washing → drying →curl

Ordinary Tencel G100 fiber has high moisture absorption and swelling, especially in the radial direction. The swelling rate is as high as 40%-70%. When the fiber swells in water, the hydrogen bonds and other binding forces between the axial molecules of the fiber are disassembled. When subjected to mechanical action, the fiber splits along the axial direction to form longer fibrils. The fabric can be processed into peach skin style by taking advantage of the easy fibrillation characteristics of ordinary Tencel G100 fiber.

cross The hydroxyl groups in the linked Tencel A100 cellulose molecules react with the cross-linking agent containing three active groups to form cross-links between the cellulose molecules, which can reduce the fibrillation tendency of the Lyocell fiber and can process smooth-style fabrics. It is not prone to pilling during use.

Tencel is a pure natural regenerated fiber, which is 100% extracted from eucalyptus by the British Acordis company. It is developed from natural wood pulp and is called the “fiber dream of the 21st century”. Its characteristics: softer feel than silk, better hygroscopicity than cotton, light and easy to wash and dry.

Internationally, the popularity of Lyocell fiber began in the early 1990s. Domestic development began in the second half of the 1990s, and it became popular in the domestic market in the late 1990s. Lyocell fiber has high strength and can be used as an industrial fiber. It also has the comfort of cotton, a silk-like feel and good drape. It is the only new fiber in the world that combines the advantages of synthetic fibers and natural fibers. The emergence of Lyocell fiber has attracted countless fabric manufacturers and clothing manufacturers who are paying attention to the development of new fabrics, and it has become a very frequently used fiber name recently. The fiber causes very little pollution to the environment during the production process, so it is also called the “green fiber of the 21st century”

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