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Soy Fiber

E No.:E426
CAS NO.:9000-70-8
Einecs No.:618-530-1
Hs code:23040010
Payment Term:L/C,D/P,T/T



Soybean Protein Fiber or SPF is a botanic protein fiber and quite a unique active Fiber. Its 16 amino acids are healthy and nutritional to people's skin. Its moisture absorption, ventilation, draping and warmth cover the superior performances of natural fibers and synthetic ones.

SPF has the softness and smoothness of cashmere and comes comes from soybean, a plant massive in sourcing and rich in nutrition. People usually eat soybean but now are able to wear it.  

Soybean protein fiber means softness, comfort and smoothness; it is a feeling like "skin on skin". It is an active fiber and it possesses the superiorities of many natural fibers and synthesized ones.

Soybean Protein Fiber is an advanced textile fiber. It is made from the Soybean cake after oiling by new bioengineering technology. Firstly, the spherical protein is distilled from the soybean cake and refined. Secondly, under the functioning of auxiliary agent and biological enzyme, the space structure of spherical protein changes, and then protein spinning liquid is confected by adding high polymers, and then thirdly, after the liquid is cooked, the 0.9~3.0dtex fiber is produced by wet spinning, and stabilized by acetalizing, and finally cut into short staples after curling and thermoforming.

Soybean Protein Fiber has not only the superiorities of the natural fibers but also the physical properties of synthetic ones. Soybean protein fiber meets the people's demand  of comfortable and beautiful wearing and also conforms to the trend of easy care. It is the potential material for middle and high class clothing in textile industry.

Product Name: Soy Fiber Batch  No: 220319 Package: 25KG/Bag
Mfg No: 19 Oct. 2022 Mxpi No 19 Oct.2023 Quantity: 50000kg



Test result


White powder

White powder





No foreign matters to the naked eye

No foreign matters to the naked eye

Physical and chemical index

Dietary fiber % min


Crude protein % max


Moisture,%, max


Particle size(% pass 100 mesh)


Ash content,% max


Function Index

Absorption Capacity

Fiber: Water = 1:8

Fiber: Water =1:8

Properties : white powder

Packing : 20kg white paper bags with inner food grade HDPE bag

In Food

Soy Dietary Fiber is used in clinical nutrition, bakery products, confectioneries, extruded snacks, cereals. Light breads, rolls, machine breads, frozen doughs, refrigerated doughs, cakes, sweet goods, meat and meat analogs.

In Beverage

Soy Dietary Fiber is used as texture stabilizer, emulsifier and thickener in beverage.

In Health & Personal care products

Soy Dietary Fiber is widely used weight management products.

In cosmetics and personal care products, soy proteins and peptides may be used safely in body, hand, face and neck products, hair conditioners, hair dyes and colors, wave sets, shampoos, other hair care products, skin care products and mascara.

In Agriculture/Animal Feed/Poultry

Soy Dietary Fiber is used as dietary supplement in Agriculture/Animal Feed/Poultry, the market is little.

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