Fibers & Textiles

What is Bemliese™?

Superior Performance

Tested and proven benefits of this unique
cellulose continuous-filament nonwoven.

Natural Materials, Leading Technology.

Nature achieves perfection over centuries of evolution.
Asahi Kasei complements this with proprietary technology that also is driven by a constant desire to ensure and improve quality for Bemliese™. Bemliese™’s many applications, current and those under development, rely on this dedication.

High biodegradability

Because Bemliese™ is made from a naturally derived material, it is highly biodegradable and can be decomposed by living organisms.

Biodegradability Test

Bemliese™ (110g/m2)

Biodegradability test, by mixing nonwoven fabric with compost and incubation in a dark place at a temperature of 28℃. Water content checked regularly. Adjusted as needed. Compost regularly stirred, with visual verification of the state of decomposition of nonwoven fabric.

Source: TUV AUSTRIA OK biodegradableSOIL

Degradability Test

Compared to other biodegradable nonwovens, Bemliese™ has a higher rate of biodegradability.

Test parameters
Immersion in soil in accordance with JIS K 6955.
Sample dimensions 10㎝×5㎝ (40g/㎡) buried in earth and incubated at 20~28℃, rate of decomposition confirmed.

High liquid absorption and retention

The filament structure is designed for superior liquid absorption, able to absorb and retain liquid 13 times* over its own weight. Asahi Kasei enhances the natural liquid retention capability of cotton with its own, original technology.
The reclaimed cellulose filament structure created by using cotton linter as a material provides a much higher level of liquid retention than untreated cotton.

*per SB283 data

Tests for liquid absorption and retention


Comparison of liquid absorption amount

Ratio of liquid absorption (number of times)

High adhesion

Bemliese™ has the ability to cling tightly to surfaces as it becomes soft from absorbing liquid. This makes it an ideal material for facial sheet masks due to its perfect fit to skin along facial contours.

Comparison test of attaching and detaching


  • 0 minutes
  • After 5 minutes
  • After 15 minutes

Other materials

  • 0 minutes
  • After 5 minutes
  • After 15 minutes

High transparency

When Bemliese™ is wet, it becomes highly transparent due to the liquid that has permeated its filaments.

Test of transparency


  • Dry
  • Wet

Other nonwoven sheet

  • Dry
  • Wet

Low particle, low lint

Continuous filament Bemliese™ significantly reduces lint compared to many short fiber materials. It can be used in a number of applications.

Lint after separation

Fluffing after friction

  • Bemliese™
  • Cotton nonwoven sheet
  • Viscose (rayon)/PET nonwoven sheet
  • Cotton gauze

High purity

Impurity extraction test, dissolution of impurities such as a surface-active agent (soaked in water)

  • Bemliese™
  • Cotton nonwoven sheet
  • Viscose (rayon)/PET nonwoven sheet
  • Cotton gauze

Impurity extraction test
(ethanol extraction)

Low electrostatic charge

Since liquid contained in the Bemliese™ filaments releases static electricity into the air, the filaments are not easily charged.

Measurement of friction-charged electrostatic potential (object: PET resin)

Electrostatic potential (V)

High heat resistance

Bemliese™ withstands temperatures up to 260℃, and is free from the softening and decomposition characteristics of synthetic fabrics.
Colors and starts to decompose at 260℃ to 300℃

Comparison of heat resistance

  • Bemliese™
  • Polyester knit
  • Viscose (rayon)/PET nonwoven sheet
  • Pulp/PP nonwoven sheet

Less damage from friction

Since the cross-section of the Bemliese™ filament is nearly circular in comparison to other filaments, it reduces friction and abrasion damage when rubbed.

Difference in filament structure (pictures of cross-section)

  • Bemliese™
  • Cotton nonwoven sheet
  • Viscose (rayon)/PET nonwoven sheet

Difference in damage caused by friction

【Measurement Conditions】
JIS L 1076 Method C applied
Fiction applied 20 times with an appearance retention tester
Mimic skin (agar) used instead of friction plate
Base area of specimen holder : approx 13cm2
Pressing force of load : approx 3.92 N
(specimen holder, holder prop, and weight)

Bemliese filaments have a virtually circular cross-sectional structure compared to other filaments.
This reduces friction and helps to mitigate abrasive contact damage.