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Textile “Fertilizer” — CELYS™ (Sailisi®) Fiber
Due to severe plastic pollution around the globe, many countries have raised strict standards for the application of eco‑friendly plastics. Furthermore, even with proper waste management measures for post‑use plastics, a portion of them will still leak into the natural environment and become persistent waste. Therefore, sustainable textile fibers like CELYS™ have become an ideal alternative to reduce plastic‑related environmental risks.


Some synthetic fibers, including PET polyester and nylon, are commonly applied in the textile industry. However, these ordinary fibers are hardly biodegradable in the natural environment for nearly 200 years. In addition, they easily break down into tiny particles and trigger serious microplastic pollution worldwide.

As both domestic and global markets increasingly acknowledge serious threats such as microplastics caused by plastic waste, consequently, biodegradable polyester fibers have been widely identifie and accepted as the optimal textile substitute. Besides, they effectively cut down long‑term environmental pollution brought by traditional synthetic fibers.
In 2021, the research team from Intimiti Australia Pty Ltd innovatively introduce CELYS™ biodegradable polyester fiber. As a result, this breakthrough kicke off the era of biodegradable polyester fibers.

CELYS™ fiber is an innovative polyester material, different from ordinary polyester modified simply by additives. On the contrary, it is a biodegradable polyester fiber develope by Intimiti’s scientific team after six years of research. Specifically, it applies third‑monomer technology and exclusive polymerization techniques. Ultimately, it realizes the “genetic‑level” reconstruction of its chemical molecular structure for better biodegradability. Notably, under industrial composting conditions, CELYS™ fiber reaches a biodegradation rate of 95.4% in just 179 days, showing excellent eco‑friendly performance.




Nevertheless, the above four biodegradation approaches face obvious limitations. Firstly, discarde waste is exposed to highly complex natural conditions. In addition, no globally unifie testing standards have been established, with only regional standards available currently.
In comparison, industrial composting stands out as the most feasible biodegradation approach with well‑controlle testing environments. In addition, it complies with international unifie standards, allowing official compost certification and relevant certificates. Consequently, industrial composting‑base degradation will dominate future waste treatment solutions.

