Bi-component Monofilament Yarn
July 8, 2020


At Ri-Thai we put our environmental and social commitments into practice while continuously striving for company growth. As early as in 2011 we began to introduce the line of MonoGreen™ monofilaments made from the following materials in pursuit of environmental sustainability.
These eco-friendly monofilaments facilitate the transition away from the “take, make, use and dispose” linear economy system to the circular economy system where the “reduce, reuse and recycle” closed loops are implemented.

●Circular economy system (click to know more)




Recycled PET

Recycled Nylon
(GRS certified)

Bio-PET, PTT, PA56
PA610, PA1010




Recycled PET (rPET) Monofilament Yarn

Today, the plastic waste issue and the global climate change are two of the most critical challenges the world needs to address.
Due to greenhouse gases such as CO2 emitted from various human activities and the increasingly accumulated carbon emissions since industrial revolution, we are seeing more and more cases of extreme weathers. The United Nations has established 17 Sustainable Development Goals (SDGs) and expects to achieve most of these goals by 2030.
More than one hundred nations have signed Paris Agreement and committed themselves to achieve the goal of Net Zero by 2050. With an increasingly global focus on sustainable development, "Net Zero" and "Carbon Neutral" initiatives have become international campaigns with the participation of several industrial leading brands such as Microsoft, Apple, Nike, as well as major automakers around the world.

The carbon emissions generated from using “recycled” plastics, in comparison to “virgin” plastics, is significantly lower. In addition, using recycled materials will help you in reducing carbon tax.

Through the following presentation, we would like to invite you to learn a little more about the global sustainable movements and our recycled PET (rPET) Monofilament Yarn at Ri-Thai.




Ri-Thai's Circular Economy System

Closing the "REUSE" Loop

All color MonoGreen™ monofilaments are dope (solution) dyed, which leads to superior color fastness and less environmental impact in comparison with those by other dyeing methods. Furthermore,biodegradable monofilament is by nature more durable and proved less prone to shed microfibers in the wash than staple fiber and multifilament. When used in textiles, MonoGreen™ monofilaments enable better reusability and reduce microfiber pollution in the oceans.

Closing the "RECYCLE" Loop

Despite being a less sustainable alternative than reuse, re-manufacture or repair, recycling is an important and necessary component of a circular economy. This can be evidenced by the fact that an increasing number of recycled polymers are commercially available on the market.

Closing the "CARBON" Loop

“Anything that wears out or degrades during use belongs to the biosphere,” says Prof. Dr. Michael Braungart, who developed the Cradle to Cradle® design concept in 1990s. In his concept, materials are returned to the biosphere in the form of compost or bio-degradable waste, from which new materials can be created.