New non-volatile and non-toxic macromolecular compounds are formed in the form of covalent bond with formaldehyde, which will capture the aldehydes in the air and will not precipitate again.
Dope-dyed fiber
The raw material of Anshun dope-dyed fibers has a sheath-core structure. The color masterbatch is added to the PET core layer, with no precipitation or fading. The color masterbatch has passed third-party authoritative certification, ensuring it is safe and reliable.