
Fusing parameters and peel strength
Temperature, pressure and time — FZ/T 01085 peel, wash remaining, and the failure modes that look like ‘bad interlining’ but are a press.

Salt spray testing for plated garment hardware
ISO 9227 NSS versus acetic and CASS tests — what white rust and red rust mean on a zipper pull or sew-on, and how many hours to ask for.

Fusible coatings on interlining: scatter, paste, powder-dot and double-dot
How PA, PES and PE hot-melts are laid on a base — scatter, engraved powder-dot, paste-dot and double-dot — and what each is for.

Interlining: woven, knitted and nonwoven
The garment skeleton between shell and lining — woven, weft-insert knit and nonwoven bases, and how GB/T 31903 talks about them.

Testing buttons in the lab
Pull-off, wash, abrasion, colour fastness, nickel and formaldehyde — which tests belong on a button and which belong on the garment.

Embroidery thread for appliqués and fashion motifs
Viscose rayon, polyester, mercerised cotton and metallic yarns — which embroidery thread belongs on a washable appliqué.
