Nnɛyi ntama mfiridwuma ma ntama a wɔanwene no tumi yɛ den yiye na ɛnam akwan a edidi so yi so trɛw sɛnea wɔde di dwuma mu:
1. Fa nhama a ɛyɛ den afrafra: Sɛ wode 5%-10% spandex (te sɛ Lycra) ka ho a, ebetumi ama ahoɔden a ɛyɛ den no atu mpɔn kɛse. Sɛ nhwɛsoɔ no, stretch denim no stretch rate betumi adu 20%-25% (data source: International Federation of Textile Manufacturers).
2. Nneɛma titiriw a wɔfa so nwene:
- Stretch woven fabrics: Sɛ wode pre-shrinked yarns anaa elastic warp yarns di dwuma a, ɛma ntama no tumi trɛw kɔ akwan abien so;
- Twill/satin weaves: Nsakraeɛ a ɛkɔ soro denam nsɛntitiriw a ɛka bom no nkyekyɛmu a wɔbɛsesa so.
3. Finishing techniques: Te sɛ mfiri pre-shrinking anaa nnuru a ɛma ahomegye ayaresa, betumi ama ntama ntrɛwmu atu mpɔn.
