Dai ni na prat na textile hpaji masa gaw, hpun palawng ni a elasticity hpe grau kaja hkra galaw ya nna, lawu na ladat ni hku nna, shanhte a jai lang ai lam hpe jat wa shangun ai:
1. Elastic fiber ni hte kayau kaya galaw ai: 5%-10% spandex (Lycra zawn re ai) hpe kayau kaya galaw yang, elastic hpe grai kaja hkra galaw ya lu ai. Ga shadawn, n-gun rawng ai denim a n-gun rawng ai lam gaw 20%-25% du hkra rai lu ai (data source: Mungkan ting na hpun palawng galaw ai ni a hpung).
2. Laksan hpun palawng chywi ai ladat ni:
- Hkrang shapraw ai hpun palawng ni: Pre-shrinked hpun palawng (sh) elastic warp hpun palawng ni hpe lang ai gaw, hpun palawng hpe lahkawng maga hku shinggrup lu ai atsam jaw ya ai;
- Twill/satin weaves: Langai hte langai garan ginhka ai lam hpe galai shai ai hku nna, n-gun jat wa ai.
3. Hpang jahtum galaw ai ladat ni: Mechanical pre-shrinking (sh) chemical relaxation ladat ni zawn re ai ni gaw, hpun nba hpe galu kaba wa hkra galaw ya lu ai.
