广东费飘职业故本学院 Guangdong Inatitute of Textile Technology Properties of wool fibers 口 Mechanical properties relatively low strength or tenacity high elastic recovery high flexi bility ■ high resilience ■| ow initia|modu|us ow abrasion resistance ■ ow stiffness ■| ow toughness properties change as water absorption changesProperties of wool fibers ❑ Mechanical properties: ◼ relatively low strength or tenacity ◼ high elastic recovery ◼ high flexibility ◼ high resilience ◼ low initial modulus ◼ low abrasion resistance ◼ low stiffness ◼ low toughness ◼ properties change as water absorption changes