产品规格（Product Specifications）：
外径13mm～51mm
Outer Dia.
13mm-51mm
产品说明：
本产品由PP材料加热吹塑而成，具有使用简单方便 ，伸缩自如，化学稳定性好，耐碱、耐酸，适用医疗设备呼吸管道，玩具等特殊要求用管。
Product Features:
This
product is made of PP material by heating and blow molding process, featuring
easy usage, flexibility, stable chemical performance, alkali resistance and
acid resistance. It is suitable for piping of medical treatment apparatus and
toys.