全部

1·High gloss, boiling water resistance, bending.

高光泽，耐水煮，抗弯折良好。

2·The aging mechanism and aging behavior of polyacetal in boiling water and the methods to improve its resistance to toiling water were discussed.

讨论了聚甲醛的沸水老化机理、沸水老化行为及改善聚甲醛耐沸水性的方法。