Hostaform C13031是一種未填充的縮醛共聚物。它很容易流動。與C 13021級相比，Hostaform在整個允許溫度范圍內具有更高的強度、剛度和硬度。對溶劑、燃料和強堿具有良好的耐化學性、良好的抗水解性以及對熱降解和氧化降解的高抗性。通過注塑加工。

Hostaform C13031 is an unfilled acetal copolymer. It is easy-flowing. Possesses higher strength, rigidity and hardness over the entire permissible temperature range for Hostaform as compared to C 13021 grade. Exhibits good chemical resistance to solvents, fuel and strong alkalis as well as good hydrolysis resistance along with high resistance to thermal and oxidative degradation. Processed by injection molding.