缩醛方形棒提供高强度和刚度，同时具有增强的尺寸稳定性和易加工性。作为半结晶材料，缩醛的特征还在于低摩擦系数和良好的耐磨性，尤其是在潮湿环境中。由于其高强度，模量，抗冲击和抗疲劳性，Acetal Square Bar Stock被用作减重金属的替代品。由乙缩醛共聚物制成的零件克服了大型乙缩醛均聚物（又名Delrin）中心线孔隙率的问题
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