Raw data shown in Fig 5.

The new material introduced by the ITTF in 2014 for table tennis balls has attracted significant attention from players and coaches. Changes in both material selection and production procedures are likely to have affected the static performance of the ball. However, the raw data regarding the elasticity and hardness of these new material balls, encompassing various brands and structures, often lacks practical information crucial for players’ rapid adaptation and daily training. The static properties tested in this study were provided by the ITTF, covering both hardness and elasticity. Based on computed variables, this study revealed that the hardness of seam balls at the equator was not consistently higher than that at the pole. Additionally, the study confirmed that the hardness and bounce height of new material balls exceeded those of celluloid. Furthermore, correlation analysis was conducted to examine the relationship between these two properties, revealing a significant correlation between the hardness of seamless balls and their elasticity. This study provides an analysis of the static performance of various types of new material balls, aiding players and coaches in better understanding official event balls and offering a theoretical foundation for the formulation of diverse training and game strategies.

国际乒乓球联合会（ITTF）于2014年推出的乒乓球新材料球，受到了运动员与教练员的广泛关注。材料选型与生产流程的双重变革，很可能对乒乓球的静态性能产生了影响。然而，现有关于此类新材料球弹性与硬度的原始数据，虽覆盖不同品牌与结构类型，却往往缺失可供运动员快速适配、支撑日常训练的关键实用信息。
本研究所测试的静态性能数据由国际乒乓球联合会（ITTF）提供，涵盖硬度与弹性两项指标。基于计算变量的分析结果，本研究发现有缝球（seam ball）赤道区域的硬度并非始终高于极区。此外，本研究证实，新材料球的硬度与弹跳高度均优于传统赛璐珞（celluloid）乒乓球。
进一步地，本研究通过相关性分析探究了两项性能间的关联，结果表明无缝球（seamless ball）的硬度与其弹性存在显著相关性。本研究针对各类新型材料乒乓球的静态性能展开系统分析，可帮助运动员与教练员更深入地理解官方赛事用球，并为制定多元化训练与比赛策略提供坚实的理论依据。