Unverified85% confidenceFactTime unknown
空心结构滚轮相比实心泡沫款更轻、承重更强且不易塌陷变形，多数中高端款采用ABS/PP空心轴心外包EVA的复合结构
1
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85%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified空心PVC内芯结构使其承重能力强、不易变形，但相比实心EVA泡沫轴重量更大，不太方便携带外出75% similarUnverified空心结构（ABS内芯+EVA外层）更轻便耐用不变形且承重强，但价格高；实心EVA/EPP更便宜但高密度款较重、低密度款易压塌74% similarUnverified空心结构（内置ABS/PVC硬管+外层泡棉）承重更高、不易压塌变形，适合体重较大或需长期使用者；实心结构（纯EVA/EPP）更轻但长期高压下可能出现凹陷记忆74% similarUnverified空心结构（PVC/ABS内芯外包EVA）承重能力强、不易变形塌陷，长期耐用性优于实心EVA；实心轴虽轻便但高体重者长期使用易压塌失去支撑力72% similarUnverified材质越硬越耐用（ABS/亚克力）则越重越脆，亚克力盒硬度高透明度好但跌落易碎裂且价高，随身外带场景反而适合软硬适中的PP或EVA收纳包72% similar
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