Unverified85% confidenceDecision RuleTime unknown
缓冲优先选高密度硅胶（邵氏硬度40-60A）而非普通EVA泡棉：硅胶回弹性好、耐候不易开裂，EVA便宜但夏季高温易变形、冬季变硬失去缓冲
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Unverified硅胶材质相比EVA泡棉更耐老化、耐高低温，密封防水性更好，但硬度偏高、缓冲柔软度略逊87% similarUnverified选购防撞角优先选医用级/食品级硅胶材质，硅胶回弹性和缓冲吸能优于EVA和普通泡沫，长期使用不易硬化开裂；EVA材质在低温环境（如北方冬季暖气不足房间）易变硬失去缓冲作用86% similarUnverified硅胶材质软、缓冲好但自重轻、粘贴面积小易脱落；EVA硬度稍高、背胶接触面大更牢固——追求安全选硅胶，追求持久选EVA85% similarUnverified材质优先食品级硅胶或EVA，避免PVC软塑料（含增塑剂风险，且低温易发硬、高温易析出气味）；硅胶款邵氏硬度建议30-50A之间，太软易被门风吹落、太硬夹合时仍有一定冲击83% similarUnverified硅胶垫柔软舒适但耐磨性差、易存菌变味，热塑EVA耐用但偏硬——追求舒适选硅胶但需接受更频繁更换，追求耐用选EVA83% similar
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