[KongchangAI]
Unverified80% confidenceDecision RuleTime unknown

橡胶材质热水袋耐温性和贴合性优于PVC,可承受95℃以上热水且不易硬化开裂,适合直接接触皮肤热敷;PVC材质便宜但低温易变硬、老化快,建议用于外套内不直接贴身

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