Unverified80% confidenceDecision RuleTime unknown
医用级PVC材质在低温环境下会变硬，冬季使用前建议在室温下放置回软，避免冷硬管体刺激气道黏膜
1
Sources
80%
Confidence
Long-term
Relevance
-
First Seen
Sources
Related Entities
Related Claims
Unverified低温环境（零下）下PVC材质会变硬变脆，寒区户外应选耐低温TPU或加厚材质款，普通PVC冬季易开裂漏气89% similarUnverifiedPVC材质在低温环境下会变硬变脆，冬季或寒冷地区使用容易开裂，耐用性明显下降88% similarUnverifiedPVC材质在低温环境下会变硬变脆，冬季户外或寒冷地区使用时密封性和柔韧性可能下降88% similarUnverifiedPVC材质在低温环境下会明显变硬变脆，冬季户外或冰水环境使用需注意密封性能可能下降87% similarUnverified折叠后体积扁平便于收纳，但PVC材质在低温环境下会明显变硬变脆，冬季露营需注意防护86% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/767819API
curl https://kongchang.com/api/v1/knowledge/claims/767819MCP
get_claim(id=767819)