Unverified88% confidenceDecision RuleTime unknown
冷冻保鲜袋需选择耐低温标注≤-18℃的PE材质，普通PE袋在-18℃以下会变脆开裂导致漏汁，而LDPE（低密度聚乙烯）低温柔韧性优于HDPE
1
Sources
88%
Confidence
Long-term
Relevance
-
First Seen
Sources
Related Entities
Related Claims
Unverified冷冻用保鲜袋应选耐低温标注≤-20℃的PE材质，普通保鲜袋在-18℃冷冻室易脆化开裂导致串味87% similarUnverified冷冻用袋优先选PE材质且厚度≥0.03mm（30微米），低温下更抗脆裂；普通薄款PE在-18℃冷冻室易变硬破裂导致漏汁85% similarUnverified标注可冷冻的袋需材质为PE低密度款(LDPE)，PP材质耐热但低温易脆；同理需微波加热的选PP，需冷冻的选PE，两者难兼顾85% similarUnverified冷冻用途需选耐低温标注≤-18℃至-40℃的产品，普通保鲜袋在-18℃冷冻室会变脆开裂，PE材质冷冻专用袋厚度通常≥0.04mm84% similarUnverified冷冻用途选耐低温≤-20℃且厚度≥0.02mm(双层)的加厚袋，薄款PE在冷冻后变脆易破裂漏汁83% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/388101API
curl https://kongchang.com/api/v1/knowledge/claims/388101MCP
get_claim(id=388101)