Unverified75% confidenceFactTime unknown

PP聚丙烯周转箱耐温范围约-20℃至80℃，抗冲击性优于PVC，市面折叠箱多采用PP材质，箱壁厚度2-3mm为常见承重款

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UnverifiedPP聚丙烯材质耐温范围约-20℃至100℃，冬季无供暖低温环境比PVC材质更抗脆裂，是床底长期存储的常见优选材质88% similar UnverifiedPP聚丙烯材质耐温范围约-20℃至100℃且可反复水洗、耐油污，是厨房和冰箱内收纳的通用安全材质；PVC材质耐温和耐候性较差，不宜接触食物85% similar UnverifiedPP聚丙烯材质耐低温可到-20℃仍不脆裂，适合冷冻室长期使用；PS聚苯乙烯材质在-5℃以下易脆断，只适合冷藏室85% similar

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