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Cooler bag ice retention test data sheet
Your Performance-Verified Partner for Delivery Bags, Food Delivery Bags, and Insulated Solutions
For B2B procurement managers sourcing cooler bags, delivery bags, food delivery bags, insulated delivery bags, or cooler backpacks, thermal performance is non-negotiable. A cooler bag ice retention test data sheet is not just a marketing claim—it is verifiable evidence that your cold chain packaging performs as specified across the supply chain, from fleet logistics to end-customer delivery.
What an Ice Retention Test Data Sheet Validates
An ice retention test data sheet documents the time a cooler bag maintains internal temperatures below defined thresholds under controlled conditions. For food-contact applications, the critical benchmark is maintaining contents below 4°C—the food safety limit. For frozen goods, performance must be validated at -18°C under ambient exposure.
Industry benchmarks for soft cooler bags and cooler backpacks typically range from 12 to 48 hours, depending on insulation thickness, material quality, and usage conditions. Premium designs with closed-cell foam insulation and leakproof zippers have demonstrated up to 36–91 hours of ice retention
Why Obaili for Ice Retention Test Documentation
Xiamen Obaili Manufacturing Ltd. brings 21+ years of OEM/ODM expertise in delivery bags, food delivery bags, cooler bags, insulated delivery bags, and cooler backpacks. Our 16,000 m² Xiamen facility and 17,000 m² Cambodia operations enable rigorous, repeatable thermal performance testing.
Obaili Ice Retention Validation – Real-World Performance
25mm PE foam insulation in our delivery bags and food delivery bags delivers 18+ hours ice retention under sealed laboratory conditions—field-tested with courier cooperatives
Food-grade aluminum foil inner liners with diamond-patterned corners ensure even cold-air distribution and tear resistance
Zero-leak validation: Each bag is tested with 0°C ice water for 24 hours—waterproofing is verified at the component level
Load-bearing certification: All products undergo vibration testing before mass production, ensuring structural integrity during thermal stress
Complete Performance Documentation – Every Shipment
Every cooler bag from Obaili ships with:
Ice retention test data sheet – documenting time-to-temperature thresholds under standardized protocols
Material specification – insulation type, thickness, and R-value data
Leakproof certification – water-penetration test results
PPWR Declaration of Conformity – linking thermal performance to EU food-contact compliance
