Polar Freeze-Retention Times

Ice Cream Test

Product: PB 27
Test Specifications:
    Interior Capacity Size: 27 Cubic Feet
    Dry Ise Use: None
    Product Used: Ice Cream
    Capacity: Full
    Container put on non-insulated, non-refrigerated trailer in hot sun at 11:00 am, ambient        
    temperature 88⁰ Fahrenheit. Note: Unit pre-colled in -18⁰ freezer.

Time	Elasped Time	Ambient Temperature	Temperature Interior Container	Ice Cream Product Composition
11:00 am	Start	88o	-18o	Hard
5:00 pm	6 hours	84o	-8o	Hard
5:45 pm	6 hrs. 45 min.	85o	-8o	Hard
6:30 pm	7 hrs. 30 min.	80o	-5o	Firm
8:00 pm	9 hours	70o	-4o	Firm
9:00 pm	10 hours	70o	-4o	Firm
10:00 pm	11 hours	70o	-4o	Firm
11:00 pm	12 hours	70o	-20o	Firm
12:00 am	13 hours	68o	0o	Firm

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Upright Container Testing

Product: PB 55
Frozen Foods Used for Test
CO2 bunker charged with approximately 80 lbs. of snow
Probe 1: Product temperature at bottom
Probe 2: Product temperature at 36"
Probe 3: Product Temeprate at 48"
Probe 4: Product tmerperature at top air space

Elasped Time	Probe #	Product Temperature (oF)
6 hours	1	-31.9o
	2	-5o
	3	-23.7o
	4	-34.1o
12 hours	1	-16.1o
	2	-3.1o
	3	-12.9o
	4	-12.9o
18 hours	1	-3.1o
	2	-4.8o
	3	-0.4o
	4	8.4o
24 hours	1	8.0o
	2	-1.2o
	3	17.7o
	4	30.9o

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Estimated Frozen Times

Product: PB 27	Non-Frozen Container No Dry Ice No Cooled Truck	Non-Frozen Container Dry ice No Cooled Truck	Non-Frozen Container No Dry Ice Cooled Truck
Ice Cream	1-2 hours	4-6 hours	6-8 hours
Frozen Food	2-4 hours	4-6 hours	6-8 hours

Product: PB 27	Frozen Container No Dry Ice No Cooled Truck	Frozen Container Dry ice No Cooled Truck	Frozen Container No Dry Ice Cooled Truck
Ice Cream	2-4 hours	8-10 hours	12-24 hours
Frozen Food	4-6 hours	10-12 hours	12-24 hours