A. Requirements
The 9L-EPS insulated box must maintain an internal temperature of 0℃ for more than 36 hours in a constant temperature environment of 32℃.
B. Configuration Parameters
1. Basic Information of EPS Insulated Box + Ice Packs
|
Information Type |
Details |
|
EPS Insulated Box |
External Dimensions (mm): 375 345 315 |
|
Ice Pack Quantity (Parameters): |
12 pieces (500g 0℃ biological ice packs) |
|
Effective Size mm (Volume L): |
230 200 195 (9L) |
|
EPS Insulated Box Weight (kg): |
0.48 kg |
|
EPS Insulated Box + 12 Ice Packs Total Weight (kg): |
0.48 + 6.0 = 6.48 kg |
2. Basic Information of EPS Insulated Box + Ice Packs
|
Information Type |
Details |
|
EPS Box External Dimensions (mm): |
375 345 315 |
|
EPS Box Wall Thickness (mm)： |
40 |
|
EPS Box Internal Dimensions (mm): |
295 265 255 |
|
EPS Box Volume (L): |
20 L |
|
EPS Box Weight (kg): |
0.48 kg |
3. Basic Information of Ice Packs
|
Information Type |
Details |
|
Ice Pack Dimensions (mm): |
210 * 135 |
|
Ice Pack Phase Change Point (℃): |
0℃ |
|
Ice Pack Weight (kg): |
0.5 kg |
|
Ice Pack Quantity (pcs): |
12 个 |
|
Total Ice Pack Weight (kg): |
6.0 kg |
C. Test Results
Test Curve and Data Analysis:
In a test environment of 27.7~33.3℃ (average 31.1℃), the insulation duration at various points is as follows:
|
Position |
Duration Maintaining 0~10℃ (hours) |
| Bottom |
45.1 |
| Center |
44.8 |
| Top |
39 |
D. Test Conclusion
In a test environment of 27.7~33.3℃ (average 31.1℃), the 9L-EPS (0~10℃) insulated box maintained an internal temperature of 0~10℃ for 39 hours.