Featured Services - Government Packaging
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Government purchases totaled over $415 billion during the 2006/2007 fiscal year and over 90 billion of those purchases were awarded in the form of contracts to small businesses. These contracts sometimes include required government packaging specifications.
Combined Containerboard manufactures a complete line of government specs of weather resistant sheets utilizing V3c, W5c, V11c materials. Other government board combinations are available, based upon demand.
These special water resistant liners and mediums along with WPA adhesive have been found to be very applicable to domestic weather resistant applications.
Please contact your CORRCHOICE sales professional for assistance in helping you in meet your government packaging requirement or how this material might be used to solve a customer’s weather or moisture related issue.
Type Corrugated Fiberboard, Weather Resistant, Weather Resistant/Fire Retardant, and Water and Water Vapor Resistant Classes (WWVR)
| Variety | GradeA,C | Thickness, in. [mm]B | Burst Strength, psi [kPa], min avg |
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| Corrugating Medium | Outer Facings | Dry | WetD | |||||
| SW | V3c | 0.010 [0.254] | 0.023 [0.584] | 400 [2758] | 150 [1034] | |||
| SW | W5c | 0.010 [0.254] | 0.016 [0.406] | 275 [1896] | 100 [689] | |||
| DW | V11c | 0.010 [0.254] | 0.023 [0.584] | 600 [4137] | 300 [2068] | |||
A Includes WWVR grades.
B A -5%, or unlimited plus tolerance shall be permitted.
C For doublewall fiberboard, the inner facing shall be the same thickness as the outer facing.
D After 24 hours immersion.
Book: Selected ASTM Standards on Packaging, Fourth Edition
Pg: 282, Table 2
Size and Weight Limitations for Class Weather Resistant (WR) and Water and Water Vapor Resistant (WWVR) Fiberboard Boxes Used as Exterior ContainersA
Note - The gross weight and size limit expressed in the circular or rectangular boxmaker's certificate shall conform to the requirements of the Uniform Freight Classification or Nation Motor Freight Classification Rules, as applicable, and may not necessarily be the same as those stipulated in this table.
| GradeB [Compliance Symbol] |
Maximum Weight of Boxes and Contents |
Max Inside Dimensions (Length + Width + Depth) |
|||||
| lb | kg | in | mm | ||||
| V3c | 90 | 40.8 | 90 | 2286 | |||
| W5c | 65 | 29.5 | 75 | 1905 | |||
| V11c | 160 | C | 72.6 | 120 | 3048 | ||
A Not applicable to interior boxes.
B Reference Specification D 4727 for specific details of construction.
C Maximum weight may be increased to 225lb [102kg] provided the manufacturer's body joint is fastened with metal fasteners spaced not more than 1 in. [25 mm] apart [See 8.1.8].
Book: Selected ASTM Standards on Packaging, Fourth Edition
Pg: 314, Table 2
*Other Grades Available Depending On Order Size
