PPP-B-1672 Boxes, Shipping, Reusable With CushioningThis specification covers shipping boxes consisting of a fiberboard box with appropriate cushioning components for the intended use see 6.1.

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PPP-B-1672E

accordance with MIL-PRF-26514, 4.5.3.10 and MIL-STD-3010, Method 4046. Cushioning material specimen thickness shall be 1/2 inch (13 mm ) + 1/8 inch (3 mm ) -0 inch.

4.4.1 Electrostatic decay time test. A static decay time greater than 2 seconds shall be cause for rejection (see 3.1.2.4) when tested in accordance with MIL-STD-3010.

4.5 Corrosivity test. Anti-static cushioning material specimens shall be tested in accordance with MIL-STD-3010, Test Method 3005, Contact Corrosivity (see 3.1.2.5), except that the following four test surfaces shall be exposed for 72 hours:

a. AMS-QQ-A-225/6 aluminum, alloy 2024, temper T6.

b. IPC-4562A copper foil, designation 10 oz. (3050 g/m2).

c. Silver plated copper foil (foil same as 4.5.b.), plating thickness 100-200 micro inches

(2.54 x 10-3 mm - 5.1 x 10-3 mm).

d. SN63Pb37 tin-lead eutectic solder coated copper foil (foil same as 4.5 b.), coating thickness 200-500 micro inches (5.1 x 10-3 mm - 12.7 x 10-3 mm), J-STD-006.

Plated or coated test surfaces shall not be ground or abraded, but otherwise shall be prepared in accordance with 5.3.2.4 of MIL-STD-3010. After the exposure period, the presence of corrosion shall be cause for rejection. Corrosion shall be defined as exposure of the base metal, or a visible change in the surface finish such as pitting, etching, or formation of loose or granular particles; stain alone shall not be considered corrosion.

5. PACKAGING

5.1 Packaging. All packs must be fully assembled ready to use, upon submission to the government. Style A box's shall be closed and flaps secured (see 3.2.1.1). All packs consisting of one type, style, and size shall be submitted on each palletized load or inside each shipping container. The number of packs inside each shipping container is at the discretion of the

supplier. Preservation, packaging, and marking shall be as specified in the contract or order. All shipments shall conform to ASTM D3951.

5.2 Marking. Each shipping container or placard, for palletized loads, shall be marked in accordance with ASTM D3951, or as specified in the contract or purchase order.

6. NOTES

INFORMATION FOR GUIDANCE ONLY. (This section contains information of a general or explanatory nature that is helpful, but is not mandatory.)