SOBI2

12 August 2004
SUPERSEDING MIL-E-6060D 2 November 1982
BAGS, WATERVAPORPROOF, HEAT-SEALABLE, COMPLEX

1. Scope. This specification covers heat-sealable, watervaporproof bags of complex construction for use in military preservation applications.
MIL-DTL-6060E DEPARTMENT OF DEFENSE SPECIFICATIONS
MIL-PRF-131 -   Barrier Materials, Watervaporproof, Greaseproof, Flexible, Heat-Sealable.

2. MIL-DTL-6060E   Features. Watervaporproof bags shall have one or more of the following features :
a.   One or more double-seam heat seals; i.e., a horizontal seam joining a vertical seam at any point other than at the open end or bottom of the bag.
b.   One or more transparent inspection windows.
c.   Gasketed holes for hold-down.

3. Identification. Bags shall have identification markings made with water-resistant ink on each outer side of the bag.
MIL-DTL-6060E
4. Inspection windows. Unless otherwise specified, inspection windows shall conform to the requirements below:
Window material. Inspection windows shall be constructed of material conforming to MIL-PRF-22191, type I.
Window dimensions. Unless otherwise specified, for bags having both outside length and width dimensions greater than 36 inches, the window shall be 4 inches by 8 inches and the window material shall be 6 inches by 10 inches. For smaller bags, the window shall be 2 inches by 4 inches using window material 4 inches by 6 inches.
Mounting of window. The window material shall be centered under the window aperture in the barrier material and completely heat-sealed in place. The heat-seal shall form a continuous bond that meets the requirements
5. Gaskets shall have a nominal thickness of 0.062 ± 0.010 inch and shall be made of any resilient material that forms a seal and meets the requirements.
Gasket adhesive. A water-resistant adhesive shall be used for mounting the gaskets to the barrier material.
Gasket mounting. Gaskets shall be attached to the inside and outside of the envelope, shall coincide with their paired members, and shall not be positioned within 1 inch of the inside line of any seam.

MIL-DTL-6060E TABLE I. Performance requirements.

Seam strength
No separation.
Double-seam leakage
No evidence of leakage at double-seam joint.
Inspection window mounting integrity
No evidence of leakage through or around the perimeter of the window.
Gasket mounting integrity
No evidence of separation or degradation of gasket; no leakage around gasket/bolt area.

MIL-DTL-6060E
HEAT-SEALED SEAM
BOLT
NUT
METAL WASHER
LOCKWASHER
BARRIER MATERIAL
GASKETS
WOOD BASE 6 X 6 X 3/4 IN.
METAL WASHER