(THIS IS AN EXCERPT OF MIL-P-130 MILITARY SPECIFICATIONS AS PROVIDED BY THE US GOVERNMENT. FOR THE COMPLETE AND CURRENT DOCUMENT, VISIT THE US DEPARTMENT OF DEFENSE ASSIST.DLA.MIL)
MIL-P-130F
30 September 1985
SUPERSEDING
MIL-P-130E
3 February 1978
MILITARY SPECIFICATION
PAPER, WRAPPING, LAMINATED AND CREPED
This specification is approved for use by all Departments and Agencies of the Department of Defense.
1. SCOPE
Scope. This document covers creped wrapping paper, laminated or treated if necessary, for use as a protective cover or wrapper.
2. REQUIREMENTS
Material – The wrapping material shall be made from paper and such nonbituminous laminating or treating materials to ensure compliance with the requirements of this document. Recycled material may be used.
Physical properties – The finished material shall conform to the applicable physical properties specified in table I when tested as specified in 4.3.
TABLE I. Physical Properties.
|
Characteristics |
Type I |
Requirement Type II |
Type III |
| Basis Weight (24 / 36-500) creped, minimum, in pounds | 150 | 125 | 100 |
| Stiffness, most flexible direction, maximum, in grams | 200 | 100 | 50 |
| Tearing resistance, weakest direction, minimum, in grams | 250 | 200 | 150 |
| Tensile strengthen, one-way creped only, in weakest direction, minimum, in pounds per inch | 30 | 25 | 2?? |
| Bursting strength, two-way creped only, minimum, in p.s.i | 40 | 35 | ?? |
Acid Content – The water soluble acidity of the finished material shall be not more than 0.02 percent (calculated as sulfer trioxide, SO3), when tested.
Blocking – Finished material, when tested, shall not adhere to itself, causing tearing or surface damage.
Creping – The wrapping paper shall be creped either one-way or two-way. The finished material, when made from one-way creped material, shall have a minimum stretch of 20 percent in one direction; for two-way creped material, the stretch in either direction shall be not less than 15 percent when tested.
Size and roll construction – Wrapping paper shall be furnished in rolls of the length and width specified. Rolls shall be wound uniformly and smoothly on nonreturnable cores of 3-inch inside diameter with a plus 1/8-inch tolerance. The core length shall be not less than the specified roll width nor greater by more than ¼ inch. Cores shall be fitted with a plug at each end having a 1-inch diameter center hole having plus 1/4-inch tolerance. Rolls shall be suitably restrained to prevent unwinding.
Roll Tolerance
– Width. A plus 1/8-inch and a minus 1/16-inch tolerance shall be permitted when the paper is creped in the cross direction and a plus or minus 1/8-inch tolerance shall be allowed when creping is in the machine direction or in both directions.
– Length. The length of any individual roll shall be not les than 95 percent of the specified length. The average length of rolls in any one lot shall not be less than specified length.
– Splices. Splices shall cover the entire roll width. Splices shall not separate during unwinding of the roll. No roll shall have more than one splice in any 50-yard length of the material. Each splice shall be tagged with a color marker.
Identification – Wrapping paper shall be marked by printing the applicable document symbols (MIL-P-130), the applicable type (I, II, or III), and the year and month of manufacture at least once in each 3 feet of length and at least once in each 18 inches of roll width.
Workmanship – The wrapping paper shall be clean and free from wrinkles, folds, tears, holes, cuts, abrasions, foreign matter, oil spots, and surface dirt and dust. Edges shall be clean cut.
6. NOTES
Intended Use – The laminated wrapping paper is used primarily as a protective cover or wrapper over grades A and C greaseproof wrappers (MIL-B-121) for added protection against mechanical damage; as a contacting wrapper on nonprecision parts where a greaseproof wrapper is not used or required, as a packaging wrapper on parts or articles where use of a carton would waste shipping space; and as a protective hand around the periphery of cylinders on completed radial type engines or a complete cover for in-line-type engines. This material is not intended for use as a substitute for waterproof barrier material.