1、 A-A-5 8 07 8 W 9999974 0372098 551 INCH-POUNDS A-A-58 07 8 SeDternber 2, 1996 SUPERSEDING MIL-P-83668A April 8, 1988 COMMERCIAL ITEM DESCRIPTION PLASTIC BOARD (FOR PACKAGING APPLICATIONS) The General Services Administration has authorized the use of this commercial item description as a replacement
2、 for $Type I (profile extrusion) and Type II (laminated corrugated) plastic board of MIL-P-83668 for all federal agencies. 1. SCOPE This commercial item description covers plastic board primarily for use in the fabrication of shipping containers. may also be used in the fabrication of pads, partitio
3、ns, and cut shapes. Plastic Board sleeves, box liners, 2. CLASSIFICATION Plastic boards shall be of the following types: Type i - Profile extrusion Type II - Laminated corrugated 3. SALIENT CHARACTERISTICS 3.1 Materials. The plastic board shall be produced from a single material of uniform compositi
4、on. polyethylene, polypropylene, ethylene copolymer, or propylene copolymer. polyethylene, polypropylene or copolymers, the procuring activity The material shall be When the plastic board is available in either Beneficial comments (recommendations, additions, deletions) and any pertinent data which
5、may be of use in improving this document should be addressed to the Air Force Packaging Technology and Engineering Facility, AFMC LSO/LOP, 5215 Thurlow Street, Wright-Patterson AFB OH 45433-5540, by using the self- addressed Standardization Document Improvement Proposal Form 1426) appearing at the e
6、nd of this document or by letter. (DD AMSC N/A FSC 8135 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. Licensed by Information Handling ServicesProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A- 5 8 O 7 8 may spec
7、ify the desired material. When the plastic board specified is intended for food applications, the material shall conform to 21 CFR Federal Food, Drug, and Cosmetic Act, Food Additive Amendment, Paragraph 121,2501 of Subpart F (see 4.2 and 7.2). 3.2 Color. Material shallbe of the color specified. 3.3
8、 Form. The finished plastic board shall be furnished in flat sheets. The sheets shall lay flat within 1/8 in. (3.2 mm) when tested in accordance with the following “Flatness Test“: Specimens 12 in. x 12 in. (304.8 mm x 304.8 nun) shall be cut from the middle of the sheets. Condition the specimens in
9、 accordance with 3,5, Place the specimens on a flat surface and measure the maximumvertical distance from the surface to the underside of the specimen. 3.4 Construction. 3.4.1 TvDe I. Type I plastic board shall be a profile extrusion with two facings separated by ribs. 3.4.2. TVKY e II. Type II plas
10、tic board shall be in a laminated structure with two facings separated by a corrugating medium. 3.5 Test conditions for Dhvsical QroDerties. Unless otherwise specified,. specimens being tested for flatness (see 3.3), basis weight (see 3.6.11, thickness (see 3.6.2) and bending qualities (see 3.6.5) s
11、hall be conditioned for a minimum of 24 hours at 73.4“F f 2F (23T f 2T) .and 50 percent relative humidity (RH). 11 5 percent RH. Heat deflection (see 3.6.3)and Izod impact (see 3.6.4) test specimens shall be preconditioned for a minimum of 24 hours at 65*F to 85F (18.3OC to 29.4T). 3.6 Phvsical Drog
12、erties. 3:6.1 Basis weight. The basis weight shall not be less than the lower limit nor greater by more than 5 percent of the upper limit of the basis weight range specified (see 7.2) when tested in accordance with the following “Basis Weight Test“: With the exceptions specified in 3.5 and this para
13、graph, basis weight shall be determined in accordance with ASTM-D646. A minimum of five test units from the same plastic board sheet with minimum dimensions of 10 in. x 10 in. (254 mm x 254 mm) shall be used for a basis weight determination. The basis weight shall be determined for each of two sheet
14、s. 3.6.2 Thickness. The board thickness provided by the manufacturer shall be appropriate for the specified basis weight. No single thickness measurement shall vary by more than f 10 percent from the manufacturers designated thickness when tested in accordance with the following “Thickness Test“: Wi
15、th the exceptions specified in 3.5 and this paragraph, thickness shall be determined in accordance with TAPPI-T411. Five representative 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- A-A-58078 7777774 0172100 T3T H A-A-58078 test specimens, with
16、minimum dimensions of 3 in. x 5 in. (76.2 mm x 127 mm), shall be cut from each sheet of plastic board. five non-overlapping points. specimens from each of two sheets shall be determined. 3.6.3 Deflection temDerature at 66 ssi 1455.1 Ksa). The material from which the board is produced shall have a mi
17、nimum deflection temperature of 150F (65.6“C) at a fiber stress of 66 psi (455.1 KPa) when tested in accordance with the following “Deflection Temperature at 66 psi 1455.1 Kpa) Test“: Except as specified in 3.5 and this paragraph, the deflection temperature at a fiber stress of 66 psi (455.1 KPa) sh
18、all be determined in accordance with ASTM-D648. Test specimens shall be produced from the same material used in fulfilling the contract with molding conditions being those recommended by the manufacturer of the material. Test specimens shall be 1/4 in. x 1/2 in. x 5 in. (6.4 mm x 12.7 mm x 127 mm).
19、3.6.4 Notched Izod imDact s trenath at 0F (-17.8(C). The material from which the board is produced shall have a minimum notched Izod impact strength (i.e., energy per unit length of notch) of 0.7 ft-lb./in. of notch (0.10 Kg-m/cm of notch) at 0F (-17.8OC) when tested in accordance with the following
20、 “Notched Izod Impact Strength at OOF (-17.8OC) Test“: With the exceptions specified in 3.5 and this paragraph, the impact resistance at 0F (-17.8OC) shall be determined in accordance with Method D of ASTM-D256. Test specimens shall be produced from the same material used in fulfilling the contract
21、with the molding conditions to be those recommended by the manufacturer of the material. Test specimens shall be 1/4 in. x 1/2 in. x 5 in. (6.4 mm x 12.7 mm x 127 mm). Three determinations shall be conducted. 3.6.5 Bendincr aualities. The plastic board shall show no visual surface breaks or cracks w
22、hen tested in accordance with the following “Bending Qualities Test“: Specimens, 12 in. x 12 in. (304.8 mm x 304.8 mm), shall be scored parallel and perpendicular to the direction of the ribs or corrugating medium. specimen shall be inspected for score line surface breaks or cracks. Cracks or breaks
23、 occurring at the intersection of score lines shall be disregarded. The specimen shall then be folded 180 degrees toward one facing and 180 degrees toward the other along the scoreline both parallel and perpendicular to the direction of the rlbs or corrugating medium. be inspected for breaks or crac
24、ks after folding. qualities of one test specimen from each of two sheets shall be determined. The thickness of each test specimen shall be measured at The thickness of five test Five determinations shall be conducted. The test The specimens shall The bending 3.6.6 Flute T-see1 strenath (TD e II onlv
25、). Type II plastic board, with basis weight of 140 pounds per 1000 square feet (63.5 Kg per 92.9 square meters) or less, shall have a minimum flute T-peel strength of 5 lb. (22.2 NI. Plastic board, with basis weight greater than 140 pounds per 1000 square feet (63.5 Kg per 92.9 square meters), shall
26、 have a minimum flute T-peel strength 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-58078 9999974 OL72LOL 97b A-A- 5 8 O 7 8 of 35 lb. (155.7 N) Flute T-peel strength shall be determined in accordance with the following “Flute T-Peel Strength
27、 Test“: 3.6.6.1 J, i*. ; a,.; . *i . ;*.*;.;.I I I; . I I,.; . ; . FIGURE 1. Flute T-Peel Strength Test - Load Versus Inches of SeDaration. Custodian: Preparing activity: Army - SM Navy - SA GSA - 2FYEE Air Force - 69 ( Pro j ect 813 5 - 07 O O ) Review activities: Air Force - 11, 70, 71, 80, 84, 99 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
