1、PPP-T-495 B February 25, 1974 SUPERSEDING October 2, 1961 -wu- - Fed. Spec. PPP-T-495A c- FEDERN, SPECIFICAT ION TUBES, MILING, AID FILING This specification was approved by the Commissioner, Federal Supply Service, General Services Administration, for the use of all Federal agencies. 1, SCOPE Wood,
2、. Wirebound. Boxes, Fiberboard, Wood-Cleated. Boxes, Wood, Cleated-Plywood. Boxes, Shipping, Fiberboard. Barrier Naterial Waterproofed Flexible. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-prices indicated in the Index. supplements as issued, is
3、for sale on a subscription basis by the Superin- tendent of Documents, U.S. Government Printing Office, Washington, DC 20402. The Index, which includes cumulative monthly (Single copies of this specification and other Federal specifications required by activities outside the Federal Government for b
4、idding purposes are available without charge from Business Service Centers, at the General Services Administration Regional Offices in Boston, New York, Washington, DC, Atlanta, Chicago, Kansas City, MO, Ft. Worth, Denver, San Francisco, Los Angeles, and Seattle, WA. (Federal Government: activities
5、may obtain copies of Federal Specifications, Standards, and Handbooks and the Index of Federal Specifications and Standards from established distribution points in their agencies.) Military Specification: MIL-L-10547 - Liners, Case, and Sheet, Ovenmap Water-Vaporproof or Waterproof, Flexible. Milita
6、ry Standards: MIL-STD-105 - Sampling Procedures and Tables for Inspection by MIL-STD-129 - Marking for Shipment and Storage. / Attributes. (Copies of specifications, standards, drawings, and publications required by suppliers in connection with specific procurement functions should be Provided by IH
7、SNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-PPP-T-475B 81 7977774 0037570 5 PPP-T-495B Uniform Classification Committee, Agent Uniform Freight Classification (Application for copies should be addressed to the Uniform Classification Committee, Room 1106, 222 So
8、uth Riverside Plaza, Chicago, IL 60606.) National Motor Freight Traffic Association, Inc., Agent National Motor Freight Classification (Application for copies should be addressed to the American Trucking Associations, Inc., Tariff Order Section, 1616 P Street, N.W., Washington, DC 20036.) Technical
9、Association of the Pulp and Paper Industry T-402 - Conditioning Paper and Paperboard for Testing (Application for copies should be addressed to the Technical Association of the Pulp and Paper Industry, One Dunwoody Park, Atlanta, GA 30341.) Composite Can and Tube Institute T-108 - Side-to-Side Crush
10、 Composite Tubes and Cover (Application for copies should be addressed to the Composite Can and Tube Institute, 1725 Eye Street , N.W., Washington, DC 20006.) (Technical society and technical association specifications and standards are generally available for reference from libraries. distributed a
11、mong technical groups and using Federal agencies.) They are also 3. REQUIRENENTS 3.1 Materials. The materials shall be of the quality normally used for this purpose in commercial practice, unless otherwise specified herein. 3.1.1 Adhesive. The adhesive used for bonding of type I tubes shall be The a
12、dhesive used for the of suitable type, free from objectionable odor. bonding of type II tubes shall conform to MMM-A-260. 3.1.2 Chipboard. The chipboard shall conform to -C-282. Other thick- nesses of plain chipboard, having the same physical properties as specified in UU-C-282, may be used to meet
13、the minimum wall thickness of tube as specified in tables I, II, and III, provided the crushing strength is met when tested in 4.4.2. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-P-268 for grade B, 40-pound basis weight paper. 3.1.4 Waterproof,
14、kraft pa-. The waterproof paper shall con- form to class B-2, B-3 or C-1 of PPP-B-1055. 3.1.5 Tinplate, Tinplate shall conform to type II, grade 3, class A, or -grade 4, class 25, bright finish o QQ-T-425. 3.2 Construction. 3.2.1 Body. Tubes shall either be class 1 spirally wound or class 2 con- vol
15、utely wound as specified (see 6,2), and shall be constructed of materials specified under 3.1 (see figure 1). 3,2,2 Butt joints class - 1 tubes. Plies of class 1 tubes shall be wound with butt joints, with a maximum gap of 1/16 inch, except the outer ply for type II tubes shall be overlapped at the
16、joint. 3.2,3 Seams class - 2 tubeg. The seams on class 2 tubes shall be tapered or beveled to form a smooth seam, except the outer ply of type II tubes shall be overlapped at the joint, 3.2.4 Crushing strength. Crushing strength shall be not less than 8 pounds per inch of tube length, when tested as
17、 specified in 4.4.2. 3.2 , 5 Adhesion requirements , The samples submitted to the tests specified in 4.4.1 through 4.4.3 shall be examined for quality of adhesion between layers by observing the amount of fiber failure when the paper layers are separated. All layers shall show no larger unstuck area
18、 than 1/2 inch square and the total for such unstuck areas shall not be greater than 20 percent of the total ar of each layer. 3,2.6 Size. Inside diameter and inside length shall be as specified (see The tolerance 6.2). on inside length shall be plus 3/8 inch, hinus O inch. The tolerance on inside d
19、iameter shall be 5 1/32 inch. outer tubes. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-PPP-T-4758 1 W 7777774 0039573 O PPP-T-495B 3.4.2 Screw cap
20、 and neck. Metal screw caps and necks shall be constructed of tinplate specified in 3.1.5. not less than 1-1/4 turns are required to remove the screw cap from the metal neck when closed. metal end in 3.4.1. Screw caps and necks shall be threaded so that Attachment of the neck to the tube shall be as
21、 specified for 3.4.3 Type I and II, style D tubes. Inner tube shall be built-up chipboard specified in 3.1.2 and secured to the outer tube with adhesive as specified in 3.1. The end of inner tube over which the cover fits shall extend a minimum of 1-1/2 inches and 4 inches, respectively, for type I
22、and II tubes, and shall be protected so that, when tested in 4.4.4, the cover will not cause peeling the component layers of either the tube wall or cover. the inner and outer tubes is tight enough so that the inner tube will not move under its own weight when the assembled tubes are inverted, the i
23、nner tube need not be secured to the outer tube with adhesive. If the fit between 3.4,4 Style D covers. Covers for style D tubes shall fit over the inner tube so it will not move under its own weight when tested as specified in 4.4.4. 3.4.5 Type II, style D tubes. Outer tubes and cover shall be cons
24、tructed of three spirally or convolutely wound plies, as specified (see 6.2), with the minimum wall thickness specified in table III. chipboard specified in 3.1,2. complete layers of the paper specified in 3.1.4 and glued with the applicable adhesive specified in 3.1.1. Material for the third ply sh
25、all consist of one complete layer of the paper specified in 3.1.4 and glued with the applicable adhesive specified in 3.1.1. Material for first ply shall be Material for second ply shall consist of two Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
26、PPP-T-495B 4.1.1 Inspection. Sampling for inspection shall be performed in accordance with NIL-STD-105, except where otherwise indicated hereinafter. 4.2 Component and material inspection. In accordance with 4.1 above, the supplier is responsible for insuring that components and materials used were
27、manufactured, tested and inspected in accordance with the requirements of referenced subsidiary specifications and standards to the extent specified therein, or, if none, in accordance with this specification. 4.2.1 Inspection of the end item. 4.2.1.1 Examination of the end item. Examination of the
28、end item shall be in accordance with the classification of defects and acceptable quality levels (AQL) set forth below. No more than two tubes, randomly selected, shall be drawn from any one shipping container from each lot offered for Government acceptance for visual and dimensional characteristics
29、. purpose of determining the sample size, shall be as indicated in the applicable paragraph below. The inspection levels and AQLs shall be as speci- fied in 4.2.1.6. The lot size for the 4.2.1.2 Visual examination. The sample unit for this examination shall be one complete tube. The lot size shall b
30、e expressed in units of tubes. Classifica tion Examine Defect Major Minor Construction Not spirally or convolutely wound, Spirally wound tubes not butt . Not a smooth seam where butt jointed Gap of butt joint in excess of 1/16 inch on spirally wound tube Seams on convolutely wound tubes not tapered
31、or beveled; seam not smooth as specified jointed X X X X X Closures Styles C and D Metal ends or screw cap and neck, as applicable, not type or construction specified with less than 1-1/4 turns crimped, smooth or serrated crimped Screw cap (style C) and tube neck Metal ends (style D) not double 7 X
32、X X Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-PPP-T-49 5B Classification Examine Defect Major Minor Workmanship Any crack, sharp edge or burr on screw cap or metal end, as Not clean X Any surf ace scuffing blister applicable X imperfect adhesio
33、n between layers, ragged cuts and imperfect crimps X Marking (metal Marking, when specified, missing X ends) Marking illegible X 4.2.1.3 Dimensional examination. The sample unit for this examination shall be one complete tube, The lot size shall be expressed in units of tubes. Examine Defect Varies
34、more than 51/32 inch from specified diameter. -* Inside of diameter of tube Inside length of Less than specified length. More than 3/8 inch greater than specified length. tube Wall thickness Less than specified. Inner tube (style D) Type 1 Type Il End of inner tube extends less than 1-1/2 inches. En
35、d of inner tube extends less than 4 inches. 4.2.1.4 Examination of style D tube. The sample unit for this examination shall be 10 style D tubes. mine ply construction in accordance with the requirements of 3.4.3, and 3.4.5. shall be cause for rejecting the lot. The sample tubes shall be delaminated
36、to deter- Failure to meet the construction requirements for the ply fabrication 4.2.1.5 Examination of preparation for delivery. The sample unit for this The lot size shall be expressed examination shall be one shipping container. in units. of shipping containers . Examine Packing Defect Not type sh
37、ipping container specified. Any component missing; component not as specified. 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-PPP-T-49 5B Examine Defect Packing (contd) Improper closure (as applicable), affecting Any break, tear, or hole. Containe
38、r of improper size causing bulge or senticeability; not securely sealed with adequate adhesive distortion, or shifting of contents. larking Marking of unit packages (as applicable), not as specified. Illegible, incorrect, incomplete, missing; of improper size, location, method or sequence of applica
39、tion. Con tents Weight of content exceeds 50 pounds. 4.2,1.6 Inspection levels and AQLs. The inspection levels , for determining the sample size, and the AQLs expressed in defects per 100 units, shall be as follows : Examination aragraph 4.2.1.2 4.2.1,3 4.2.1.5 Inspection levels s-4 s-2 s-2 AQLs Maj
40、or Total 2.5 6.5 2.5 4.0 - 4.3 Testing of the end item. The end item shall be tested for the The sample unit applicable characteristics as indicated in table IV. shall be the amount of material required to perform all required tests at one time. style and size offered for acceptance at one time. The
41、 sample unit shall be two tubes. and the AQL expressed in terms of defects per hundred units shall be 4.0 for each characteristic. The lot size shall be expressed in units of tubes of each type, Al1 characteristic tests shall be applicable to the sample unit The inspection level shall be S-2. TABLE
42、IV. Instructions for testing Number of Results reported Requirement Test method deter. per to nearest Characteristic paragraph paragraph unit numerical unit Crushing strength 3.2.4 4.4.2 1- O .I pound Stripping (metal end, style C and D 3.4.1 4.4.3 -1 1.0 pound 1 Pass or fail 34.3 4.4.4 .1 Pass or f
43、ail Adhesion 3.2.5 4.4.3 Tube fit Cover fit 1 Pass or fail (style D) 3.4.6 4.4.4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-PPP-T-495B 4.4 Tests. 4.4.1 Test conditions. Tubes and components shall be conditioned as specified in TAPPI method T-402
44、. 4.4.2 Crushing strength test. The crushing strength as specified in 3,2,4 shall be not less than eight pounds per inch of tube length. The test shall be in accordance with the-Composite Can and Tube Institute (CCTI) standard testing procedure T-108. 4.4.3 Stripping and adhesion test. The container
45、 body shall be prepared by cutting,a section of proper length for holding in a fixture shown in figure 2. Tension shall be applied at a rate of 0.25 2 0.05 inch per minute. Separation of the end at less than those values specified in 3.4.1 shall be cause for re- jection. The samples shall also be ex
46、amined for the adhesion between layers equirement specified in 3.2.5. 4.4.4 Cover fit test. Place the cover on the tube and then remove. Repeat the procedure four times. shall constitute failure of this test. Any peeling of the tube or cover, or any looseness 5. PREPARATION FOR DELIVERY 5.1 Packing.
47、 Packing shall be level A, II, or C as specified (see 6.2 (e). 5.1.1 Level. A. Tubes shall be packed in a snug-fitting fiberboard shipping Each shipping con- container conforming to style RSC, grade V3s of PPP-B-636. tainer shall be closed, waterproofed by means of tape, and reinforced with. flat st
48、rapping or tape banding in accordance with PPP-636. The weight of contents of each shipping container shall not exceed 50 pounds. 5.1.2 Level-B. Tubes shall be packed in a snug-fitting fiberboard shipping container conforming to style RSC, type CF, variety SW, or type SF, class domestic of PPP-B-636
49、. with method II of the appendix of PPP-B-636. shipping container shall not exceed 50 pounds. Each shipping container shall be closed in accordance The weight of contents of each 5.1.2.1 Vhen specified (see 6,2), the shipping container shall be VC, VS, or VS, fabricated and closed in accordance with PPP-B-636. 5.13 Level C (Commercial Packing). The tubes shall be packed in a manne
