NAVY UU-B-790 A-1968 BUILDING PAPER VEGETABLE FIBER (KRAFT WATERPROOFED WATER REPELLENT AND FIRE RESISTANT)《蔬菜纤维制成的建筑用纸(防水耐火牛皮纸)》.pdf

《NAVY UU-B-790 A-1968 BUILDING PAPER VEGETABLE FIBER (KRAFT WATERPROOFED WATER REPELLENT AND FIRE RESISTANT)《蔬菜纤维制成的建筑用纸(防水耐火牛皮纸)》.pdf》由会员分享，可在线阅读，更多相关《NAVY UU-B-790 A-1968 BUILDING PAPER VEGETABLE FIBER (KRAFT WATERPROOFED WATER REPELLENT AND FIRE RESISTANT)《蔬菜纤维制成的建筑用纸(防水耐火牛皮纸)》.pdf（16页珍藏版）》请在麦多课文档分享上搜索。

1、mJ-B-790a Februam 5. 1968 SUPWSEDING Fed. Spec. UU-B-790 July 9, 1964 FEDERAL SPECIFICATION BUILDING PAPER, VEGEXm FIBER: (KRAFT, WATERPROOFED, WATER REPELLENT AND FIRIZ RESISTANT) This specification was approved by the Commissioner, Federal Supply Service, General. Services Administration, for the

2、use of ail Federal agencies. 1. SCOPE AND CUISSIFICATION 1.1 Scope. This specification covers building papers composed predominantly of sulphate puip fibers. 1.2 Classification. 1.2.1 Types, grades, and styles. The Wding papers shall be of the following types, grades, and styles, as specified (see 6

3、.2) I Type I - Barrier paper. Grade A - GradeB - Moderate water-vapor resistance. Grade C - Water resistant. Grade D - Water-vapor permeable, Style la - Uncreped, not reinforced. Style lb - Uncreped, not reinforced, red rosin sized Style 2 - Uncreped, not reinforced, saturated. Style 3 - Creped one

4、direction, not reinforced. Style 4 - Uncreped, reinforced. Style 5 - Creped one direction, reinforced. Style 6 - Creped two directions, not reinforced. Style 7 - Creped two directions, reinforced. Grade E - Moisture retentive. Style 8 Style 9 - White, reinforced. Grade F - Water repellent. Style 10

5、- 56-pound paper. - Insulation tape paper. Grade G - High tensile strength - water resistant. Style 11 - Reinforced. High water-vapor resistance. Type II - Concrete-curing paper. - Regular color, reinforced. Type III - Fire-resistant paper. Type IV , FSG 5640 -. a Y- THIS DOCUMENT CONTAINS /b -. PAG

6、ES. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-UU-B-770A 56 W 7777774 0035477 3 = *. 2. APPLICABLE WCUMESTS 2.1 Specifications and standards. The following specifications and standards, of the issues in effect on date of invitation for bids or r

7、equest for proposal, form a part of this specification to the extent specified hwein: Federal SDecifications: mi-P-31 - Paper; General Spcifications and Methods of Testing. PPP-B-601 - Boxes, Wood, Cleated-Plywood . PPP-B-1055 - Barrier Material, Waterproofed, Flexible . PPP-T-60 - Tape: for Packagi

8、ng. PressureSensitive Adhesive, Waterproof, Federal Standard : Fed. SM. No. 123 - Marking for Domestic Shipment (Civilian Agencies) (Activities outside the Federal Government may obtain copies of Federal Speci- fications, Standards, and Handbooks as outlined under General Information in the Index of

9、 Federal Specifications and Standards and at the prices .indicated in the Index. for sale on a subscription basis by the Superintendent of Documents, U. S. Government Printing Office, Washington, D. C. 20402. The Index, which includes cumulative monthly supplements as issued, is (Single copies of th

10、is specification and other product specifications required by activities outside the Federal Government for bidding purposes are available without charge at the General Services Administration Regional Offices in Boston, New York, Washington, D. C., Atlanta, Chicago, Kansas City, Mo., Fort Worth, De

11、nver, San Francisco, Los Angeles, and Seattle, Wash. (Federal Government activities may obtain copies of Federal Specifications, Standards, and Handbooks and the Index of Federal Specifications and-Standards from established distribution points in their agencies .) Militam Standards : MILSTDhO5 - Sa

12、mpling Frocedures and Tables for Inspection by Attributes. MILSTD-i29 - Marking for Shipment and Storage. (Copies of Military Specifications and Standards required by contractors in connection with specific procurement functions should be obtained from the procuring .activity or as directed by the c

13、ontracting officer.) cation to the extent spcified herein. effect on date of invitation for bids or request for proposal shall apply. 2.2 Other publications. The following documents form a part of.this specifi- Unless otherwise indicated, the issue in Provided by IHSNot for ResaleNo reproduction or

14、networking permitted without license from IHS-,-,-UU-B-790a American Society for Testing and Materials (ASTM) Publications: C i56 - Water Retention Efficiency of Liquid Membrane-Forming D 777 -Flammability of Treated Paper and Paperboard. Compounds and Impermeable Sheet Materials for Curing C-crete.

15、 (Application for copies should be addressed to the American Society for Testing and Materials, 1916 Race Street, Philadelphia, Pa. 19103 .) American Trucking Associations. Inc.: National Motor Freight Classification Rules. (Applicatfon for copies should be addressed to the American Trucking Associa

16、tions, Inc., 1616 P Street, N. W., Washington, D. C. 20036.) Uniform Classification Committee: Uniform Freight Classification Rules. (Application for copies should be addressed to the Uniform Classification Committee, 202 Union Station, 516 West Jackson Boulevard, Chicago, Ill. 60606.) Technical soc

17、iety and technical association specifications and standards are generally available for reference from libraries. among technical groups and using Federal agencies. They are also distributed 3. FEQUIFEMENTS 3.1 Description. The paper shall be either a single-ply or a multi-ply lamination, and shall

18、be furnished in continuous one-piece rolls. Not more than one splice within a roLl shall be permitted and the bond of the Splice shall be equal to or greater than the strength of the paper. 3.2 Initial production. When specified (see 6.2), the supplier shall furnish to the Government one or more rol

19、ls of building paper for testing as specified in 4.3. 3.3 Material. Material shall be as specified herein. Materials not specified shall be selected by the supplier and shall be subject to all provisions of this specification. 3.3.1 Paper. The paper shall consist of 100 percent sulphate puip fibers,

20、 free of ground wood puip, except as permitted in 3.6.7. 3.4 Construction. Lapped papers shall be securely cemented together through- out the seam area and shall have a minimum lap of 4 inches. contain no area of more than 1/2 inch, measured from the longitudinal edge of the combined sheet, which is

21、 devoid of the lamhating agent. stick together to such an extent as to cause tearing when unrolled. Laminated paper shall The paper shall not 3.4.1 Treatment. The paper shall be treated by the addition of asphalt, t asphalt waxes, wax blends, wet-strength resins, rosins, fire-retarding salts or any

22、combining agent, to impart the necessary characteristics to the paper. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-W-B-790a 3.4.2 Reinforcing. When reinforcing is specified herein, the paper shal be reinforced by imbedding cords or strands of veg

23、etable or inorganic fibers in the combining agent of the lamination. the widths and lengths or areas shown in table I, as specified (see 6.2) . 3.5 Sizes. The paper shall be flirnished in continuous, one-piece rolls of TABLE I. Roll sizes Roll widths Type I Type II Type III Type IV - - X I 6 in. 18

24、in. !: X - 24 in. - i X 1: 36 in, X X X I- 40 in. X - X - 48.b. X X - 54 in. - X - - 60 in. X X 96 in. X - - 72 in. 1. X i- - 84 in. I X X l- - X I- - - X i- 8 to 26-1/2 ft. - I I I I Type III Type IV ITne I I I Roll area or rol1 length I I I I I i50 sq.ft. 250 Sqa, 300 sq, ft, 500 sq, ft; 1,000 sq.

25、ftr 75-ft long a-ft long 750 sq*ft* I I I I 1/ For rolls 20 ft or less in width. 2f For rolls over 20 ft in width. not crack when bent over a 1/16-inch mandrel at the temperature of 32 F. less than 10 per foot in each direction. 3.6 Ty-pe I, Barrier paper. Except for style 2, the paper shall If rein

26、forced, the cords or strands shall average not 3.6.1 Grade A, High water-vapor resistant. Grade A paper shall have the dry tensile strength, water-resistance, and min., lb per in. width: both directions. Wet tensile strength; min, lb per in. width: machine direction. cross direction . Water resistan

27、ce : hours min. water loss, max., grams per sg. centimeter of surface. grams per sq. in -water hcrease, max., Water -vapor permeability; grams per sqbmeter per 24 hours (perms.) Max. Min. Bursting strength; min., points Tearing resistance; min., grams. Strength of style 6 shall 1 i/ iir shall-be 20

28、pounds, except that when specified pounds. Grade 5 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-,-,-3.6.12 style 7, Creped two directions, reinforced. St

29、yle 7 paper shall be creped in two directipns or creped in one direc- tion and pleated or corrugated in the other direction. It shall be reinforced and shall have a minimum elongation of i5 percent. 3.7 Type II, Concrete curing paper. Type II paper shall have reinforcement imbedded in the combining

30、agent at intervals of not more than 1-1/4 inches in both directions. 3.7.1 Grade E, Moisture retentive. Grade E paper shall have the wet tensile strength and water-retention properties shown in table II. 3.7.1.1 Style 8, Regular color, reinforced. Style 8 paper shall be reinforced and shall have a.

31、natural color. 3.7.1.2 S%ion failure. Failure of the initial production building paper to meet any requirement specified herein during and as a result of the examination and tests specified in 4.3 shall be cause for rejection of the initial production building paper and shall be cause for refusal by

32、 the Government to continue acceptance of production building paper until evidence has been provided by the supplier that corrective action has been taken to eliminate the deficiencies. Correction of such deficiences shall be accomplished by the supplia? at no cost to the Government on rolls of buil

33、ding paper previously accepted and produced under the contract. Any defi- ciences found as a result of the initial production testing will be considered prima facie evidence that all rolls of building paper accepted prior to the completion of initial production testing are . -i 3 Provided by IHSNot

34、for ResaleNo reproduction or networking permitted without license from IHS-,-,-UU-B-770A 56 W 7779774 0015486 O E UU-B-790a similarly deficient unless evidence to the contrary is furnished by the supplier and such evidence is acceptable to the contracting officer . 4.4 Quality conformance inspection

35、. 4.4.1 Sampling. 4.4.1.1 For examination. Sampling for examination shall be in accordance with MIL-STD-105. 4.4.1.2 For tests. Sampling for tests shall be in accordance with MIL-STD-lO5, inspection level S-2. 4.4.1.3 Lot. - For the purpose of inspection, a lot shall consist of all the rolls of pape

36、r of the same type, grade, and style offered for delivery at one time. 4.4.2 Examination. Samples selected in accordance with 4.4.1.1 AQL shall be 4.0 percent shall be examined as specified in 4.5.1. defective. 4.4.3 Test. Samples selected in accordance with 4.4.1.2 shall be tested as specified in 4

37、.5.2 through 4.5.2.6. 4 .O percent defective. AQL shall be 4.5 inspection procedure. 4.5.1 Examination. The paper shall be examined for the following defects : 101. 102. 103. 104. 105. 106. 107. 108. log. Material not as specified. Construction not as specified. Treatment omitted. Reinforcement omit

38、ted. Rolls not one piece. Splice not as specified. Rolls not of the size specified. Creping omitted or not as specified. Workmanship not as specified. 4.5.2 Tests. 4.5.2.1 Test specimens. Test specimens shall be of the size designated by the applicable test or as otherwise specified herein. Provided

39、 by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-The specimens shall be cut from the interior of the sample roll so that no specimen eage is nearer than 3 inches to the original sample edge. A minimum of ten specimens, five in each direction of the paper, sha

40、ll be cut fram each sample for fire-resistance tests. Five specimens, each 5 inches square, shall be cut from each sample for water-repellency tests. One specimen, 6 inches by 1 inch in the machine direction of the paper shall be cut from each sample for the pliability test. 4.5.2.2 Grade requiremen

41、t. The grade requirement tests shall be made in accordance with the applicable test methods specified in -P-31 a.s follows: Test Method number - Basis weight (style 10 only) 110 Bursting strength . 112 Fiber identification and quantitative determination of the paper content 300 Tearing resistance,.

42、170 Tensile breakhg strength (dry) and 172 Water resistance i81 . . elongation y . 171 Tensile breaking strength, wet L/ . Water-vapor permeability g . 182 lf Test specimens shall be 2 inches in width and the test values shall be divided by 2 to obtain the values per inch width. Immersion time is 24

43、 hours in water at 73“ plus or minus 3.5“ F. for the wet tensile test. At 50 percent plus or minus 2 percent relative humidity and 73“ .plus or minus 3.5“ F. Nonconformance to grade requirements of table II shall constitute failure of this test. 4.5.2.3 Water loss. The paper shall be tested in accor

44、dance with ASIIM (3156. An average loss in grams per square centimeter exceeding the value shown in table II shall constitute failure of this test. 4.5.2.4 Fire resistance (type III only). The paper shall be tested in accordance with ASIIM M71 . Evidence of char in excess of an average length of 4-1

45、/2 inches or a maximum Of 5-l/2 inches for any one specimen shall constitute failure of this test. 10 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-4.5.2.5.3 Test conditions. The specimens shall be conditioned by method 102 of ;P-3l for a period of

46、 not less than 48 hours, and the tests shall be conducted under the atmospheric conditions specified therein. 4.5.2.5.4 Proceduie. Weigh the specimen to the nearest 0.001 gram and Pecord as the original weight. top of the mat and fit the sandwich thus formed between the up- rights of the yoke so tha

47、t the mat is in contact with the yoke plate. treated side shall contact the mat. sample and secwely fasten the yoke crossbar over the ring. ring must be clamped tightly upon the specimen to prevent leakage around the bottom of the ring where it contacts the specimen. Pour the water into the ring to

48、a depth of not less than 3/16 inch, taking care to wet the entire specimen surface exposed inside the ring simultaneously. Start a stopwatch at the time of pouring. Allow the water to remain on the specimen until i5 or 20 seconds before a period of 5 minutes has elapsed, at which time the vater shou

49、ld be quickly poured out of-the ring. Do not permit the water to touch any untested portion of the specimen. Quickly loosen the crossbar, lift the ring carefully and, at the end of the 5-minute period, mop the surface of the specimen with a large soft rag Suffi- Place the specimen on If only one side of the specimen has been treated, the un- The Place the ring upon the -B -.790a 4.5.2.5 Water increase. T