1、MIL-C-216B 30 Dec 1976 SUPERSEDING MIL-C-216A 3 July 1962 (see 6.6) Y, MIL I TARY S PE C I F I CAT I ON CELLULOSE , WOODPULP (SULFITE) This specification is approved for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification covers two grades of 1.2
2、Classification. The cellulose, woodpulp sulfite cellulose, woodpulp sulfite (see 6.2). shall be of the following grades: Grade A - 95 percent alpha cellulose, minimum (min) Grade B - 90 percent alpha cellulose, min 2. APPLICABLE DOCUMENTS 2.1 Issue of documents. The following documents of the issue
3、in effect on date of invitation for bids or request for proposal form a part of this specification to the extent specified herein. SPECIFICATIONS FE DE RAL Q UU-P-31 Paper, General Specification and UU-P-268 Paper, Kraft, Untreated Wrapping PPP-T-45 Tape, Gummed Paper, Reinforced and Plain for Seali
4、ng and Securing PPP-T-76 Tape, Pressure Sensitive Adhesive, Paper, Water-Resistant (for Carton Sealing) Sealing Waterproof Paper Methods of Testing MMM-A-260 Adhesive, Water-Resistant for Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improv
5、ing this document should be addressed to: Commander, Picatinny Arsenal, Dover, New Jersey 07801 by using the self-addressed Standard- ization Document Improveinent Proposal (DD Form 1426) appearing at the end of this document or by letter. FSC: 6910 /- - . Provided by IHSNot for ResaleNo reproductio
6、n or networking permitted without license from IHS-,-,-mIL-C-21bB bB W 99779Ob 0113549 b 111 L- C- 2 16 B MILITARY MIL-E-199 Ether Diethyl MIL-N- 244 Nitrocellulose MIL-A-48078 Amniunition, Standard Quality Assurance Provisions, General Specification For. STANDARDS MI LI TARY MIL-STD-129 - Marking f
7、or Shipment and Storage 2.2 Other publications. The following documents form a part of this specification to the extent specified herein. Unless otherwise indicated, the issue in effect on date of invitation for bids shall apply. TAPP I METHOD Technical Association of the Pulp and Paper Industry (Ap
8、plication for copies should be addressed to the Secretary, TAPPI, 1 Dunwoody Park, Atlanta, Ca. 30341). 2 UNIFORM CLASSIFICATION COMMITTEE Uniform Freight Classification (Application for copies should be addressed to the Uniform Classification Committee, 222 South Riverside Plaza, Room 1106, Chicago
9、, I11 60606). AME RI CAN TRUCICI NG ASSOCIATION PUBLICATION National Motor Freight Classification Rules and Con- tainer Specifications (Application for copies should be addressed to the American Trucking Association Tariff Order Section, 1616 P Street N.W., Washington, D.C. 20036). 3. REQUIREMENTS 3
10、.1 Material. - sulfite woodgulp ce1 coniferous woods or The material used in the manufacture of .lulose shall be bleached sulfite pulp from a blend of coniferous and broadleaf woods of which at least 85 percent shall be coniferous wood. The bleached sulfite woodpulp shall have been washed to remove
11、purifying chemicals. 2 c 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-,-,-pulp in accordance with instructions issued by the Contract- ing Officer. 4.3.2
12、 Inspection to be performed. The sample will be subjected by the Government to any or all of the examinations or tests specified in 4.5 of ,this specification. In addi- tion, the woodpulp cellulose sulfite shall be shredded and nitrated to grade A, type II or grade 9 nitrocellulose of Specification
13、MIL-N-244 to determine suitability in plant scale equipment. 4.3.3 Rejection. See MIL-A-48078. 4.4 Quality conformance inspection. 4.4.1 inspection lot formation, inspection lots shall coinply with lot formation provisions of KIL-A-48078. In addition, inspection lots of cellulose woodpulp, sulfite s
14、hall contain : a. Cellulose woodpulp from not more than one lot from one manufacturer . 4.4.2 Examination. Unless otherwise specified in the Classification of Defects and test tables, sampling plans for major and minor defects shall he in accordance with MIL- CTD-105, Inspection Level II (See NIL-A-
15、48078) . 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-2168 b m 9999906 OLL3552 b m I ! ig ! I rl IL O rl I- w w I In al i J. I- 00 u. w e Z O I U I I. vi ur u a rl Li. O rl t; W I u) tri F: .rl rl rd c) (II a c m s E rl Iz a 5 k al ci u-l
16、m tn rl rl O c rn u7 Ln mm w w w ww o o o O0 . . . *. a al F: .rl 4-1 al a al c O e Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-TABLE III Classification of Defects Test Classification blue litmus paper may be em- ployed as an indicator. A clean,
17、dry, prepared Gooch cruc- ible shall be placed in a clean, dry, glass-stoppered weigh- ing bottle. The crucible and tlie weighing bottle shall be weighed to the nearest O .1 mg. The contents of the beaker shall be transferred to the Gooch crucible within 5 ninutes. The cellulose residue in the Gooch
18、 crucible shall be thor- oughly washed with successive portions of hot, distilled water, alcohol and ether. The crucible and contents shall be placed in an oven maintained at 105O + SOC. for 2 hours. The crucible shall then be placed in a weighing bottle and the weighing bottle, glass stopper, and c
19、ontents shall be cooled to room temperature in a desiccator. The stopper shall be replaced in the weighing bottle and then tlie weigh- ing bottle and its contents shall be weighed. cooling, and weighing procedures shall be repeated at hourly intervals until two successive weighings do not differ by
20、more than 0.5 milligram or there is no gain in weight. Dercent of alkali soluble matter shall be calculated on a moisture free basis as follows: The drying, The (PA) - E X 100 Percentage of alkali soluble matter = FA Mnere : 11 = weight in gms of original specimen B = weight in gms of dried residue
21、F = moisture factor (see 4.5.1) 4.5.3 Ash. The percentage of ash present shall be _I determined in accordance withCpecification U-P-31, rnethod Il Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-202 or TAPPI Method T413. calculated on a moisture free
22、 basis as follows: The percentage of ash shall be Percentage of ash = - 100 A BF Where : A = weight of ash in gms B = weight of “as is specimen F = moisture factor (see 4.5.1) 5. PMPARATION FOR DELIXERY 5.1 Packing 5.1.1 Level A. Unless otherwise specified, cellulose woodpulp may be furnished in rol
23、ls. Each roll shall be supported by a central core of approximately 3 inches inside diameter. Rolls shall be suitably restrained from unwinding. Each roll may be completely wrapped and headed with at least one thickness of Kraft paper, Grade B, 60 pound basis weight in accordance with Specification
24、UU-P-268. may be sealed with Grade B adhesive in accordance with Specification Wi-A-260 or with four inch wide water resis- tant tape complying with Specification PPP-T-45 Type 1, or 3 inch wide water resistant tape complying with Specification PPP-T-76, centered along the edge of the paper and appl
25、ied across the full width of the roll. 5.1.2 Level C. Unless otherwise specified, rolls, supported on cores shall be packed to afford protection against damage during direct shipment from the supply source to the first receiving activity for immediate use. Shipment shall comply with Uniform Freight
26、Classification Rules and Container Specification for truck shipments, as applicable. shall be in accordance with MIL-STD-129. The paper 5.2 Marking. Unless otherwise specified, marking 6. NOTES 6.1 Intended use. The intended use of the cellulose 6.2 Ordering data for MIL-A-48078. Procurement doc- wo
27、odpulp (sulfite) is for the manufacture of nitrocellulose. uments should specify the following: a. Grade required (see 1.2) b. Level of packing required (see 5.1) 12 , 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-,-,-
