1、flIL-V-16377A 80 W 79797Oh OlOlhbL h W MIL-V-l6399A(OS) 16 September 1971 SUPERSEDING . . MIL-V-16399 (BuOrd) 27 June 1951 MILITARY SPECIFICATION VARNISH, MOISTUREPROOF (This specification has been approved by the Naval Ordnance Systems Command, Department of the Navy.) 1. SCOPE 1.1 Scope, - This sp
2、ecification covers a moisture- proof varnish having a tung oil and phenolic resin base. 1.2 Classification. - The varnish shall be of either of the two following types, as specified in 6.2: Type A - Without naphthenate driers Type B - With naphthenate driers 2. APPLICABLE DOCUMENTS 2.1 The following
3、 documents, of the issue in effect on date of invitation for bids or request for Proposal, form a p.art of this specification to the extent specified herein. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-V-l6399A(OS) SPECIFICATIONS FEDERAL TT-D
4、-643 TT- P- 143 TT-T-775 TT-X-916 MILITARY MIL-R-15184 STANDARDS FEDERAL FED. T. M. STD 141 MILITARY MIL-STD-755 Drier, Paint, Naphthenate, Liquid, Concentrated Paint, Varnish, Lacquer, and Related Materials; Packaging, Packing and Marking of Tung Oil, Raw (China Wood) (For Use in Organic Coating) X
5、ylene (For Use in Organic Coatings) Resin, Para-Phenyl, Phenol- Formaldehyde Paint, Varnish, Lacquer and Related Materials; Methods of Inspection, Sampling and Testing Labels Containing Symbols for Packages and Containers for Hazardous Industrial Chemicals and Materials . .- . (Copies of speci.ficat
6、ions and standards required by suppliers in connection with specific procurement functions should be obtained from the procuring activity or as directed by the contracting officer.) 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NIL-V-Lb377A 80 77
7、79706 0101663 T M 3 d REQUIREMENTS 3.1 Materials. - The varnish shall be formulated from the following materials which shall conform to their related specifications: Resin, para-phenyl, phenol-formaldehyde of Tung oil of TT-T-775 Solvent (Xylene of TT-X-916 or a mixture of xylene Lead and cobalt nap
8、hthenate driers of TT-D-643 MIL-R-15184 with not more than 40 percent petroleum spirits) 3.2 Formulations. - The Type A and B varnishes shall be formulated using the quantities of materials specified in Table I. The compounding of each type shall be in accordance with 6.3 and material verification s
9、hall be in accordance with Table III of 4.3 . Table I. - Compounding formulations for Types A and B. varnishes. Material Resin, pounds Tung oil, gallons Solvent, gallons Naphthenates : (1) Lead, grns (2) Cobalt, gms (2) 100 , 12.5 25 None None - 100 12.5 25 20 - 2.5 Note: (1) The naphthenates shall
10、not be added until the other materials are completely compounded in accordance with 6.3. terms of their metallic content; however, either one of the following analytical values may be used: a. Lead 0.05% and Cobalt 0.006% of the Tung oil b. Lead 0.025% and Cobalt 0.003% of the total non-volatiles (2
11、) The naphthenate values are expressed in 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.3 Quantitative requirements. - The varnish sha.11 conform to the quantitative requirements specified in Table II when tested in accordance with .Table III o
12、f 4.3. Table II. - Quantitative requirements. Value Requirement Type A 1 Type B Viscosity, poises (Between C and D on Gardner-Holdt scale) Weight, 7, by weight of non- volatiles Color, Gardner scale Drying time : Set-to-touch, hours Dry hard, hours 0.85, minimum 0.85, minimum 1.00, maximum 1.00, max
13、imum 50, minimum 50, minimum 12, maximum 12, maximum 6, maximum 2 , maximum 8, maximum 8, maximum to to 3.4 -Qualitative requirement$. - The varnish shall conform to the following qualitative requirements when tested in accordance with Table III of 4.3. 3.4.1 Condition in container, - When first ope
14、ned, the varnish in the containers shall be clean,.homogeneous, and free from a skin, grit, seeds, and sediment. 3.4.2 Skinninq. - The varnish shall show no skinning after 48 hours in a tightly closed, half-filled container. 3.4.3 Storage stability. - Varnish shall be clear, homogeneous, free from p
15、articles (grit, seeds, and sediment) and shall meet all other requirements of this specification for a period of one year after manufacture when tested in accordance with 4.3. 3.5 Preservation and packaging. - The preservation and packaging of the varnish shall be in accordance with Section 5 when i
16、nspected in accordance with Table III of 4.3. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-o 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. - Unless otherwise specified in the contract or purchase order, the supplier is respo
17、nsible for performance of all inspection requirements as specified herein. Except as otherwise specified in the contract or order, the supplier may utilize his own facilities or any commercial laboratory acceptable- to the Government. The Government reserves the right to p.erform any inspections set
18、 forth in the specification or drawings where such inspections are deemed necessary to assure supplies and services conform to prescribed require- ments. 4.2 Quality assurance. - Quality assurance.shal1 be provided in accordance with Method 1031 of FED. TEST -METHOD STD 141. Forms submitted in accor
19、dance with Method 1031 shall cover complete tests other than the one year storage stability test. The storage stability requirement shall apply for one year after manufacture regardless of other testing or prior acceptance of the.materia1. 4.3 Test procedures. - Requirements of this specification sh
20、all be verified in accordance with the test procedures of Table III. The numerically-designated test methods are those of FED. TEST METHOD STD 141; the paragraph- designated testmethod is a paragraph in this Specification 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without
21、 license from IHS-,-,-Table III. - Test procedures. Reauirement Materials Viscosity Weight Color Drying time Condition in container Skinning Storage stability Preservation and packaging Test Method 1031 4271 4041.1 Cc248 4061 3011 3021 1031 para 4.3.1 Requirement Reference Table I Table II Table II
22、Table II Table II para 3.4.1 para 3.4.2 para 3.4.3 4.3.1 Storage stability. - The Government, at its option and at any time not to exceed one year after manufac- ture, may test the varnish stored in its original. containers for conformance with 3.4.3. Any action by the Government to disqualify varni
23、sh after. prior acceptance shall be based on the examination of-varnish stored in its original containers. For the purpose of developing a quality history of the suppliers! varnish, the Government shall allow, in accordance with Method 3022 of FED. TEST METHOD .Sm. 141, a full one-quart can of varni
24、sh to stand undisturbed for a period not to exceed 12 months and then shall examine for compliance with 3,4.3. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-V-16379A BO = 9977706 0101667 7 m MIL-V-l6399A(OS) 5. PREPARATION FOR DELIVERY 5.1 P
25、ackaging and packing. - The varnish shall be packaged and packed in accordance with TT-P-143. The level of packaging shall be A or C, and the level of packing shall be A, B, or C as specified (see 6.2). . The size and type of the container shall be as specified (see 6.2). 5.2 Marking. - In addition
26、to any special marking reqirements specified in the contract or order, .the containers shall be marked in accordance with TT-P-143 and contain an appropriate warning label. The warning label shall be of appropriate size and similar to Class 2 of MIL-STD-755 or shall be lithographed or stenciled with
27、 a reasonable likeness thereof . Under “contains“ insert “Xylene and Solvents“. 6. NOTES 6.1 Intended use. - The varnish.covered by this specification is intended for use in the sealing and moisture- proofing of surfaces of small explosive devices. When fully cured, it provides a hard, abrasive resi
28、stant, moisture- proof coating. 6.2 Ordering data. - Procurement documents shauld specify the following: (a) Title, number, and date of this specification (b) Type of varnish required (see 1.2) (c) Type and capacity of unit containers required (d) Applicable level of packaging and packing (e) Specia
29、l marking requirements (see 5.2) (see 5.1) required (see 5.1) 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-6.3 Method of compounding. - Heat the resin and oil to 450F within 30 to 40 minutes. Hold the temperature at 450F for approximately 25 min
30、utes to obtain proper bodying. Cool to 350F to 375F and thin with the required solvent. When Type B varnish is specified, add the naphthenate driers after thinning. 6.4 Specifica.tion information. - .This specification is under the technical cognizance of the Naval Ordnance Laboratory, Silver Spring
31、, Maryland, which prepared it for the Naval Ordnance Systems Command. Custodians: Navy - OS Preparing activity: Navy - OS (The NOL for OS 1 Review activities :. (Project No. 8010-NO77 ) Navy - OS (ORD-084) Navy - AS (AIR-5051) *US. GOVERNMENT PRINTING OFFICE: 1071-714-158/2410 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
