1、NOT 14EASUREMENTSENSITIVEMIL-S-1103OF14 September 1990SiJPERsEDIt4GMIL-S-1103OE2 July 1976MILITARY SPECIFICATIONSEALING COMPOUND , S1NGLE-COMPONENT,This specification is approvedand Agencies of the Department1. SCOPENON-CURING, POLYSULFIDE BASEfor use by all Departmentsof Defense.1.1 Scope. This spe
2、cification covers single-component black, inert,thermoplastic, mastic, non-curing, seaIing compounds. These sealing compoundsare not to be used as an integral fuel tank or pressure cabin standards. Theservice temperature of the sealing compounds are -400c to 820c -400 to1800F) (see 6.1).1.2 Classifi
3、cation. Sealing compound shall be furnished in the followingtypes:Type I - For static sealing of metal, glass, Polyacrylic plasticsto each other and in combinations with each other.Type II - For rotary sealing of metal to metal having a conepenetration of approximately 200.Type III - Extruded tape (
4、see 3.1.3.2, APPLICABLE DOCUMENTS2.1 Government documents.2.1.1 Specifications, standards, and handbooks. The followingspecifications, standards, and handbooks form a part of this document to theextent specified herein. Unless otherwise specified, the issues of thesedocuments are those listed in the
5、 issue of the Department of Defense Index ofSpecifications and Standards (DODISS) and supplement thereto, cited in thesolicitation (see 6.2).SPECIFICATIONSFEDSRALo-s-595 - Sodium Bichromate, Dihydrate, TechnicalO-S-B09 - Sulfuric Acid, TechnicalSeneficial comments (recommendations, additione, deleti
6、ons) and any pertinentdata which may be of use in improving this document should be addressed to:Director, 0.S. Army Laboratory Command, Materials Technology Laboratory,IAITN: SLCk(T-HEE,Watertown, k!A02172-0001 by using the StandardizationDocument Improvement Proposal (DD FoCM 1426) appearing at th
7、e end of thisdocument or by letter.AMSC N/A FSC 8030DISTRIBUTION STATEMENT A Approved for public release; distrib”tio” “limited.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-S-1103OFoA-250/5 - Aluminum Alloy AlClad 2024, Plate and sheetTT-S-735
8、 - Standacd Test Fluids, HydrocarbonPPP-B-601 - BOXeS, Wood, Cleated PlywoodPPP-B-636 - Box, Shipping, Fiberboard, Wood-CleatedPPP-C-96 - can, Metal, 28 Gage and LighterMILITARYMIL-C-38736 - Compound, Solvent, For Use In Integral Fuel.TanksMIL-G-23827 - Grease, Aircraft and Instruments, Gear and Act
9、uaterScrewMIL-P-8184 - Plastic Sheet, Acrylic, ModifiedSTANOARDSFEDERALFED-STD-313 - Material Safety Data Sheets, Preparation and theSubmission OfMILITARYMIL-STD-105 - Sampling Procedures and Tables for Inspection byAttributesMIL-STD-129 - Marking for Shipment and StorageMIL-STD-1190 - Minimum Guide
10、lines for Level C Preservation,Packing and MarkingMIL-STD-2073 - DoD Material Procedure fOK Development andApplication of Packaging Requirements(Unles6 otherwise indicated, copies of federal and militarySpecifications, standards, and handbooks are available from theStandardization Documents Order De
11、sk, Bldg. 4D, 700 Robbina Avenue,Philadelphia, PA 19111-5094.)UNIFORM CLASSIFICATION COMMITTEE AGENTUniform Freight Classification RUleSApplication for copies should be addressed to the Uniform ClassificationCommittee, Rm 1106, 222 south Riverside PlaZa, Chicago, IL 60606.)NATIONAL MOTOR FREIGHT TRA
12、FFIC ASSOCIATION INC., AGENTNational Hotor Freight Classification Rules(Application for COpieB should be addreBsed to the American TruckingAssociation, Inc., ATTN: Traffic Order Section, 2200 Mill Road, Alexandria,VA 22314.)2.2 Non-Government publications. The following documents form a part ofthiB
13、specification to the extent specified herein. Unless otherwisespecified, the issues of the documents which are DoD adopted are those listedin the issue of the DODISS cited in the solicitation. Unless otherwise2Provided by IHSNot for ResaleNo reproduction or networking permitted without license from
14、IHS-,-,-MIL-S-1103OFspecified, the issues of documents not listed in the DoDIsS are the issues ofthe documents cited in the solicitation (See 6.2).AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM)ASTU D217 - Cone Penetration of Lubricating GreaseASTM D471 - Rubber Property - Effect of LiquidsASTM D8
15、97 - Tensile Properties of Adhesive BondsASTM D4397 - Polyethylene Sheeting for Construction Industrial, acdAgricultural ApplicationsASTU E437 - Industrial Wire Cloth and Screens (Square Opening Series)(Application for copies should be addressed to American Society forTesting and Materials, 1916 Rac
16、e Street, Philadelphia, PA 19103).(Non-Government standards and other publications are nOKMallY availablefrom the organizations that prepare or distribute the documents. Thesedocuments also may be available in or through libraries or other informationalservices.)2.3 Order of precedence. In the event
17、 of a conflict between the text ofthis document and the references cited herein, the text of this document takesprecedence. Nothing in this document, however, supersedes applicable laws andregulations unless a specific exemption has been obtained.3. REQUIREMENTS3.1 Material.3.1.1 TvPe I. Type I seal
18、ing compound shall be a non-curing masticorganic polysulfide polymer. The sealing compound shall be homogeneous,stable, and noncorrosive.3.1.2 WP e II. TypeII sealing compound shall consist of 7.0 parts (byweight) of type I sealing compound plus 2.0 parts (by weight) otgrease asspecified in MIL-G-23
19、827 (see 4.5.13).3.1.3 TYPe III. Type III sealing compound shall be of the sameconsistency and as specified in 3.1.1 except for the following: Type IIIsealing compound shall be in tape form 0.05 in. (1.1 mm) thick.by 1.5 in.(38 nun)wide applied to a suitable release paper. Approximately 50 feet(15 m
20、) of the tape shall be rolled on fiberboard cores having an inaidediameter of approximately 3 in. (76 mm).3.2 volatile content. The volatile content of TYpe I and Type IIIsealing compound shall be not greater than 1.5 percent when teated asspecified in 4.5.1. There is no requirement for TYpe II comp
21、ound.3.3 Water volubility. The water volubility of Type I and Type IIIsealing compound shall be not greater than 0.4 percent when tested asspecified 4.5.2. There is no requirement for TYPe II compound. -3.4 Oil resistance. Type I and type III sealing compound shall ahow noevidence of blistering, sof
22、tening, or loss of adhesion when exposed to mineral3Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-141L-S-l1030Foil and tested as specified in 4.5.3. There is no oil Resistance requirementfor Type II sealing compound.3.5 Adhesion. Type I and type II
23、I sealing compound shall have a bondstrength of not less than 25 psi (1.75 kg/cm2). Failure shall occur only inthe sealing material itself when tested as specified in 4.5.4. Type IIsealing compound has no adhesion requirements.3.6 Aging. When tested as specified in 4.5.5, the sealing compound shalls
24、how a cone penetration before and after aging as specified in table I.3.7 Effect of volatile compounds. For type I and type III, there shallbe no evidence of chemical attack such as ccazing, pitting or etching on thesurface of poly (methyl methacrylate) when exposed to volatile components offreshly
25、prepared sealing compound and tested as specified in 4.5.6. There isno KUIKeiTr?nt for type II.TABLE 1. Cone Penetration.Types I and III Type IIDepth of cone penetration before aging 40-80 150-250in 1/10 mmChange in cone penetration after aging 20 max. 40 max.in 1/10 mm3.8. Crazing on stressed acryl
26、ic plastic. Type I and type III sealingcompound shall not cause crazing or cracking of acrylic plastic under stresswhen tested as specified in 4.5.7.3.9 Low temperature flexibility. Type I and type III sealing compoundshall show no evidence of cracking or loss of adhesion when subjected toflexing at
27、 -400 + iOC (-4o0 + 2F) and tested as specified in 4.5.8. 3.10 Fluid resistance at elevated temperature. Type I and type IIIsealing compound shall show no evidence of hardening, blistering, or any otherdeleterious property when tested as specified in 4.5.9. There is no heatresistance requirement for
28、 type II sealing compound.3.11 Water vapor permeability. When tested as specified in 4.5.10, thewater vapor permeability rate of the sealing compound shall not exceed thefollowing requirements:Types I and III - Not greater than 0.010 gn!/hr/sq. in.Type II - Not greater than 0.012 gnr/hr/sq. in.3.12
29、Color. The color shall be black (see 4.5.11).3.13 Toxicity. The materials shall not contain any asbestos, mercurY orchromate compounds. The material shall have no adverse effects on the healthof personnel when used for its intended purpose. Questions pertinent to thiseffect shall be referred by the
30、contracting activity to the appropriate4Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-departmental medicalagency (see 4.5.12).MIL-S-1103OFservice who will act as an advisor to the Contracting3.14 Workmanship. The sealing compound shall be homogeneo
31、us and containno foreign matter, and shall conform to the quality and grade of productestablished by this specification.3.15 Naterial Safety Data Sheet (NSDS). A MSDS shall ba prepared inaccordance with FED-STD-313 (see 4.6).4. QUALITY ASSURANCE PROVISIONS4.1 Responsibility for inspection. Unless ot
32、herwise specified in thecontract or purchase order, the contractor is responsible for the performanceof all inspection requirements (examinations and testa) as specified herein.Except as otherwise specified in the contract or purchase order, thecontractor may use his own or any other facilities suit
33、able for theperformance of the inspection requirements specified herein, unlessdisapproved by the Government. The Government reserves the right to performany of the inspections set forth in this specification where such inspectionsare deemed necessary to ensure supplies and services conform to presc
34、ribedrequirements.4.2 Lot acceptance tests. A lot shall consist of all materials of thesame type, from the same batch or blending operation, subjected to the sameprocessing operations and conditions, produced by one manufacturer and offeredfor delivery at one time. Unless otherwise specified, for th
35、e purpose of lotacceptance tests, representative results shall be reported from the resultsobtained on a frequency basis for grades of sealing compound which aremmritored using process control systems and procedures which insure no defectsand shall be the basis for acceptance or rejection of the lot
36、. Lot acceptancetests shall consist of the test indicated in table II.TABLE II. Lot acceptance test requirements.RequirementsCharacteristic VP eI Type II Type III Test MethodVolatile content 3.2 - 3.2 4.5.1Water volubility 3.3 - 3.3 4.5.2Oil Resistance 3.4 - 3.4 4.5.3Adhesion 3.5 -. 3.5 4.5.4Aging 3
37、.6 3.6 3.6 4.5.5Effect of volatile 3.7 - 3.7 4.5.6compoundsCrazing 3.8 - 3.8 4.5.7Low temperature 3.9 - 3.9 4.5.8flexibilityFluid resistance 3.10 - 3.10 4.5.9Water vapor 3.11 3.11 3.11 4.5.10permeabilityColor 3.12 3.12 3.12 4.5.11Toxicity 3.13 3.13 3.13 4.5.125Provided by IHSNot for ResaleNo reprodu
38、ction or networking permitted without license from IHS-,-,-MIL-S-1103OF4.3. Sampling.4.3.1 Sampling for examination of sealing compound. Unless otherwisesepcified a random sample of filled containers shall be selected in accordancewith level 1 of HIL-STD-105.4.3.2 Sampling for tests. A sample consis
39、ting on 1 qt (0.95 liter) ofsealant or one roll of 50 ft (15 meter) tape, representative of the lot shallbe selected and placed in a wide-mouth, glass, 1 qt (0.95 liter) container andsealed tightly.4.4 Examination.4.4.1 Examination of sealing compound. Sample units of sealing compoundselected in acc
40、ordance with 4.3.1 shall be examined for defects listed intable III. Sampling plan acceptance and rejection nutiers apply collectivelyto all characteristics.TABLE III. Classification of defects in sealing compound.Classification Method ofof defect Defect inspectionMajor 101Major 102Major 103Major 10
41、4Major 105Major 106Major 107Major 108Evidence of settling or separation (see 3.1)Milling and blending not as specified (see 3.1)Evidence of corrosion on inaide of containers(see 3.1)TYPe III tape not on suitable release paper(Bee 3.1.3)TYPe III tape on improper cores or not woundproperly (see 3.1.3)
42、Type III tape of wrong dimensions (see 3.1.3)Evidence of foreign matter (see 3.14)Workmanship not as specified (see 3.14)VisualVisualVisualManualand Visualnanualand Visual14easureVisualVisual4.4.2 Cleaning on test panels. Except where otherwise specified herein,metal panels shall be cleaned with lin
43、t-free cheesecloth using solventformulated in accordance with t41L-c-38736.Weigh a 2 by 4 inch (5.0 by 10.1 cm) aluminumApproximately 2 g of the sealing compound shall4.5.1 Volatile content.panel to the nearest 0.001 g.be spread uniformly to approximately 0.0625 in. (1.5 mm) thick on one side ofthe
44、panel. The panel with the compound shall be weighed and then placed in anoven at 65.5 l“c (150 A 20F) for two hours. The panel with thecompound shall then be reweighed. The loss in weight divided by the weight ofthe original coating multiplied by 100 shall constitute the percent ofvolatile content.
45、Tests shall be performed in duplicate. Failure of eithersample shall be cause for rejection of the lot (see 3.2).4.5.2 Water volubility. The panels used in determining volatile contentshall be immersed in distilled water and heated at 65.50 + 10C (1500 +6Provided by IHSNot for ResaleNo reproduction
46、or networking permitted without license from IHS-,-,-I4IL-S-1103OF2F) for 4 hours. They shall then be removed and dried at 65.5 l“c(150 2F) fOC 4 hours. The loss in weight divided by the weight of thecoating after determination of the volatile content and multiplied by 100shall constitute the percen
47、t of water soluble material. Failure of the sampleshall be cause for rejection of the lot (see 3.3).4.5.3 Oil resistance. Approximately 2 g of the sealing comPound shall bespread uniformly on one side of a 1 by 4 in. (2.5 by 10.1 cm) aluminum panel.The aluminum shall have first been cleaned by dippi
48、ng in MIL-C-38736 type Isolvent for a few seconds, immersing in 3% alkaline cleaner (9U0 sodiummetasilicate and 10% Aerosol OT-B) at 80C (176F) for 5 minutes, washingin running tap water, immersing in bichromate solution (85 grams of sodiumbichromate, O-S-595, and 250 ml of concentrated sulfuric aci
49、d, 0-s-809 type I,class I to 2 liters of distilled water) at 750c (167F) for 5 minutes,washing in running tap water and distilled water and drying. The sample shallthen be partially inrmeraedfor 96 hours in oil conforming to Oil No. 2 (ASTMD471). The test shall be conducted at room temperature. The panel shall beremoved and the sample examined for evidence of blistering, softening and laCkof adhesion. Test shall be performed in duplicate.
