ARMY A-A-56031-1996 ADHESIVE EPOXY MODIFIED FLEXIBLE TWO COMPONENT《两成分柔韧性改良型环氧粘合剂》.pdf

1、INCH - POUNDA-A-560312 October 1996SUPERSEDINGMIL-A-46864B (MI)28 March 1991COMMERCIAL ITEM DESCRIPTIONADHESIVE, EPOXY, MODIFIED, FLEXIBLE, TWO COMPONENTThe General Services Administration has authorized the use of this commercial itemdescription (CID) as a replacement for MIL-A-46864B (MI) for all

2、federal agencies.1. SCOPE. This commercial item description establishes the requirements for a twocomponent modified epoxy adhesive for use as a room temperature curing, flexible adhesiveand sealant system for heat shrinkable sleeving and molded components. This system canalso be employed where bond

3、ing to rubber, metals, and plastic or combinations thereof isrequired. Each potential application shall be properly investigated before using the adhesive.2. SALIENT CHARACTERISTICS.2.1 Materials. The adhesive system shall consist of a modified epoxy base and a curingagent.2.2 Characteristics and pe

4、rformance.2.2.1 Properties before curing.2.2.1.1 Flow. The measured flow of the mixed compound shall not be greater than 0.5 inchwhen tested using a flow test jig, as depicted in figure l of MIL-S-8516. The jig should beplaced on a horizontal surface with the front facing upward and the plunger depr

5、essed to itstravel limit while the adhesive and curing agent are thoroughly mixed for 5 minutes. Then themixture shall be placed into the cavity of the flow test jig, and any excess adhesive should beremoved byBeneficial comments, recommendations, additions, deletions, clarifications, etc. and any o

6、therdata which may improve this document should be sent to: Commander, U.S. Army MissileCommand, ATTN: AMSMI-RD-SE-TD-ST, Redstone Arsenal, AL 35898-5270.AMSC N/A FSC 8040DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.Provided by IHSNot for ResaleNo reproduction or

7、networking permitted without license from IHS-,-,-A-A-560312leveling with a straight edge. Within 10 seconds of that removal, the jig shall be placed onend and the plunger advanced to its travel limit. The flow shall be no greater than 0.5 inch, asstated previously.2.2.1.2 Application time. The appl

8、ication time (1200 Pascal seconds Pa.s) of the mixedadhesive, when measured using a Brookfield RVF Viscometer equipped with a #6 spindle, orequivalent, operated at 10 revolutions per minute (rpm), shall be not less than 1 hour.2.2.2 Properties after cure. Properties after cure shall be as specified

9、in table 1. The peelstrength as cured, after heat stability, and after thermal cycle, shall be 14 pounds (lb) per inchwidth, and after fluid resistance, 10 pounds per inch width, in accordance with ASTM D 903.The tensile shear pounds per square inch shall be no less than 1500, in accordance withASTM

10、 D 1002.TABLE l. Properties after cure.Property Requirement Test MethodPeel Strength(lbs per inch width, min)As curedAfter heat stabilityAfter thermal cycleAfter fluid resistance14141410ASTM D 903Tensile shear(psi, min)1500 ASTM D 1002Dielectric constant(max)5.5 ASTM D 150Dielectric strength(volts p

11、er mil, min)500 ASTM D 149Corrosion No pitting or blackening oftest wireVisual inspectionThe dielectric constant shall be 5.5 maximum, in accordance with ASTM D 150. Thedielectric strength shall be 500 volts per mil, minimum, in accordance with ASTM D 149.The cured adhesive shall maintain functional

12、 integrity from -55 Celsius (C) to 177C, and nocorrosion shall be evident on the test wire.Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-5603132.2.3 Storage properties.2.2.3.1 Accelerated storage. After storage in an unopened container for seve

13、n days at 49 2C and cooled to standard conditions for 24 1 hours, the measured flow of the adhesivesystem shall be no greater than 0.5 inch, and the “as cured“ peel strength shall conform totable 1.2.2.3.2 Shelf life. The manufacturer shall certify that the adhesive system, after storage at 18to 35C

14、 for a period of not less than 8 months, conforms to all the requirements of this CID.2.3 Workmanship. The adhesive and curing agent shall be free of dirt, foreign material, orother contaminants.3. REGULATORY REQUIREMENTS.3.1 Recycled materials. The offeror/contractor is encouraged to use recovered

15、materials tothe maximum extent practicable, in accordance with Paragraph 23.403 of the FederalAcquisition Regulation (FAR).3.2 Carcinogens and toxins. The adhesive system described in this CID shall be non-carcinogenic and non-toxic. Certain chemicals have been identified in the OccupationalSafety a

16、nd Health Act (OSHA) as cancer producing substances (carcinogens). Before usingany materials which might contain carcinogens, they should be evaluated in accordance with29 CFR 1910.1200. Any special handling instructions should be fully documented and mustaccompany the product.4. QUALITY ASSURANCE P

17、ROVISIONS.4.1 Product conformance. The product provided shall meet the salient characteristics of thiscommercial item description, conform to the producers own drawings, specifications,standards, and quality assurance practices, and be the same product offered for sale in thecommercial market. The g

18、overnment reserves the right to require proof of such conformance.4.2 Market Acceptability (MA). The following market acceptability criteria are necessary todocument the quality of the product to be provided under this CID.4.2.1 The company producing the item must have been producing a product meeti

19、ng therequirements of this CID for at least two years.4.2.2 The company must have sold 1000 units meeting the requirements of this CID in thecommercial marketplace over the past two years.5. PACKAGING.Preservation, packing, and marking shall be as specified in the contract or order.Provided by IHSNo

20、t for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-5603146. NOTES.6.1.1 Curing conditions. The recommended curing cycle for field use is:Curing Temp C Time to Cure (hours)25 9682 393 1121 45 minutes6.1.2 Shrinkdown. Recovery for heat shrinkable sleeving can be accom

21、plished by heating thesleeving to temperatures in excess of 175C. The heat shall be continued until shrinkdownoccurs. The sleeving may be heated by a suitable hot air thermal gun or in a circulating airoven.6.2 Source of documents.6.2.1 Federal and military specifications, standards, and handbooks.

22、Federal and militaryspecifications, standards, and handbooks are available from the Standardization DocumentsOrder Desk, Building 4D, 700 Robbins Avenue, Philadelphia, PA 19111-5094.6.2.2 ASTM Standards are available from the American Society for Testing and Materials,1916 Race Street, Philadelphia,

23、 PA 19103.6.2.3 The Code of Federal Regulations (CFR) and Federal Acquisition Regulations (FAR)may be obtained from the Superintendent of Documents, U.S. Government Printing Office,Washington, DC 20402.6.3 Product names. This adhesive system is available commercially as SpectraCoat 935 andThermofit

24、S-1006, Parts A&B. SpectraCoat 935 is manufactured by American Mil SpecSupply, 125 Mac Oasten Parkway South, Box 2500, Mt. Vernon, NY 10550. Thermofit S-1006 is manufactured by Raychem Corporation, 300 Constitution Drive, Menlo Park, CA94025.6.5 Concluding material.Custodian: Preparing Activity:Army-MI Army-MICivilian Coordinating Activity: Project Number: 8040-A159GSA-FSSProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-