1、METRICA-A-3097May 6, 1997SupersedingMIL-A-46050CDecember 18, 1979.COMMERCIAL ITEM DESCRIPTIONADHESIVES, CYANOACRYLATE, RAPID ROOMSOLVENTLESSThe General Services Administration hasthis commercial item description by allTEMPETURE- CURING,authorized the use offederal agencies.1. SCOPE. This commercial
2、item description covers two types ofsolventless, room-temperature curing, cyanoacrylate adhesives foruse with or without an activator when speed of curing is a.primafi consideration. It also covers the activator which may beused to provide even faster curing and to enable the adhesives tobond to oth
3、erwise inhibiting surfaces. These adhesives are usedfor non-structural applications requiring one-component bondingof small, well-mated surfaces where heat and/or pressure cannotbe applied.2. CLASSIFICATION. The adhesives and activators shall be of thefollowing types and classes as specified.2.1 ve
4、trees and cl .Type I- methyl-2-cyanoacrylateType 11 - ethyl-2-cyanoacrylateClass 1 - low viscosity, 0.001-0.07 Pa-s (1-70 centipoises)Class 2 - medium viscosity, 0.07-0.40 Pa-s (70-400 Centi-poises)v lBeneficial comments, recommendations, additions, deletions,clarifications, etc and any other data w
5、hich may improve thisd document should be sent to: General Services Administration, GSACenter 1oFTE)”, Afiurn, Washington 98001.FSC 8040!IProvided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-IA-A-3097Class 3 - medium-high viscosity, 400-4000 centipoises(0
6、.40-4.0 Pa-s)Class 4 - high viscosity, 4000-10,000 centipoises (4.0-10,0Pa-s)Class 5 - thixotropic gel2.2 &tivators . Activator/accelerators supplied for use withthese adhesives shall be usable for both types I and II.3. SALIENT CHARACTERISTICS.3.1 e S- . The tensilelap shear values on steel panelsc
7、onforming to ASTM A 109 with number 2 edge and number 2 finishshall be a minimum of 14,N/sq mm (2000 psi) when tested inaccordance with ASTM D 1002.3.2 . The tensile strength on steel conformingto ASTM A 109- shall be.a minimum of 20N/sq mm (3000 psi)tested in accordance with ASTM D 2095.4. REGULATO
8、RY REQUIREMENTS.4.1 The offeror/contractor is encouraged to use recoveredmaterials to the maximum extent practicable in accordanceparagraph 23.403 of the Federal Acquisition regulation.whenwith5. QUALITY ASSUN$NCE PROVISIONS.5.1 . The products provided shall meetthe salient characteristics of this c
9、ommercial item description,conform to the producers own drawings, specifications,standards, and quality assurance practices and be the sameproduct offered for sale in the commercial marketplace. Thegovernment reserves the right to require proof of suchconformance.6. PACKAGING. Packaging, preservatio
10、n, packing, and markingshall be as specified in the contract or purchase order.2Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-A-A-30977. NOTES.I7.1 Copies of ASTM standards are available from the AmericanSociety for Testing and Materials, 100 Barr Harbor Drive, WestConshohocken, PA 19428-2959.7.2 Steel conforming to ASTM A 109 is equivalent to alloy 1010cold-rolled, low carbon steel.Preparing Activity:GSA-FSS3Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
