1、 21 999997i1 0363072 45T METRIC 3 September 1997 SUPERSEDING 30 March 1992 A-A-591 16 MIL-P-47 170A (MI) COMMERCIAL ITEM DESCRIPTION PRIMER, SILICONE RUBBER SEALANT The General Services Administration has authorized the use of this commercial item description (CID) for all federal agencies. 1. SCOPE
2、 1.1 Scope. This specification covers the requirements for a room-temperature drying silicone rubber sealant primer. The primer may be used to promote adhesion of the sealant covered by MIL-A-46106, and similar hard-to-bond surfaces. The usage of primer should be substantiated by tests for the surfa
3、ces in question. The primer may be applied by dipping, brushing or spraying. The primer and sealant, used as a system, shall be manufactured by the same company. 2. SALIENT CHARACTERISTICS 2.1 Material. The material shall be a room-temperature drying primer compatible with sealant conforming to MIL-
4、A-46106, Type I. Beneficial comments, recommendations, additions, deletions, clarifications, etc., and any data which may improve this document should be sent to: Commander, U.S. Army Aviation and Missile Command, ATTN: AMSAM-RD-SE-TD-ST, Redstone Arsenal, AL 35898-5270. AMSC NIA DISTRIBUTION STATEM
5、ENT A. distribution is unlimited. FSC 8040 Approved for public release; Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- 9999974 0161073 396 A-A-591 16 i 2.2 Chemical property . The material shall meet the chemical properties specified in 2.2.1 and 2
6、.2.2. 2.2.1 Nonvolatile solids. The nonvolatile solids content shall be 14 to 17 percent by weight. 2.3 Physical properties. The material shall meet the physical properties specified in 2.3.1, 2.3.2, and 2.3.3. 2.3.1 Viscosity. The viscosity of the material at 25“ Celsius (C) (77 Fahrenheit (F) shal
7、l be 2 to 10 centipoises when determined with a Brookfield viscometer, or equivalent, using an LVF No. 1 spindle rotating at 60 revolutions per minute 2.3.2 Appearance. The primer shall be fluorescent pink. 2.3.3 Shelf life. The shelf life of the primer in original, unopened containers shall be up t
8、o 12 months fiom date of shipment when stored in a clean, dry environment at temperatures below 43.3 “C (1 1 O OF). 2.4 Workmansh ip. The workmanship shall be such as to ensure a product which is uniform, in conformance with this specification, and properly packaged and packed. The primer shall be f
9、iee of dirt, foreign material, or other contamination. Containers shall be clean, uniformly filled, well-sealed, and legibly marked. 3. REGULATORY REQUIREMENTS 3.1 The offeror/contractor is encouraged to use recovered materials to the maximum extent practicable, in accordance with paragraph 23.403 o
10、f the Federal Acquisition Regulation (FAR). 4. QUALITY ASSURANCE PROVISIONS 4.1 Product Conformance. The products provided shall meet the salient characteristics of this commercial item description, conform to the producers own drawings, specifications, standards, and quality assurance practices, an
11、d be the same product offered for sale in the commercial market. The government reserves the right to require proof of such conformance. 4.1.1 The contractor may use his normal quality assurance procedures for manufacture of this product; however, should a disagreement arise between the Government a
12、nd its customer or between the Government and the manufacturer concerning compliance to the salient characteristics of this commercial item description, the test mexthods and tests 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- RU 9999974 O363074
13、 222 A-A-591 16 stated in this commercial item description will be used to determine compliance of the product. 4.2 Market acceptability !MA). The following market acceptability criteria are necessary to document the quality of the product to be provided under this CID. 4.2.1 The company producing t
14、he item must have been producing a product meeting the requirements 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 the commercial marketplace over the past two years. 5. PACKAGING. 5.1 Preservation, packing, and marking shall b
15、e as specified in the contract or order. 6. NOTES 6.1 Sour ce of documents. 6.1.1 Federal and military sp - cificati1 nd rds. and h ndbooks. Federal and military specifications, standards, and handbooks are available fi-om the Standardization Documents Order Desk, Building 4D, 700 Robbins Avenue, Ph
16、iladelphia, PA 191 1 1 - 5094. 6.2 Product names. This silicone sealant rubber primer is available commercially as GE silicone SS4004. SS4004 is available from Adhesives, Inc., Pelham, AL, 35124 (800) 288-4301. 6.3 ASTM standards are available from the American Society for Testing and Materials, 1 O0 Barr Harbor Drive, West Conshohocken, PA 19428-2959. Preparing activity: Army - MI Project no. 8040-0543 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
