A-A-1818 Sodium Metasilicate, TechnicalThis commercial item description CID for sodium metasilicate covers material suitable for various washing, cleaning, and scouring processes, with or without soap as conditions demand, and where a moderately strong alkaline material is desired.

Pages 1 - 2 - 3 - 4

A-A-1818A

5.  PRODUCT CONFORMANCE PROVISIONS

5.1  Product conformance.  The products provided shall meet the salient characteristics of this CID, conform to the producer's own drawings, specifications, standards, and quality assurance practices, and be the same product offered for sale in the commercial marketplace.  The government reserves the right to require proof of such conformance.

5.2  Market acceptability.  The product offered must have been previously sold either to the government or on the commercial market.

6.  PACKAGING

6.1  Preservation, packing, and marking.  Preservation, packing, and marking shall be as specified in the acquisition order (see 7.3(c)).

7.  NOTES

7.1  Part or identification number (PIN).  The following PIN procedure is for government purposes and does not constitute a requirement for the contractor.

AA1818  - X

Type:   1 -  I   -  Pentahydrate (Na2SiO3·5H2O)

2 -  II  -  Anhydrous (Na2SiO3)

CID number

Example of reference part number:  AA1818 - 1 indicates Type I sodium metasilicate

7.2  Sources of documents.

7.2.1  FAR.  The FAR may be obtained from the Superintendent of Documents, P.O. Box

371954, Pittsburgh, PA  15250-7954.  Electronic copies of FAR documents may be obtained from https://www.arnet.gov/far/.

7.2.2  ASTM standards.  Copies of ASTM standards may be obtained from the ASTM International, 100 Barr Harbor Drive, P.O. Box C700, West Conshohocken, PA  19428-2959. Electronic copies of ASTM standards may be obtained from https://www.astm.org/.

7.3  Ordering data.  The acquisition order should specify the following information:

a.   CID document number, revision, and CID PIN. b.   Type (see 2).

c.   Preservation, packing, and marking (see 6.1).

3