A-A-51576A
Type II paste shall contain 50 to 55% by weight of pumice with 72% of the particles smaller than 443 microns (0.0017 inch). Type III paste shall have a maximum REA value of 22, a minimum Cleaning Ratio of 2.5, and a minimum Polish Ratio of 9, when tested by the methods referenced above.
Shelf life. The paste shall have a minimum shelf life of 24 months from date of manufacture. Not less than 20 months of the expiration dating period shall remain at the time of delivery to the Government.
The paste shall be packaged in a 200 2-gram unit-dose, clear plastic cups sealed with a removable laminated metalized cover to prevent evaporation. The minimum weight of paste in the 200 cups shall be 380 grams for Type I, and 400 grams for Type II. The cup shall be designed to fit into a prophy finger ring holder. A holder shall be included with each unit of issue.
Instructions. Complete and accurate instructions for use of the paste shall be included with each unit of issue.
Workmanship. The paste shall be free from defects which may detract from its appearance or impair its serviceability, such as separation, settling, and color non-uniformity.
Unit. Package (PG). One package containing two hundred 2-gram unit dose cups of paste, as specified, constitutes one unit. A prophy ring holder for the cups and instructions for use of the paste shall be included in the package. All components shall be packaged in a suitable box. The box shall be marked with the lot or control number and the expiration date.
Quality Assurance Provisions.
Responsibility for inspection. Unless otherwise specified in the contract or purchase order, the contractor is responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified in the contact or purchase order, the contractor may use his own or any facilities suitable for the performance of the inspection requirements specified herein, unless disapproved by the Government. The Government reserves the right to perform any of the inspections set forth in the specification where such inspections are deemed necessary to assure supplies and services conform to prescribed requirements.
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