A-A-54445
Color. The base and accelerator shall be distinctly different in color. The mixture of base and accelerator shall be pink.
Performance. When tested as specified below, mixing time shall be 45 seconds ± 14 seconds. When no retarder is used, peel time shall be 3 minutes ± 1 minute and final set time shall be 15 minutes ± 5 minutes, when tested as specified below. Working time is final set time minus peel time. Working time shall be a minimum of 6 minutes when no retarder is used. Working time shall be a minimum of 15 minutes when a retarder is used.
Immediate container. Base and accelerator paste shall be in suitable metal, collapsible tubes with round opening and screw cap closure. The retarder shall be in a glass or plastic bottle with screw cap closure.
Capacity. Net weight of accelerator shall be at least 90 grams; and net weight of retarder shall be at least 4 grams. Volume after mixing a tube of accelerator with a tube of base shall be at least 125 milliliters.
Marking. The tube of accelerator paste shall be marked “ACCELERATOR” or “1”, and the tube of base paste shall be marked “BASE” or “2”, and the bottle of retarder shall be marked “RETARDER”. The lot number and date of manufacture shall be marked on all containers.
ADA Acceptance. The contractor shall furnish proof that the offered periodontal paste has been accepted by the Council on Dental Materials and Devices and the Council on Dental Therapeutics of the American Dental Association (ADA). Compliance with these acceptance requirements does not absolve the contractor from complete compliance with the requirements of this specification.
Instructions. Adequate and accurate instructions for proportioning and manipulating pastes shall accompany each unit package. Instructions shall contain information about the extension of working time by use of the retarder.
Workmanship. All components and immediate containers shall be free from defects which detract from their appearance or may impair their serviceability.
Unit. Package (PG). One package containing one tube of base paste, one tube of accelerator paste, and one bottle of retarder, and instructions for use constitutes one unit.
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