A-A-52469A
2.2 Adherence capability. The buffed cemented tire shall retain the capability of accepting and adhering to the hot extruded tread rubber for at least 5 hours after the cement has been applied.
2.3 Cement adhesion. The cement adhesion strength of 21.4 kilograms per centimeter (cm) of width shall be attained after curing. This shall be verified by preparing and testing two specimens in accordance with the cement adhesion test of A-A-52518 or other similar test which produces comparable results.
2.4 Solubility of resin cements. The addition of rubber solvent shall not cause galling of cement. Rubber solvent addition shall not cause precipitation or settling in the cement so that it cannot be re-dispersed by stirring. The rubber solvent shall consist of a high grade petroleum distillate that is water-clear, free from foreign material, acid, oil, water, or anti-knock materials. The solvent shall have a boiling range of 38 to 60 °C initial, 93 to 138 °C end point with no oil residue.
2.5 Viscosity. The viscosity of the resin cement shall be suitable for spray application as removed from the container. Viscosity shall range between 20 to 65 centipoises at 23 °C. Viscosity shall be verified in accordance with method B of ASTM D1084.
2.6 Total solids. The total solids content of the cement shall not be less than 7% by weight.
2.7 Storage stability. The cement shall be usable for 1 year from date of manufacture when stored at temperatures not exceeding 24 °C.
2.8 Material safety data sheet (MSDS). When applicable an MSDS shall be prepared in accordance with FED-STD-313 (see 6.2 and 6.3).
3. REGULATORY REQUIREMENTS. The offeror/contractor is encouraged to use recovered materials to the maximum extent practicable, in accordance with paragraph 23.403 of the Federal Acquisition Regulation (FAR).
4. PRODUCT CONFORMANCE PROVISIONS
4.1 Responsibility for inspection. The contractor is responsible for the performance of all inspections (examinations and tests).
4.2 Contractor certification. The contractor shall certify and maintain substantiating evidence that the product offered meets the salient characteristics of this CID and that the product conforms to the producer’s own drawings, specifications, workmanship standards, and quality assurance practices. Items with known defects shall not be submitted for Government acceptance. The Government reserves the right to require proof of such conformance prior to the first delivery and thereafter as may be otherwise provided for under the provisions of the contract.
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