A-A-50604
2.2 Tensile and Elongation properties. The minimum tensile properties of the rubber used shall be 1500 pounds per square inch (psi) initial and 1200 psi after aging. Elongation minimums shall be 300 percent initial and 180 percent after aging. Aging shall be accomplished by subjecting the samples to dry circulating air at 212 ± 5oF for a period of 70 hours.
2.3 Workmanship. Expansion joints shall be free of voids, foreign inclusions, soft spots, and blisters. Retaining clamps shall be free of sharp edges.
3. Quality assurance provisions.
3.1 Proof pressure. Each expansion joint submitted for delivery shall pass a proof test to 250 psi for a period of 10 minutes.
3.2 Marking. Each expansion joint shall have a label containing the following:
(a) This specification number.
(b) Manufacturer’s name or logo.
(c) Contract number and date.
(d) Expansion joint size.
4. Contractor certification. The contractor shall certify and maintain substantiating evidence that the product offered meets the salient characteristics of this Commercial Item Description and that the product conforms to the producer’s own drawings, specifications, standards, and quality assurance practices. The government reserves the right to require proof of such conformance prior to first delivery and thereafter as may be otherwise provided for under the provisions of the contract.
Regulatory requirements. The offeror/contractor is encouraged to use recovered materials in accordance with Public Law 94-580 to the maximum extent practical.
Preservation, packaging, packing, labeling, and marking. Preservation, packaging, packing, labeling, and marking shall be as specified in the contract or order.
Preparing activity:
Navy – SH
(Project 4730-N097)
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