Abstract: A closure (26) for a medical waste receptacle through which medical waste is deposited is provided. The closure comprises a door (20) forming at least a portion of the passage, wherein the door is formed from a molded thermoplastic material comprising a polyolefin resin, a nucleating agent and a siloxane processing aid.

Abstract: A method and apparatus for a medical sharps and waste disposal container made from a composition of polypropylene and an additive is provided. The container has a puncture resistance of at least about 2.8 lbf. The additive is present in an amount sufficient to accelerate degradation of the polypropylene after a predetermined shelf-life.

Abstract: A closure (26) for a medical waste receptacle through which medical waste is deposited is provided. The closure comprises a door (20) forming at least a portion of the passage, wherein the door is formed from a molded thermoplastic material comprising a polyolefin resin, a nucleating agent and a siloxane processing aid.

Abstract: A medical waste container includes a receptacle for receiving medical waste. In a first aspect of the invention, a container includes a receptacle having a bottom wall and an absorbent pad positioned in the receptacle adjacent the bottom wall. The absorbent pad includes a substrate containing a super absorbent polymer. In a second aspect of the invention, a waste disposal kit for the collection and disposal of medical wastes includes a plurality of receptacles for receiving medical waste and a plurality of absorbent pads. Each absorbent pad is configured for placement in one of the receptacles adjacent a bottom wall in the receptacle.