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Description of ASTM-F648 2013ASTM F648 - 13Standard Specification for Ultra-High-Molecular-Weight Polyethylene Powder and Fabricated Form for Surgical ImplantsActive Standard ASTM F648 | Developed by Subcommittee: F04.11 Book of Standards Volume: 13.01 ASTM F648Abstract This specification covers ultra-high-molecular-weight polyethylene (UHMWPE) powder and fabricated forms for use in surgical implants. UHMWPE powder shall be of virgin polymer manufactured from a homopolymer of ethylene, while the fabricated forms shall be manufactured from the same UHMWPE powder without any stabilizers or processing aids. Tests for viscosity number, elongation stress, ash content, extraneous matter, and trace elements shall be performed for UHMWPE powders, while tests for density, ash content, tensile strength, yield strength, elongation, and impact strength shall be performed for fabricated forms. All tests shall conform to the requirements specified. This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date. 1. Scope 1.1 This specification covers ultra-high molecular weight polyethylene powder (UHMWPE) and fabricated forms intended for use in surgical implants. 1.2 The requirements of this specification apply to UHMWPE in two forms. One is virgin polymer powder (Section 4 ). The second is any form fabricated from this powder from which a finished product is subsequently produced (Section 5 ). This specification addresses material characteristics and does not apply to the packaged and sterilized finished implant. 1.3 The requirements of this specification do not apply to UHMWPE virgin powder or fabricated forms intentionally crosslinked or blended with other additives, for example, antioxidants. 1.4 The biological response to polyethylene in soft tissue and bone has been well characterized by a history of clinical use ( 1 , 2 , 3 ) 2 and by laboratory studies ( 4 , 5 , 6 ) . 1.5 The values stated in SI units are to be regarded as standard. 1.6 The following precautionary caveat pertains only to the test method portion, Section 7 , of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
ASTM Standards D256 Test Methods for Determining the Izod Pendulum Impact Resistance of Plastics D638 Test Method for Tensile Properties of Plastics D648 Test Method for Deflection Temperature of Plastics Under Flexural Load in the Edgewise Position D790 Test Methods for Flexural Properties of Unreinforced and Reinforced Plastics and Electrical Insulating Materials D792 Test Methods for Density and Specific Gravity (Relative Density) of Plastics by Displacement D1505 Test Method for Density of Plastics by the Density-Gradient Technique D1898 Practice for Sampling of Plastics D4020 Specification for Ultra-High-Molecular-Weight Polyethylene Molding and Extrusion Materials F619 Practice for Extraction of Medical Plastics F748 Practice for Selecting Generic Biological Test Methods for Materials and Devices F749 Practice for Evaluating Material Extracts by Intracutaneous Injection in the Rabbit F756 Practice for Assessment of Hemolytic Properties of Materials F763 Practice for Short-Term Screening of Implant Materials F813 Practice for Direct Contact Cell Culture Evaluation of Materials for Medical Devices F895 Test Method for Agar Diffusion Cell Culture Screening for Cytotoxicity F981 Practice for Assessment of Compatibility of Biomaterials for Surgical Implants with Respect to Effect of Materials on Muscle and Bone ISO Standards ISO11542/2 Plastics--Ultra-High Molecular Weight Polyethylene (UHMWPE) Moulding and Extrusion Materials--Part 2: Preparation of Test Specimens and DeterminationKeywords fabricated forms; powdered form; ultra-high molecular weight polyethylene ; ICS Code ICS Number Code 11.040.40 (Implants for surgery, prothetics and orthotics); 83.080.20 (Thermoplastic materials) DOI: 10.1520/F0648 ASTM International is a member of CrossRef. ASTM F648The following editions for this book are also available...
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