ASTM D3350, “Standard Specification for Polyethylene Plastics Pipe and Fittings Materials,” has just been released as a new 2012 Edition. This revision replaces the now-obsolete ASTM D3350-10a dated November 2010. Available from Document Center Inc., the new 7-page specification covers the identification of polyethylene plastic pipe and fitting materials. It comes in both paper and pdf format, and a redline edition can also be purchased.
Polyethylene plastic materials, being thermoplastic, are reprocessable and recyclable. This specification allows for the use of those polyethylene materials, provided that all specific requirements of this specification are met.
ASTM D3350-12 covers the identification of polyethylene plastic pipe and fittings materials in accordance with a cell classification system. It does not provide specific engineering data for design purposes, to specify manufacturing tolerances, or to determine suitability for use for a specific application.
Cell classification of materials is made according to tests of primary properties like density, melt index, flexural modulus, tensile strength at yield, slow crack growth resistance, and hydrostatic strength classification. These materials are manufactured by molding and extrusion of polyethylene plastic in the form of powder, granules, or pellets.
Color and ultraviolet stabilizer, thermal stability, brittleness temperature, density, tensile strength at yield, and elongation at break all need to conform to this specification.
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