ASTM F891-24

Annotation of standard text ASTM F891-24 :

This specification covers coextruded poly(vinyl chloride) plastic pipe with a cellular core and concentric inner and outer solid layers. The pipe is produced using a multilayer coextrusion die for nonpressure use in three series: an IPS Schedule 40 series; a PS series with an iron pipe size outside diameter with varying wall thickness as required for pipe stiffness of 25, 50, and 100; and a sewer and drain series. The pipe shall comply with the minimum wall thickness, outside diameter, length, stiffness, flattening, impact strength, bond strength, and extrusion quality requirements.


Keywords:
cellular core, coextruded, drain, waste and vent, PVC, Schedule 40, thermoplastic ,, ICS Number Code 23.040.20 (Plastic pipes)