https://www.asme.org/codes-standards/find-codes-standards/nonmetallic-materials-part-1-thermoplastic-material-specifications
Nonmetallic Materials Part 1 Thermoplastic Material Specifications - ASME
ASME NM.3.1 contains thermoplastic material specifications adequate for safety in the field of pressure equipment.
nonmetallic materialspart 1thermoplasticspecificationsasme