2018BS EN ISO 20557-1:2018 Plastics. Poly(phenylene ether) (PPE) moulding and extrusion materials. Designation system and basis for specifications
2009BS EN ISO 28941-1:2008 Plastics - Poly(phenylene ether) (PPE) moulding and extrusion materials - Designation system and basis for specifications
2004BS EN ISO 15103-1:2004 Plastics - Poly(phenylene ether) (PPE) moulding and extrusion materials - Designation system and basis for specifications
BS EN ISO 28941-1:2009 Plastics. Poly(phenylene ether) (PPE) moulding and extrusion materials. Designation system and basis for specifications has been changed from BS EN ISO 15103-1:2004 Plastics - Poly(phenylene ether) (PPE) moulding and extrusion materials - Designation system and basis for specifications.