BS EN ISO 20028-1:2017 PDF
Plastics. Thermoplastic polyester (TP) moulding and extrusion materials - Designation system and basis for specifications
Plastics. Thermoplastic polyester (TP) moulding and extrusion materials - Designation system and basis for specifications
- Статус документа:
- Отменён
- Формат:
- Электронный (PDF)
- Дата публикации:
- 30 апреля 2017 г.
- ICS:
- 83.080.20
- Технический комитет:
- CEN
- SKU:
- BS EN ISO 20028-1:2017
Abstract
1 Scope This document establishes a system of designation for thermoplastic polyester (TP) material, which can be used as the basis for specifications. It covers polyester homopolymers for moulding and extrusion based on poly(ethylene terephthalate) (PET), poly(butylene terephthalate) (PBT), poly(cyclohexylenedimethylene terephthalate) (PCT), poly(ethylene naphthalate) (PEN), poly(butylene naphthalates) (PBN) and other TP-types and copolyesters of various compositions for moulding and extrusion. The types of thermoplastic polyester are differentiated from each other by a classification system based on appropriate levels of the designatory properties:
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