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Norm

ISO 1622-1:2012

Issue date: 2012 02 03

Plastics — Polystyrene (PS) moulding and extrusion materials — Part 1: Designation system and basis for specifications

1.1 This part of ISO 1622 establishes a system of designation for polystyrene thermoplastic material, which may be used as the basis for specifications. 1.2 The types of ...
Withdrawn: 2020 08 25
Publisher:
International Organization for Standardization
Format:
Digital | 4 Pages
Language:
English

1.1 This part of ISO 1622 establishes a system of designation for polystyrene thermoplastic material, which

may be used as the basis for specifications.

1.2 The types of polystyrene plastics are differentiated from each other by a classification system based on

appropriate levels of the designatory properties

a) Vicat softening temperature and

b) melt volume-flow rate

and on information about the intended application and/or method of processing, important properties, additives

and colorants.

1.3 This part of ISO 1622 is applicable to all amorphous polystyrene homopolymers.

It applies to materials ready for normal use, unmodified or modified by colorants, additives, fillers, etc.

This part of ISO 1622 does not apply to expanded polystyrene, styrene copolymers, homopolymers of

substituted styrene or those modified with other polymers such as elastomers.

1.4 It is not intended to imply that materials having the same designation give necessarily the same

performance. This part of ISO 1622 does not provide engineering data, performance data or data on processing

conditions which might be required to specify a material for a particular application and/or method of processing.

If such additional properties are required, they shall be determined in accordance with the test methods

specified in Part 2 of this International Standard, if suitable.

1.5 In order to specify a thermoplastic material for a particular application or to ensure reproducible processing,

additional requirements may be given in data block 5 (see 3.1).

ISO 24022-1:2020
2020 08 25
Plastics — Polystyrene (PS) moulding and extrusion materials — Part 1: Designation system and basis ...
Norm
ISO 1622-1:2012
2012 02 03
Plastics — Polystyrene (PS) moulding and extrusion materials — Part 1: Designation system and basis ...
Norm
ISO 1622-1:1994
1994 10 20
Plastics — Polystyrene (PS) moulding and extrusion materials — Part 1: Designation system and basis ...
Norm
ISO 1622-1:1985
1985 12 19
Plastics — Polystyrene (PS) moulding and extrusion materials — Part 1: Designation
Norm
ISO 1622:1975
1975 06 01
Plastics — Polystyrene moulding and extrusion materials — Designation
Norm
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Norm
ISO 24022-1:2020
Issue date : 2020 08 25
Plastics — Polystyrene (PS) moulding and extrusion materials — Part 1: Designation system and basis for specifications