BS EN ISO 14631:2021

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Extruded sheets of impact-modified polystyrene (PS-I). Requirements and test methods

Published By	Publication Date	Number of Pages
BSI	2021	18

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Categories: 83.140.10 - Films and sheets, BSI

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Description

This document specifies the requirements and test methods for solid flat extruded sheets of impact-modified polystyrene (PS-I) without fillers and reinforcing materials.

This document applies only to thickness 0,25 mm to 20,0 . It also applies to PS-I sheet in roll form.

PDF Catalog

PDF Pages	PDF Title
2	National foreword
4	European foreword
6	Foreword
7	1 Scope 2 Normative references 3 Terms and definitions
8	4 Material 5 Requirements 5.1 Appearance 5.2 Dimensional tolerances 5.2.1 Thickness 5.2.2 Length and width
9	5.2.3 Rectangularity 5.2.4 Bow of sheets in rolled form 5.3 Properties 5.3.1 General 5.3.2 Mechanical and thermal properties
10	5.3.3 Behaviour after heating 5.3.4 Physiological behaviour
11	6 Test methods 6.1 Test specimens 6.1.1 Preparation of test specimens 6.1.2 Conditioning 6.1.3 Testing 6.2 Delivery condition 6.3 Appearance 6.4 Dimensions 6.4.1 Thickness (h)
12	6.4.2 Length (l) and width (b) 6.4.3 Rectangularity 6.4.4 Bow of sheets in rolled form 6.5 Density 6.6 Mechanical properties 6.6.1 Tensile stress at yield (σ Y) 6.6.2 Nominal tensile strain at break (ε tB) 6.6.3 Modulus of elasticity in tension (E t) 6.6.4 Charpy impact strength of unnotched specimens (a cU) 6.6.5 Charpy impact strength of notched specimens (a cN)
13	6.6.6 Multiaxial impact strength 6.6.7 Ball indentation hardness 6.7 Thermal properties 6.7.1 Vicat softening temperature 6.7.2 Determination of shrinkage after heating
14	7 Designation 7.1 Example for PS-I-sheets
15	7.2 Example for PS-I sheets in roll form 8 Marking
16	Annex A (informative) Additional guide values
17	Bibliography

Additional information

Status	Definitive
Pages	18
Publication Date	2021-07-09
ISBN	978 0 539 16636 1
Standard Number	BS EN ISO 14631:2021
Title	Extruded sheets of impact-modified polystyrene (PS-I). Requirements and test methods
Identical National Standard Of	EN ISO 14631, ISO 14631
Replaces	BS EN ISO 14631:1999
Descriptors	Length, Defects, Modulus of elasticity, Testing conditions, Sheet materials, Marking, Dimensional changes, Hardness, Width, Thermal properties of materials, Approval testing, Softening point, Extruding, Rolls, Performance testing, Shrinkage, Tensile strain, Designations, Shrinkage tests, Mechanical properties of materials, Strength of materials, Thickness, Polystyrene, Plastics, Dimensional tolerances, Curved, Dimensional measurement, Rectangular shape, Specimen preparation, Accuracy, Thickness measurement, Form tolerances, Impact strength
Publisher	BSI
Committee	PRI/75
ICS Codes	83.140.10 - Films and sheets

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BS EN ISO 14631:2021

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