ISO 14632:2021
Extruded sheets of polyethylene (PE-HD) — Requirements and test methods
This document specifies the requirements and test methods for solid flat extruded sheets of polyethylene homopolymers (PE-HD) without fillers or reinforcing materials.
This document is applicable only to thicknesses of 0,5 mm to 40 mm. It also applies to PE-HD sheet in rolled form.
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Material
5 Requirements
5.1 Appearance
5.2 Dimensional tolerances
5.2.1 Thickness
5.2.2 Length and width
5.2.3 Rectangularity
5.2.4 Bow of sheets in rolled form
5.3 Properties
5.3.1 Mechanical and thermal properties
5.3.2 Behaviour after heating
5.3.3 Physiological behaviour
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)
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 Tensile stress at yield (σy) and tensile strain at yield (εy)
6.7 Modulus of elasticity in tension (Et)
6.8 Charpy impact strength of notched specimens (acn)
6.9 Melt mass-flow rate (MFR)
6.10 Determination of shrinkage after heating
7 Designation
7.1 Example for PE-HD sheets
7.2 Example for PE- HD sheets in rolled form
8 Marking
Annex A (normative) Requirements for rectangularity
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Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Material
5 Requirements
5.1 Appearance
5.2 Dimensional tolerances
5.2.1 Thickness
5.2.2 Length and width
5.2.3 Rectangularity
5.2.4 Bow of sheets in rolled form
5.3 Properties
5.3.1 Mechanical and thermal properties
5.3.2 Behaviour after heating
5.3.3 Physiological behaviour
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)
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 Tensile stress at yield (σy) and tensile strain at yield (εy)
6.7 Modulus of elasticity in tension (Et)
6.8 Charpy impact strength of notched specimens (acn)
6.9 Melt mass-flow rate (MFR)
6.10 Determination of shrinkage after heating
7 Designation
7.1 Example for PE-HD sheets
7.2 Example for PE- HD sheets in rolled form
8 Marking
Annex A (normative) Requirements for rectangularity