ISO 180:2023
Plastics — Determination of Izod impact strength
This document specifies a method for determining the Izod impact strength of plastics under defined conditions. A number of different types of specimen and test configurations are defined. Different test parameters are specified according to the type of material, the type of test specimen and the type of notch.
The method is used to investigate the behaviour of specified types of specimen under the impact conditions defined and for estimating the brittleness or toughness of specimens within the limitations inherent in the test conditions.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
5.1 Test machine
5.2 Micrometers and gauges
6 Test specimens
6.1 Preparation
6.1.1 Moulding and extrusion compounds
6.1.2 Sheets
6.1.3 Long-fibre-reinforced materials
6.1.4 Checking
6.1.5 Notching
6.2 Anisotropy
6.3 Shape and dimensions
6.3.1 General
6.3.2 Moulding and extrusion compounds
6.3.3 Sheet materials, including long-fibre-reinforced materials
6.4 Number of test specimens
6.5 Conditioning
7 Procedure
8 Calculation and expression of results
8.1 Unnotched specimens
8.2 Notched specimens
8.3 Statistical parameters
8.4 Significant figures
9 Precision
10 Test report
Annex A (informative) Precision statement
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Apparatus
5.1 Test machine
5.2 Micrometers and gauges
6 Test specimens
6.1 Preparation
6.1.1 Moulding and extrusion compounds
6.1.2 Sheets
6.1.3 Long-fibre-reinforced materials
6.1.4 Checking
6.1.5 Notching
6.2 Anisotropy
6.3 Shape and dimensions
6.3.1 General
6.3.2 Moulding and extrusion compounds
6.3.3 Sheet materials, including long-fibre-reinforced materials
6.4 Number of test specimens
6.5 Conditioning
7 Procedure
8 Calculation and expression of results
8.1 Unnotched specimens
8.2 Notched specimens
8.3 Statistical parameters
8.4 Significant figures
9 Precision
10 Test report
Annex A (informative) Precision statement
Bibliography