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EVS-EN 12608-3:2026
Unplasticized poly(vinyl chloride) (PVC-U) profiles for the fabrication of windows and doors - Classification, requirements and test methods - Part 3: PVC-U profiles covered with paint
Scope:
This document specifies the classifications, requirements and test methods for unplasticized poly(vinyl chloride) (PVC-U) profiles covered with paint designed for external uses which are intended to be used for the fabrication of windows and doors.
NOTE 1 The terms lacquer, varnish and coating are used as synonyms for paint.
NOTE 2 For editorial reasons in this document the term “window” is used for window/door.
NOTE 3 For the purpose of production control, test methods other than those specified in this document can be used.
NOTE 1 The terms lacquer, varnish and coating are used as synonyms for paint.
NOTE 2 For editorial reasons in this document the term “window” is used for window/door.
NOTE 3 For the purpose of production control, test methods other than those specified in this document can be used.
Base documents:
EN 12608-3:2026
EVS-EN ISO 10840:2026
Plastics - Specifications and guidance for the use of standard fire tests (ISO 10840:2026)
Scope:
This document provides specifications and guidance for the use of standard fire testing for plastics and the products in the following aspects:
— selection of appropriate tests that reflect realistic end-use conditions;
— grouping of the reaction-to-fire characteristics that any given test or tests can measure;
— assessment of tests as to their relevance in areas such as material characterisation, quality control, pre-selection, end-product testing, environmental profiling and design for the environment (DfE);
— definition of potential problems that can arise when plastics are tested in standard fire tests.
This document does not include specification for development or design of new fire-tests for plastics.
— selection of appropriate tests that reflect realistic end-use conditions;
— grouping of the reaction-to-fire characteristics that any given test or tests can measure;
— assessment of tests as to their relevance in areas such as material characterisation, quality control, pre-selection, end-product testing, environmental profiling and design for the environment (DfE);
— definition of potential problems that can arise when plastics are tested in standard fire tests.
This document does not include specification for development or design of new fire-tests for plastics.
Base documents:
ISO 10840:2026; EN ISO 10840:2026
EVS-EN ISO 3219-3:2026
Rheology - Part 3: Test procedure and examples for the evaluation of results when using rotational and oscillatory rheometry (ISO 3219-3:2026)
Scope:
This document provides requirements and guidelines for selecting the measuring device, measuring geometry and temperature control unit for tests involving rotational and oscillatory rheometry. The general principles of test performance are described and example evaluations of rotational and oscillatory rheometry are provided.
Base documents:
ISO 3219-3:2026; EN ISO 3219-3:2026
EVS-EN ISO 8207:2026
Gas welding equipment - Specification for hose assemblies for equipment for welding, cutting and allied processes (ISO 8207:2026)
Scope:
This document specifies the performance and test requirements of hose assemblies supplied in assembled condition using rubber hose according to ISO 3821 up to and including nominal size 20,0, for gas welding, cutting and allied processes.
This document is not applicable to high-pressure hose assemblies upstream of the pressure regulators.
This document is not applicable to high-pressure hose assemblies upstream of the pressure regulators.
Base documents:
ISO 8207:2026; EN ISO 8207:2026
Replaces:
EVS-EN 1256:2006
ISO 8067:2026
Flexible cellular polymeric materials — Determination of tear strength
Scope:
This document specifies two methods for the determination of the tear strength of flexible cellular polymeric materials:
Method A, using a trouser test piece;
Method B, using an angle test piece without a nick.
Method A, using a trouser test piece;
Method B, using an angle test piece without a nick.
Base documents:
Replaces:
ISO 8067:2018
ISO 3219-3:2026
Rheology — Part 3: Test procedure and examples for the evaluation of results when using rotational and oscillatory rheometry
Scope:
This document provides requirements and guidelines for selecting the measuring device, measuring geometry and temperature control unit for tests involving rotational and oscillatory rheometry. The general principles of test performance are described and example evaluations of rotational and oscillatory rheometry are provided.
Base documents:
ISO 4437-3:2026
Plastics piping systems for the supply of gaseous fuels — Polyethylene (PE) — Part 3: Fittings
Scope:
This document specifies the characteristics of fusion fittings made from polyethylene (PE) as well as of mechanical fittings for piping systems in the field of the supply of gaseous fuels.
NOTE 1 Additional information related to the installation of PE 100-RC systems is given in ISO 4437-1:2026, Annex A.
NOTE 2 Additional information about the suitability of PE pipe systems for hydrogen and its admixtures is given in ISO 4437-1:2026, Annex D.
It also specifies the test parameters for the test methods referred to in this document.
In conjunction with ISO 4437-1, ISO 4437-2, ISO 4437-4 and ISO 4437-5, this document is applicable to PE pipes, fittings and valves, their joints, and joints with components of PE and other materials intended to be used under the following conditions:
a) a maximum operating pressure (MOP) up to and including 10 bar1), at a design reference temperature of 20 °C;
b) an operating temperature between −20 °C and 40 °C.
For operating temperatures between 20 °C and 40 °C, derating coefficients are specified in ISO 4437-5.
The ISO 4437 series covers a range of MOPs and gives requirements concerning colours.
This document is applicable for fittings of the following types:
— electrofusion socket fittings;
— electrofusion saddle fittings;
— spigot end fittings (for butt fusion using heated tools and electrofusion);
— socket fusion fittings;
— mechanical fittings.
It is the responsibility of the purchaser or specifier to make the appropriate selections from these aspects, taking into account their particular requirements and any relevant national guidance or regulations and installation practices or codes.
NOTE 3 The fittings can be, for example, in the form of couplers, saddles, equal and reduced tees, reducers, elbows, bends or end caps.
NOTE 4 Fabricated fittings are normally not used for gas applications except for larger dimensions or in the absence of other solutions. Guidance can be found in ISO 4427-3:2019, Annex B.
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1) 1 bar = 0,1 MPa = 105 Pa; 1 MPa = 1 N/mm2.
NOTE 1 Additional information related to the installation of PE 100-RC systems is given in ISO 4437-1:2026, Annex A.
NOTE 2 Additional information about the suitability of PE pipe systems for hydrogen and its admixtures is given in ISO 4437-1:2026, Annex D.
It also specifies the test parameters for the test methods referred to in this document.
In conjunction with ISO 4437-1, ISO 4437-2, ISO 4437-4 and ISO 4437-5, this document is applicable to PE pipes, fittings and valves, their joints, and joints with components of PE and other materials intended to be used under the following conditions:
a) a maximum operating pressure (MOP) up to and including 10 bar1), at a design reference temperature of 20 °C;
b) an operating temperature between −20 °C and 40 °C.
For operating temperatures between 20 °C and 40 °C, derating coefficients are specified in ISO 4437-5.
The ISO 4437 series covers a range of MOPs and gives requirements concerning colours.
This document is applicable for fittings of the following types:
— electrofusion socket fittings;
— electrofusion saddle fittings;
— spigot end fittings (for butt fusion using heated tools and electrofusion);
— socket fusion fittings;
— mechanical fittings.
It is the responsibility of the purchaser or specifier to make the appropriate selections from these aspects, taking into account their particular requirements and any relevant national guidance or regulations and installation practices or codes.
NOTE 3 The fittings can be, for example, in the form of couplers, saddles, equal and reduced tees, reducers, elbows, bends or end caps.
NOTE 4 Fabricated fittings are normally not used for gas applications except for larger dimensions or in the absence of other solutions. Guidance can be found in ISO 4427-3:2019, Annex B.
----------------------------------------
1) 1 bar = 0,1 MPa = 105 Pa; 1 MPa = 1 N/mm2.
Base documents:
Replaces:
ISO 4437-3:2024
ISO 7986:2026
Hydraulic fluid power — Sealing devices — Standard test methods to assess the performance of rod seals used in oil hydraulic reciprocating applications
Scope:
This document defines the test conditions and methods for assessing the performance of seals used in oil hydraulic reciprocating applications.
Base documents:
Replaces:
ISO 7986:1997
ISO 4437-2:2026
Plastics piping systems for the supply of gaseous fuels — Polyethylene (PE) — Part 2: Pipes
Scope:
This document specifies the characteristics of pipes made from polyethylene (PE) for piping systems in the field of the supply of gaseous fuels.
NOTE 1 Additional information related to the installation of PE 100-RC systems is given in ISO 4437-1:2026, Annex A.
NOTE 2 Additional information about the suitability of PE pipe systems for hydrogen and its admixtures is given in ISO 4437-1:2026, Annex D.
It also specifies the test parameters for the test methods referred to in this document.
In conjunction with ISO 4437-1, ISO 4437-3, ISO 4437-4 and ISO 4437-5, this document is applicable to PE pipes, fittings and valves, their joints, and joints with components of PE and other materials intended to be used under the following conditions:
a) a maximum operating pressure (MOP) up to and including 10 bar1), at a design reference temperature of 20 °C;
b) an operating temperature between −20 °C and 40 °C.
For operating temperatures between 20 °C and 40 °C, derating coefficients are specified in ISO 4437-5.
The ISO 4437 series covers a range of MOPs and gives requirements concerning colours.
This document is applicable to three types of pipe:
— PE pipes (outside diameter, dn) including any identification stripes;
— PE pipes with co-extruded layers on either or both the outside and/or inside of the pipe (total outside diameter, dn) as specified in Annex A, where all PE layers have the same MRS rating;
— PE pipes (outside diameter, dn) with a peelable and contiguous thermoplastics additional layer on the outside of the pipe ("coated pipe") as specified in Annex B.
It is the responsibility of the purchaser or specifier to make the appropriate selections from these aspects, taking into account their particular requirements and any relevant national guidance or regulations and installation practices or codes.
----------------------------------------
1) 1 bar = 0,1 MPa = 105 Pa; 1 MPa = 1 N/mm2.
NOTE 1 Additional information related to the installation of PE 100-RC systems is given in ISO 4437-1:2026, Annex A.
NOTE 2 Additional information about the suitability of PE pipe systems for hydrogen and its admixtures is given in ISO 4437-1:2026, Annex D.
It also specifies the test parameters for the test methods referred to in this document.
In conjunction with ISO 4437-1, ISO 4437-3, ISO 4437-4 and ISO 4437-5, this document is applicable to PE pipes, fittings and valves, their joints, and joints with components of PE and other materials intended to be used under the following conditions:
a) a maximum operating pressure (MOP) up to and including 10 bar1), at a design reference temperature of 20 °C;
b) an operating temperature between −20 °C and 40 °C.
For operating temperatures between 20 °C and 40 °C, derating coefficients are specified in ISO 4437-5.
The ISO 4437 series covers a range of MOPs and gives requirements concerning colours.
This document is applicable to three types of pipe:
— PE pipes (outside diameter, dn) including any identification stripes;
— PE pipes with co-extruded layers on either or both the outside and/or inside of the pipe (total outside diameter, dn) as specified in Annex A, where all PE layers have the same MRS rating;
— PE pipes (outside diameter, dn) with a peelable and contiguous thermoplastics additional layer on the outside of the pipe ("coated pipe") as specified in Annex B.
It is the responsibility of the purchaser or specifier to make the appropriate selections from these aspects, taking into account their particular requirements and any relevant national guidance or regulations and installation practices or codes.
----------------------------------------
1) 1 bar = 0,1 MPa = 105 Pa; 1 MPa = 1 N/mm2.
Base documents:
Replaces:
ISO 4437-2:2024
ISO 24862:2026
Plastics — Polyols for use in the production of polyurethanes — Determination of degree of unsaturation for polyols by Raman spectrometric method
Scope:
This document specifies a method to measure the total unsaturation of polyether polyols used in the production of polyurethanes by a Raman spectrometric method. It is not applicable to unsaturated compounds that are conjugated with a carbonyl group, a carboxyl group, or a nitrile group.
Base documents:
ISO 4437-1:2026
Plastics piping systems for the supply of gaseous fuels — Polyethylene (PE) — Part 1: General
Scope:
This document specifies materials and the general aspects of polyethylene (PE) piping systems in the field of the supply of gaseous fuels.
NOTE For the purpose of this document, the term gaseous fuels includes, for example, natural gas, methane, butane, propane, hydrogen, manufactured gas, biogas, and mixtures of these gases.
This document also specifies the test parameters for the test methods referred to in this document.
In conjunction with ISO 4437-2, ISO 4437-3, ISO 4437-4 and ISO 4437-5, this document is applicable to PE pipes, fittings and valves, their joints, and joints with components of PE and other materials intended to be used under the following conditions:
a) a maximum operating pressure (MOP) up to and including 10 bar1), at a design reference temperature of 20 °C;
b) an operating temperature between −20 °C and 40 °C.
For operating temperatures between 20 °C and 40 °C, derating coefficients are specified in ISO 4437-5.
The ISO 4437 series covers a range of MOPs and gives requirements concerning colours.
It is the responsibility of the purchaser or specifier to make the appropriate selections from these aspects, taking into account their particular requirements and any relevant national guidance or regulations and installation practices or codes
-------------------------------------------------
1) 1 bar = 0,1 MPa = 105 Pa; 1 MPa = 1 N/mm2.
NOTE For the purpose of this document, the term gaseous fuels includes, for example, natural gas, methane, butane, propane, hydrogen, manufactured gas, biogas, and mixtures of these gases.
This document also specifies the test parameters for the test methods referred to in this document.
In conjunction with ISO 4437-2, ISO 4437-3, ISO 4437-4 and ISO 4437-5, this document is applicable to PE pipes, fittings and valves, their joints, and joints with components of PE and other materials intended to be used under the following conditions:
a) a maximum operating pressure (MOP) up to and including 10 bar1), at a design reference temperature of 20 °C;
b) an operating temperature between −20 °C and 40 °C.
For operating temperatures between 20 °C and 40 °C, derating coefficients are specified in ISO 4437-5.
The ISO 4437 series covers a range of MOPs and gives requirements concerning colours.
It is the responsibility of the purchaser or specifier to make the appropriate selections from these aspects, taking into account their particular requirements and any relevant national guidance or regulations and installation practices or codes
-------------------------------------------------
1) 1 bar = 0,1 MPa = 105 Pa; 1 MPa = 1 N/mm2.
Base documents:
Replaces:
ISO 4437-1:2024
Replaced standards
ISO 7986:1997
Hydraulic fluid power -- Sealing devices -- Standard test methods to assess the performance of seals used in oil hydraulic reciprocating applications
Scope:
Base documents:
Replaced:
ISO 7986:2026
ISO 8067:2018
Flexible cellular polymeric materials -- Determination of tear strength
Scope:
This document specifies two methods for the determination of the tear strength of flexible cellular polymeric materials:
- method A, using a trouser test piece;
- method B, using an angle test piece without a nick.
- method A, using a trouser test piece;
- method B, using an angle test piece without a nick.
Base documents:
Replaced:
ISO 8067:2026
ISO 4437-3:2024
Plastics piping systems for the supply of gaseous fuels — Polyethylene (PE) — Part 3: Fittings
Scope:
This document specifies the characteristics of fusion fittings made from polyethylene (PE) as well as of mechanical fittings for piping systems in the field of the supply of gaseous fuels.
It also specifies the test parameters for the test methods referred to in this document.
In conjunction with ISO 4437-1, ISO 4437-2, ISO 4437-4 and ISO 4437-5, this document is applicable to PE pipes, fittings and valves, their joints, and joints with components of PE and other materials intended to be used under the following conditions:
a) a maximum operating pressure (MOP), up to and including 10 bar[1], at a reference temperature of 20 °C for design purposes;
b) an operating temperature between −20 °C and 40 °C.
For operating temperatures between 20 °C and 40 °C, derating coefficients are defined in ISO 4437-5.
The ISO 4437 series covers a range of maximum operating pressures and gives requirements concerning colours.
It is the responsibility of the purchaser or specifier to make the appropriate selections from these aspects, taking into account their particular requirements and any relevant national regulations and installation practices or codes.
This document is applicable for fittings of the following types:
— electrofusion socket fittings;
— electrofusion saddle fittings;
— spigot end fittings (for butt fusion using heated tools and electrofusion socket fusion);
— socket fusion fittings;
— mechanical fittings.
NOTE 1 The fittings can be, for example, in the form of couplers, saddles, equal and reduced tees, reducers, elbows, bends or end caps.
NOTE 2 Fabricated fittings are normally not used for gas applications except for larger dimensions or in the absence of other solutions. Guidance can be found in ISO 4427-3:2019, Annex B.
[1] 1 bar = 0,1 MPa = 105 Pa; 1 MPa = 1 N/mm2.
It also specifies the test parameters for the test methods referred to in this document.
In conjunction with ISO 4437-1, ISO 4437-2, ISO 4437-4 and ISO 4437-5, this document is applicable to PE pipes, fittings and valves, their joints, and joints with components of PE and other materials intended to be used under the following conditions:
a) a maximum operating pressure (MOP), up to and including 10 bar[1], at a reference temperature of 20 °C for design purposes;
b) an operating temperature between −20 °C and 40 °C.
For operating temperatures between 20 °C and 40 °C, derating coefficients are defined in ISO 4437-5.
The ISO 4437 series covers a range of maximum operating pressures and gives requirements concerning colours.
It is the responsibility of the purchaser or specifier to make the appropriate selections from these aspects, taking into account their particular requirements and any relevant national regulations and installation practices or codes.
This document is applicable for fittings of the following types:
— electrofusion socket fittings;
— electrofusion saddle fittings;
— spigot end fittings (for butt fusion using heated tools and electrofusion socket fusion);
— socket fusion fittings;
— mechanical fittings.
NOTE 1 The fittings can be, for example, in the form of couplers, saddles, equal and reduced tees, reducers, elbows, bends or end caps.
NOTE 2 Fabricated fittings are normally not used for gas applications except for larger dimensions or in the absence of other solutions. Guidance can be found in ISO 4427-3:2019, Annex B.
[1] 1 bar = 0,1 MPa = 105 Pa; 1 MPa = 1 N/mm2.
Base documents:
Replaced:
ISO 4437-3:2026
ISO 4437-2:2024
Plastics piping systems for the supply of gaseous fuels — Polyethylene (PE) — Part 2: Pipes
Scope:
This document specifies the characteristics of pipes made from polyethylene (PE) for piping systems in the field of the supply of gaseous fuels.
It also specifies the test parameters for the test methods referred to in this document.
In conjunction with ISO 4437-1, ISO 4437-3, ISO 4437-4 and ISO 4437-5, this document is applicable to PE pipes, fittings and valves, their joints, and joints with components of PE and other materials intended to be used under the following conditions:
a) a maximum operating pressure (MOP), up to and including 10 bar[1], at a reference temperature of 20 °C for design purposes;
b) an operating temperature between −20 °C and 40 °C.
For operating temperatures between 20 °C and 40 °C, derating coefficients are defined in ISO 4437-5.
The ISO 4437 series covers a range of MOPs and gives requirements concerning colours.
This document is applicable to three types of pipes:
— PE pipes (outside diameter, dn) including any identification stripes;
— PE pipes with co-extruded layers on either or both the outside and/or inside of the pipe (total outside diameter, dn) as specified in Annex A, where all PE layers have the same MRS rating;
— PE pipes (outside diameter, dn) with a peelable and contiguous thermoplastics additional layer on the outside of the pipe ("coated pipe") as specified in Annex B.
It is the responsibility of the purchaser or specifier to make the appropriate selections from these aspects, taking into account their particular requirements and any relevant national regulations and installation practices or codes.
[1] 1 bar = 0,1 MPa = 105 Pa; 1 MPa = 1 N/mm2.
It also specifies the test parameters for the test methods referred to in this document.
In conjunction with ISO 4437-1, ISO 4437-3, ISO 4437-4 and ISO 4437-5, this document is applicable to PE pipes, fittings and valves, their joints, and joints with components of PE and other materials intended to be used under the following conditions:
a) a maximum operating pressure (MOP), up to and including 10 bar[1], at a reference temperature of 20 °C for design purposes;
b) an operating temperature between −20 °C and 40 °C.
For operating temperatures between 20 °C and 40 °C, derating coefficients are defined in ISO 4437-5.
The ISO 4437 series covers a range of MOPs and gives requirements concerning colours.
This document is applicable to three types of pipes:
— PE pipes (outside diameter, dn) including any identification stripes;
— PE pipes with co-extruded layers on either or both the outside and/or inside of the pipe (total outside diameter, dn) as specified in Annex A, where all PE layers have the same MRS rating;
— PE pipes (outside diameter, dn) with a peelable and contiguous thermoplastics additional layer on the outside of the pipe ("coated pipe") as specified in Annex B.
It is the responsibility of the purchaser or specifier to make the appropriate selections from these aspects, taking into account their particular requirements and any relevant national regulations and installation practices or codes.
[1] 1 bar = 0,1 MPa = 105 Pa; 1 MPa = 1 N/mm2.
Base documents:
Replaced:
ISO 4437-2:2026
ISO 4437-1:2024
Plastics piping systems for the supply of gaseous fuels — Polyethylene (PE) — Part 1: General
Scope:
This document specifies materials and the general aspects of polyethylene (PE) piping systems in the field of the supply of gaseous fuels.
It also specifies the test parameters for the test methods referred to in this document.
In conjunction with ISO 4437-2, ISO 4437-3, ISO 4437-4 and ISO 4437-5, this document is applicable to PE pipes, fittings and valves, their joints, and joints with components of PE and other materials intended to be used under the following conditions:
a) a maximum operating pressure (MOP) up to and including 10 bar[1], at a reference temperature of 20 °C for design purposes;
b) an operating temperature between −20 °C and 40 °C.
For operating temperatures between 20 °C and 40 °C, derating coefficients are defined in ISO 4437-5.
The ISO 4437 series covers a range of MOPs and gives requirements concerning colours.
It is the responsibility of the purchaser or specifier to make the appropriate selections from these aspects, taking into account their particular requirements and any relevant national regulations and installation practices or codes.
[1] 1 bar = 0,1 MPa = 105 Pa; 1 MPa = 1 N/mm2.
It also specifies the test parameters for the test methods referred to in this document.
In conjunction with ISO 4437-2, ISO 4437-3, ISO 4437-4 and ISO 4437-5, this document is applicable to PE pipes, fittings and valves, their joints, and joints with components of PE and other materials intended to be used under the following conditions:
a) a maximum operating pressure (MOP) up to and including 10 bar[1], at a reference temperature of 20 °C for design purposes;
b) an operating temperature between −20 °C and 40 °C.
For operating temperatures between 20 °C and 40 °C, derating coefficients are defined in ISO 4437-5.
The ISO 4437 series covers a range of MOPs and gives requirements concerning colours.
It is the responsibility of the purchaser or specifier to make the appropriate selections from these aspects, taking into account their particular requirements and any relevant national regulations and installation practices or codes.
[1] 1 bar = 0,1 MPa = 105 Pa; 1 MPa = 1 N/mm2.
Base documents:
Replaced:
ISO 4437-1:2026
Drafts
prEN ISO 472-3
Plastics - Vocabulary - Part 3: Welding and thermal staking of plastics (ISO/DIS 472‑3:2026)
Scope:
The ISO 472 series defines terms used in the plastics industry, including terms and definitions appearing in the plastics standards of ISO/TC 61 and general terms and definitions of polymer science used in all aspects of plastics technology.
This document defines terms used in the plastics standards of ISO TC61/SC11 Plastics Products and relevant terms applied in the area of welding (including solvent welding) and thermal staking.
This document defines terms used in the plastics standards of ISO TC61/SC11 Plastics Products and relevant terms applied in the area of welding (including solvent welding) and thermal staking.
Base documents:
ISO/DIS 472-3; prEN ISO 472-3