prEN ISO 14419
(Main)Textiles - Oil repellency - Hydrocarbon resistance test (ISO/FDIS 14419:2026)
- Abstract
This document specifies a method for the evaluation of a substrate's resistance to absorption of a selected series of liquid hydrocarbons of different surface tensions.
This document provides guidance to oil stain resistance. It can provide a rough index of oil stain resistance as, generally, the higher the oil repellency grade, the better resistance to staining by oily materials, especially liquid oil substances. This is particularly true when comparing various finishes for a given substrate. This document can also be used to determine if washing and/or drycleaning treatments have any adverse effect on the oil repellency characteristics of a substrate.
NOTE 1 Washing and drycleaning treatment procedures are described in ISO 6330 and ISO 3175 (all parts), respectively.
This document is not intended to give an absolute measure of the resistance of the substrate to staining by all oily materials. Other factors, such as composition and viscosity of the oily substances, substrate construction, fibre type, dyes and other finishing agents, also influence stain resistance. This document is not intended to estimate the resistance to penetration of the substrate by oil-based chemicals.
NOTE 2 For the evaluation of the resistance to penetration of the substrate by oil-based chemicals, see ISO 6530.
- Status
- Not Published
- Publication Date
- 02-Apr-2028
- Technical Committee
- CEN/TC 248 - Textiles and textile products
- Drafting Committee
- CEN/TC 248 - Textiles and textile products
- Current Stage
- 4020 - Submission to enquiry - Enquiry
- Start Date
- 15-Oct-2026
- Completion Date
- 15-Oct-2026
prEN ISO 14419 is a CEN draft standard for textiles, aligned with ISO/FDIS 14419:2026. It specifies a hydrocarbon resistance test for evaluating a substrate’s resistance to absorption of selected liquid hydrocarbons with different surface tensions. In practice, it helps laboratories and textile manufacturers compare oil repellency grades and check whether washing or drycleaning changes a substrate’s oil repellency.
What does prEN ISO 14419 specify?
prEN ISO 14419 specifies a laboratory method for judging how a textile substrate reacts to a selected series of liquid hydrocarbons. It gives a practical index for oil stain resistance, but it is not an absolute measure for all oily materials and it is not a penetration test for oil-based chemicals.
The document is organized into 12 clauses and one informative annex.
| Annex | What it covers |
|---|---|
| Annex A | Precision and bias statement |
The scope also makes clear that washing and drycleaning treatments can be checked for their effect on oil repellency. That matters when a finish has to survive care processes, not just initial testing.
What are the key requirements of prEN ISO 14419?
prEN ISO 14419 is built around a drop test with standard hydrocarbons, controlled conditioning, visual grading, and a defined way to report the final oil repellency grade. The most important points are in the test liquids, the specimen handling, the observation rules, and the grading logic.
Test liquids and materials
Clause 6 requires analytical-grade reagents and standard test liquids stored at controlled temperature. The liquid series includes white mineral oil and progressively more volatile hydrocarbons, so the test can identify the point where a fabric stops resisting absorption. In practice, purity and storage matter because they affect surface tension and therefore the result.
Clause 6 also specifies white textile blotting paper and white mineral oil. The blotting paper supports the visual reading of wetting, and the mineral oil acts as the reference liquid for a grade of zero.
Specimens and conditioning
Clause 8 requires three test specimens of about 35 cm by 35 cm, chosen to represent the fabric’s physical and colour characteristics. They must be conditioned for at least 4 h at the atmosphere defined in ISO 139. In practice, this helps keep moisture and temperature from changing the result.
Test procedure
Clause 9 places the specimen face up on blotting paper, and testing must be completed within 30 min after removal from conditioning. For open-weave or thin substrates, the specimen is laid over at least two layers of the same substrate so the liquid does not wet the support instead of the test piece.
The test starts with the lowest-numbered liquid and uses five drops at separate locations. Each drop is observed for (30 ± 2) s from about a 45° angle, and the reverse side is checked immediately for wetting. The procedure continues with higher-numbered liquids until obvious wetting or wicking appears.
Evaluation and reporting
Clause 10 defines the oil repellency grade as the highest-numbered liquid that does not wet the substrate within the set time. A pass is based on three or more of the five drops showing a clear, rounded appearance; a failure is based on three or more drops showing complete wetting or wicking.
Clause 11 requires the result to be measured on two specimens, with a third if the first two do not agree. If the third agrees with one of the first two, that value is reported; otherwise, the median is reported. That rule helps control normal test variation and flags non-uniform fabric or contamination.
Clause 12 lists the minimum test report content: the standard reference, sample identification, number of specimens, conditioning and testing atmosphere, any deviations, the results, the oil repellency grade, and the test date.
What terms does prEN ISO 14419 define?
prEN ISO 14419 defines two terms and uses several practical abbreviations tied to the test method.
- Grade - a step on the standard reference scale used to express the test result.
- Oil repellency - the fabric characteristic of resisting absorption of oily liquids.
- Relative humidity (RH) - the humidity level used in the conditioning atmosphere before testing.
- CAS Registry Number (CAS RN) - the identifier used for white mineral oil in the materials section.
Who uses prEN ISO 14419?
prEN ISO 14419 is used by textile laboratories, textile manufacturers, and quality control teams that need a repeatable way to compare oil repellency finishes. It is also useful for buyers and product developers who need to check whether a substrate keeps its oil repellency after washing or drycleaning.
The method is relevant to people working with fabrics, finishes, and substrate selection, because the result depends on construction, fibre type, dyes, and other finishing agents as well as the oil itself.
What changed in prEN ISO 14419 from the previous edition?
prEN ISO 14419 is a fourth edition that cancels and replaces ISO 14419:2025. The stated main change is the correction in 6.2, Table 1, to reinstate n-heptane, which had been omitted in the third edition.
Which standards are used with prEN ISO 14419?
prEN ISO 14419 cites ISO 139 as a normative reference. ISO 139 provides the standard atmosphere for conditioning and testing, which is essential to make results comparable across laboratories.
The document also points users to related procedures and companion methods:
- ISO 6330 - domestic washing and drying procedures for textile testing, used when checking the effect of washing.
- ISO 3175-1 to ISO 3175-6 - professional care, drycleaning and wetcleaning procedures, used when checking the effect of care treatments.
- ISO 6530 - a related method for evaluating resistance to penetration by oil-based chemicals.
What does the prEN ISO 14419 document contain?
The document contains the scope, the referenced standard atmosphere, terms and definitions, the test principle, safety precautions, materials, apparatus, specimen preparation, the drop test procedure, evaluation rules, result treatment, and the test report content. Table 1 lists the standard test liquids used in the method, and Figure 1 shows how pass, borderline pass, and fail appearances are interpreted.
Annex A gives precision and bias information based on interlaboratory studies. It includes statistical treatment for repeatability and reproducibility, which is useful when laboratories need to judge whether two reported grades are meaningfully different.
Relations
- Effective Date
- 30-May-2026
- Effective Date
- 27-May-2026
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Frequently Asked Questions
prEN ISO 14419 is a draft published by the European Committee for Standardization (CEN). Its full title is "Textiles - Oil repellency - Hydrocarbon resistance test (ISO/FDIS 14419:2026)". This standard covers: This document specifies a method for the evaluation of a substrate's resistance to absorption of a selected series of liquid hydrocarbons of different surface tensions. This document provides guidance to oil stain resistance. It can provide a rough index of oil stain resistance as, generally, the higher the oil repellency grade, the better resistance to staining by oily materials, especially liquid oil substances. This is particularly true when comparing various finishes for a given substrate. This document can also be used to determine if washing and/or drycleaning treatments have any adverse effect on the oil repellency characteristics of a substrate. NOTE 1 Washing and drycleaning treatment procedures are described in ISO 6330 and ISO 3175 (all parts), respectively. This document is not intended to give an absolute measure of the resistance of the substrate to staining by all oily materials. Other factors, such as composition and viscosity of the oily substances, substrate construction, fibre type, dyes and other finishing agents, also influence stain resistance. This document is not intended to estimate the resistance to penetration of the substrate by oil-based chemicals. NOTE 2 For the evaluation of the resistance to penetration of the substrate by oil-based chemicals, see ISO 6530.
This document specifies a method for the evaluation of a substrate's resistance to absorption of a selected series of liquid hydrocarbons of different surface tensions. This document provides guidance to oil stain resistance. It can provide a rough index of oil stain resistance as, generally, the higher the oil repellency grade, the better resistance to staining by oily materials, especially liquid oil substances. This is particularly true when comparing various finishes for a given substrate. This document can also be used to determine if washing and/or drycleaning treatments have any adverse effect on the oil repellency characteristics of a substrate. NOTE 1 Washing and drycleaning treatment procedures are described in ISO 6330 and ISO 3175 (all parts), respectively. This document is not intended to give an absolute measure of the resistance of the substrate to staining by all oily materials. Other factors, such as composition and viscosity of the oily substances, substrate construction, fibre type, dyes and other finishing agents, also influence stain resistance. This document is not intended to estimate the resistance to penetration of the substrate by oil-based chemicals. NOTE 2 For the evaluation of the resistance to penetration of the substrate by oil-based chemicals, see ISO 6530.
prEN ISO 14419 is classified under the following ICS (International Classification for Standards) categories: 59.080.01 - Textiles in general. The ICS classification helps identify the subject area and facilitates finding related standards.
prEN ISO 14419 has the following relationships with other standards: It is inter standard links to ISO/FDIS 14419, EN ISO 14419:2025. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
prEN ISO 14419 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
SLOVENSKI STANDARD
01-december-2026
Tekstilije - Oleofobnost - Preskus odpornosti z ogljikovodiki (ISO/FDIS 14419:2026)
Textiles - Oil repellency - Hydrocarbon resistance test (ISO/FDIS 14419:2026)
Textilien - Ölabweisung - Prüfung der Beständigkeit gegen Kohlenwasserstoffe
(ISO/FDIS 14419:2026)
Textiles - Oléofugation - Essai de résistance aux hydrocarbures (ISO/FDIS 14419:2026)
Ta slovenski standard je istoveten z: prEN ISO 14419
ICS:
59.080.01 Tekstilije na splošno Textiles in general
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
FINAL DRAFT
International
Standard
ISO/FDIS 14419
ISO/TC 38/SC 2
Textiles — Oil repellency —
Secretariat: SAC
Hydrocarbon resistance test
Voting begins on:
Textiles — Oléofugation — Essai de résistance aux hydrocarbures 2026-10-12
Voting terminates on:
2027-01-04
RECIPIENTS OF THIS DRAFT ARE INVITED TO SUBMIT,
WITH THEIR COMMENTS, NOTIFICATION OF ANY
RELEVANT PATENT RIGHTS OF WHICH THEY ARE AWARE
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INTERNATIONAL STANDARDS MAY ON OCCASION HAVE
TO BE CONSIDERED IN THE LIGHT OF THEIR POTENTIAL
TO BECOME STAN DARDS TO WHICH REFERENCE MAY BE
MADE IN NATIONAL REGULATIONS.
Reference number
ISO/FDIS 14419:2026(en) © ISO 2026
FINAL DRAFT
ISO/FDIS 14419:2026(en)
International
Standard
ISO/FDIS 14419
ISO/TC 38/SC 2
Textiles — Oil repellency —
Secretariat: SAC
Hydrocarbon resistance test
Voting begins on:
Textiles — Oléofugation — Essai de résistance aux hydrocarbures
Voting terminates on:
© ISO 2026
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Reference number
ISO/FDIS 14419:2026(en) © ISO 2026
ii
ISO/FDIS 14419:2026(en)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 2
5 Safety precautions. 2
6 Reagents and materials . 2
7 Apparatus . 3
8 Test specimens . 3
9 Procedure . 3
10 Evaluation . 4
11 Evaluation of results . 4
12 Test report . 5
Annex A (informative) Precision and bias statement . 6
Bibliography . 7
iii
ISO/FDIS 14419:2026(en)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out through
ISO technical committees. Each member body interested in a subject for which a technical committee
has been established has the right to be represented on that committee. International organizations,
governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely
with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are described
in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the different types
of ISO document should be noted. This document was drafted in accordance with the editorial rules of the
ISO/IEC Directives, Part 2 (see www.iso.org/directives).
ISO draws attention to the possibility that the implementation of this document may involve the use of (a)
patent(s). ISO takes no position concerning the evidence, validity or applicability of any claimed patent
rights in respect thereof. As of the date of publication of this document, ISO had not received notice of (a)
patent(s) which may be required to implement this document. However, implementers are cautioned that
this may not represent the latest information, which may be obtained from the patent database available at
www.iso.org/patents. ISO shall not be held responsible for identifying any or all such patent rights.
Any trade name used in this document is information given for the convenience of users and does not
constitute an endorsement.
For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and expressions
related to conformity assessment, as well as information about ISO's adherence to the World Trade
Organization (WTO) principles in the Technical Barriers to Trade (TBT), see www.iso.org/iso/foreword.html.
This document was prepared by Technical Committee ISO/TC 38, Textiles, Subcommittee SC 2, Cleansing,
finishing and water resistance tests, in collaboration with the European Committee for Standardization
(CEN) Technical Committee CEN/TC 248, Textiles and textile products, in accordance with the Agreement on
technical cooperation between ISO and CEN (Vienna Agreement).
This fourth edition cancels and replaces the third edition (ISO 14419:2025), of which it constitutes a minor
revision.
The main change is as follows:
— in 6.2, Table 1 has been corrected to reinstate n-heptane, which was unintentionally omitted in the third
edition.
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www.iso.org/members.html.
iv
FINAL DRAFT International Standard ISO/FDIS 14419:2026(en)
Textiles — Oil repellency — Hydrocarbon resistance test
1 Scope
This document specifies a method for the evaluation of a substrate's resistance to absorption of a selected
series of liquid hydrocarbons of different surface tensions.
This document provides guidance to oil stain resistance. It can provide a rough index of oil stain resistance
as, generally, the higher the oil repellency grade, the better resistance to staining by oily materials, especially
liquid oil substances. This is particularly true when comparing various finishes for a given substrate. This
document can also be used to determine if washing and/or drycleaning treatments have any adverse effect
on the oil repellency characteristics of a substrate.
[1] [2] [3]
NOTE 1 Washing and drycleaning treatment procedures are described in ISO 6330 , ISO 3175-1 , ISO 3175-2 ,
[4] [5] [6] [7]
ISO 3175-3 , ISO 3175-4 , ISO 3175-5 and ISO 3175-6 .
This document is not intended to give an absolute measure of the resistance of the substrate to staining
by all oily materials. Other factors, such as composition and viscosity of the oily substances, substrate
construction, fibre type, dyes and other finishing agents, also influence stain resistance. This document is
not intended to estimate the resistance to penetration of the substrate by oil-based chemicals.
[1]
NOTE 2 For the evaluation of the resistance to penetration of the substrate by oil-based chemicals, see ISO 6330 .
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content constitutes
requirements of this document. For dated references, only the edition cited applies. For undated references,
the latest edition of the referenced document (including any amendments) applies.
ISO 139, Textiles — Standard atmospheres for conditioning and testing
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminology databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https:// www .iso .org/ obp
— IEC Electropedia: available at https:// www .electropedia .org/
3.1
grade, noun
symbol for any step of a multistep standard reference scale for a quality characteristic
Note 1 to entry: The grade is assigned to test specimens exhibiting a degree of the quality comparable to that step of
the standard reference scale.
3.2
oil repellency, noun
characteristic of a fabric whereby it resists absorption of oily liquids
ISO/FDIS 14419:2026(en)
4 Principle
Drops of standard test liquids, consisting of a selected series of hydrocarbons with different surface tensions,
are placed on the substrate surface and then observed for absorption, wicking and contact angle. The oil
repellency grade is the highest numbered test liquid which is not absorbed by the substrate surface.
5 Safety precautions
WARNING — These safety precautions are for information purposes only. The precautions
are ancillary to the testing procedures and are not intended to be all inclusive. It is the user's
responsibility to use safe and proper techniques in handling materials in this document. The
manufacturers should be consulted for specific detail such as material safety data sheets and other
manufacturer's recommendations.
5.1 Good laboratory practices shoul
...