ISO/TR 18588:2023

RAPPORT ISO/TR
TECHNIQUE 18588
Première édition
2023-09
Produits pétroliers — Caractérisation
des combustibles pour la marine par
la constante viscosité-gravité
Petroleum products — Characterization of marine fuels by viscosity-
gravity constant
Numéro de référence
ISO/TR 18588:2023(F)
© ISO 2023

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ISO/TR 18588:2023(F)
DOCUMENT PROTÉGÉ PAR COPYRIGHT
© ISO 2023
Tous droits réservés. Sauf prescription différente ou nécessité dans le contexte de sa mise en œuvre, aucune partie de cette
publication ne peut être reproduite ni utilisée sous quelque forme que ce soit et par aucun procédé, électronique ou mécanique,
y compris la photocopie, ou la diffusion sur l’internet ou sur un intranet, sans autorisation écrite préalable. Une autorisation peut
être demandée à l’ISO à l’adresse ci-après ou au comité membre de l’ISO dans le pays du demandeur.
ISO copyright office
Case postale 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Genève
Tél.: +41 22 749 01 11
E-mail: copyright@iso.org
Web: www.iso.org
Publié en Suisse
ii
  © ISO 2023 – Tous droits réservés

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ISO/TR 18588:2023(F)
Sommaire Page
Avant-propos .iv
Introduction .v
1 Domaine d'application .1
2 Références normatives .1
3 Termes et définitions . 1
4 Caractérisation des combustibles pétroliers . 1
4.1 Généralités . 1
4.2 BMCI (ou CI) . 2
4.2.1 Généralités . 2
4.2.2 Calcul du BMCI (ou CI) . 2
4.2.3 Algorithme pour calculer le BMCI (ou CI) . 3
4.3 Constante viscosité-gravité . 4
4.3.1 Généralités . 4
4.3.2 Calcul de la VGC . 4
4.3.3 Algorithme pour calculer la VGC . 4
5 Analyse des données fournies par les échantillons . 5
5.1 Généralités . 5
5.2 BMCI en fonction de la VGC et de la masse volumique pour combustibles dont la
teneur en soufre est ≤0,50 % en masse . 5
5.3 BMCI en fonction de la VGC et de la masse volumique pour combustibles dont la
teneur en soufre est ≥0,50 % en masse .
...

FINAL
TECHNICAL ISO/DTR
DRAFT
REPORT 18588
ISO/TC 28/SC 4
Petroleum products —
Secretariat: AFNOR
Characterization of marine fuels by
Voting begins on:
2023-05-25 viscosity gravity constant
Voting terminates on:
2023-07-20
RECIPIENTS OF THIS DRAFT ARE INVITED TO
SUBMIT, WITH THEIR COMMENTS, NOTIFICATION
OF ANY RELEVANT PATENT RIGHTS OF WHICH
THEY ARE AWARE AND TO PROVIDE SUPPOR TING
DOCUMENTATION.
IN ADDITION TO THEIR EVALUATION AS
Reference number
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO-
ISO/DTR 18588:2023(E)
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT 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. © ISO 2023

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ISO/DTR 18588:2023(E)
FINAL
TECHNICAL ISO/DTR
DRAFT
REPORT 18588
ISO/TC 28/SC 4
Petroleum products —
Secretariat: AFNOR
Characterization of marine fuels by
Voting begins on:
viscosity gravity constant
Voting terminates on:
COPYRIGHT PROTECTED DOCUMENT
© ISO 2023
All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may
be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on
the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below
or ISO’s member body in the country of the requester.
RECIPIENTS OF THIS DRAFT ARE INVITED TO
ISO copyright office
SUBMIT, WITH THEIR COMMENTS, NOTIFICATION
OF ANY RELEVANT PATENT RIGHTS OF WHICH
CP 401 • Ch. de Blandonnet 8
THEY ARE AWARE AND TO PROVIDE SUPPOR TING
CH-1214 Vernier, Geneva
DOCUMENTATION.
Phone: +41 22 749 01 11
IN ADDITION TO THEIR EVALUATION AS
Reference number
Email: copyright@iso.org
BEING ACCEPTABLE FOR INDUSTRIAL, TECHNO­
ISO/DTR 18588:2023(E)
Website: www.iso.org
LOGICAL, COMMERCIAL AND USER PURPOSES,
DRAFT INTERNATIONAL STANDARDS MAY ON
Published in Switzerland
OCCASION HAVE TO BE CONSIDERED IN THE
LIGHT OF THEIR POTENTIAL TO BECOME STAN­
DARDS TO WHICH REFERENCE MAY BE MADE IN
ii
  © ISO 2023 – All rights reserved
NATIONAL REGULATIONS. © ISO 2023

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ISO/DTR 18588:2023(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Characterization of petroleum fuels .1
4.1 General . 1
4.2 BMCI (or CI) . 2
4.2.1 General . 2
4.2.2 Calculation of BMCI (or CI) . 2
4.2.3 Algorithm to calculate BMCI (or CI) . 3
4.3 Viscosity-gravity constant . 3
4.3.1 General .
...

ISO/CD 8217:2022(E) Formatted: Font: 11 pt
ISO/DTR 18588:2023(E)
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ISO TC 28/SC 4/WG 6
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  Date: 2023-03-2705-11 Formatted: Bottom: 1 cm, Footer distance
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Secretariat: AFNOR
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Petroleum products — Characterisation of marine fuels by viscosity-gravity
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constant
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spacing: single, Tab stops: Not at 0.71 cm +
Produits pétroliers — Caractérisation des combustibles pour la marine par la constante
13.69 cm + 17.2 cm
viscosité-gravité
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DTR stage

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ISO/DTR 18588:2023(E) Formatted: Font: 11.5 pt
© ISO 2023
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single
All rights reserved. Unless otherwise specified, or required in the context of its implementation,
no part of this publication may be reproduced or utilized otherwise in any form or by any means,
Formatted: Font: 11.5 pt
electronic or mechanical, including photocopying, or posting on the internet or an intranet,
Formatted: Font: 11 pt, Not Bold
without prior written permission. Permission can be requested from either ISO at the address
below or ISO’sISO's member body in the country of the requester.
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ISO copyright officeCopyright Office
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CP 401 • Ch. de Blandonnet 8 Formatted: Font: 11 pt
CH-1214 Vernier, Geneva
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Phone: + 41 22 749 01 11
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Email: copyright@iso.org
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Website: www.iso.orgwww.iso.org
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Published in Switzerland.
cm
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Kingdom)
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Kingdom)
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stops: Not at 0.71 cm + 0.91 cm + 16.97 cm
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Kingdom)
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2 © ISO 2023 – All rights reserved
ii © ISO 2023 – All rights reserved

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ISO/DTR 18588:2023(E) Formatted: Font: 11.5 pt
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single
Contents     Page
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Foreword . iv
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Introduction . v
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1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 6
4 Characterisation of petroleum fuels . 6
4.1 General . 6
4.2 BMCI (or CI). 7
4.2.1 General . 7
4.2.2 Calculation of BMCI (or CI) . 7
4.2.3 Algorithm to calculate BMCI (or CI) . 9
4.3 VGC .
...