{"id":2169,"date":"2026-09-08T14:46:58","date_gmt":"2026-09-08T19:46:58","guid":{"rendered":"https:\/\/www.cestoil.com\/?p=2169"},"modified":"2026-09-08T15:08:49","modified_gmt":"2026-09-08T20:08:49","slug":"comment-choisir-un-additif-ameliorant-le-pouvoir-lubrifiant-du-diesel","status":"publish","type":"post","link":"https:\/\/www.cestoil.com\/fr\/how-to-choose-a-diesel-lubricity-improver\/","title":{"rendered":"Comment choisir un additif am\u00e9liorant le pouvoir lubrifiant du diesel"},"content":{"rendered":"<div class=\"wpb-content-wrapper\" id=\"wpb-content-root\"><div class=\"vc_row wpb_row vc_row-fluid\"><div class=\"wpb_column vc_column_container vc_col-sm-12\"><div class=\"vc_column-inner\"><div class=\"wpb_wrapper\">\n\t<div class=\"wpb_raw_code wpb_raw_html wpb_content_element\" >\n\t\t<div class=\"wpb_wrapper\">\n\t\t\t<style>.cpr-page{font-family:Lato,Helvetica,Arial,sans-serif;color:#4a4a4a;font-size:17px;line-height:1.75;max-width:1180px;margin:0 auto;padding:34px 0 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.lub-facts{grid-template-columns:1fr}.lub-page .lub-section{padding:28px 0}.lub-page .lub-actions{align-items:stretch;flex-direction:column}.lub-page .lub-actions a.cpr-button{text-align:center}.lub-page summary{font-size:18px}.lub-page .lub-result strong{font-size:28px}.lub-page .lub-card{padding:20px}.lub-page .lub-note{padding:20px}}\n<\/style><article class=\"cpr-page lub-page\"><nav class=\"cpr-breadcrumb\" aria-label=\"Fil d&#039;Ariane\"><a href=\"\/fr\/actualites\/\">Actualit\u00e9s et analyses<\/a><span aria-hidden=\"true\">\/<\/span>Aper\u00e7u technique<\/nav><header class=\"lub-hero-text\"><p class=\"cpr-kicker\">\u00c9clairage technique \u00b7 Mobilit\u00e9<\/p><h1>Comment choisir un additif am\u00e9liorant le pouvoir lubrifiant du diesel<\/h1><p>Par Cestoil Chemical Inc. \u00b7 8 septembre 2026<\/p><\/header><div class=\"lub-reading\"><p class=\"lead\">Le choix d'un additif am\u00e9liorant le pouvoir lubrifiant du diesel repose sur la nature du carburant, le r\u00e9sultat d'essai requis ainsi que les conditions de stockage et d'utilisation de l'additif. La gamme Northshore COLI de Cestoil propose des options \u00e0 base d'acides gras, d'esters et de m\u00e9langes, permettant ainsi d'adapter le choix \u00e0 l'application sp\u00e9cifique.<\/p>\n<h2>Commencez par le carburant et l'objectif de performance.<\/h2>\n<p>Le gazole fortement raffin\u00e9 peut n\u00e9cessiter un pouvoir lubrifiant accru pour pr\u00e9server les composants du syst\u00e8me d'alimentation fonctionnant en r\u00e9gime de lubrification limite. Un additif am\u00e9liorant le pouvoir lubrifiant permet de r\u00e9pondre \u00e0 ce besoin gr\u00e2ce \u00e0 une chimie fond\u00e9e sur des agents tensioactifs. La question pratique consiste \u00e0 d\u00e9terminer quel produit, et \u00e0 quel dosage, permet d'obtenir un r\u00e9sultat satisfaisant pour le carburant trait\u00e9.<\/p>\n<p>Commencez par mesurer le carburant non trait\u00e9 et par d\u00e9finir la valeur cible requise par le client, le contrat ou la sp\u00e9cification applicable. L'essai HFRR (High-Frequency Reciprocating Rig) permet de mesurer l'empreinte d'usure afin de comparer des \u00e9chantillons trait\u00e9s et non trait\u00e9s dans des conditions d\u00e9finies. Une valeur d'empreinte d'usure plus faible indique une meilleure lubrifiance lors de cet essai. Ce r\u00e9sultat doit \u00eatre interpr\u00e9t\u00e9 en tenant compte de la m\u00e9thode d'essai et des conditions des \u00e9chantillons, plut\u00f4t que comme une pr\u00e9vision directe de la dur\u00e9e de vie de l'\u00e9quipement.<\/p>\n<h2>Adapter la chimie aux priorit\u00e9s op\u00e9rationnelles<\/h2>\n<p>La brochure 2026 de Cestoil sur les additifs am\u00e9liorant le pouvoir lubrifiant pr\u00e9sente cinq produits de la gamme Northshore . Les distinctions suivantes aident \u00e0 identifier les candidats \u00e0 une \u00e9valuation ; elles ne remplacent pas les essais sp\u00e9cifiques au carburant.<\/p>\n<ul>\n<li><strong><span translate=\"no\" class=\"notranslate\">COLI9500<\/span>:<\/strong> Une option \u00e0 base d'acides gras d\u00e9riv\u00e9s du soja pour les applications conventionnelles de diesel \u00e0 tr\u00e8s faible teneur en soufre. Elle constitue un point de d\u00e9part utile pour comparer les performances en mati\u00e8re de pouvoir lubrifiant et les exigences de manipulation au sein de la gamme.<\/li>\n<li><strong><span translate=\"no\" class=\"notranslate\">COLI9500E<\/span>:<\/strong> Une option \u00e9conomique \u00e0 base d'acides gras de soja pour les applications o\u00f9 le co\u00fbt est prioritaire et o\u00f9 les exigences de manipulation \u00e0 basse temp\u00e9rature sont moins contraignantes. Malgr\u00e9 son suffixe, <span translate=\"no\" class=\"notranslate\">COLI9500E<\/span> ne correspond pas \u00e0 la qualit\u00e9 ester. Comparez ses exigences de stockage et de dosage avec <span translate=\"no\" class=\"notranslate\">COLI9500<\/span> avant de le s\u00e9lectionner.<\/li>\n<li><strong><span translate=\"no\" class=\"notranslate\">COLI9500ES<\/span>:<\/strong> Il convient d'\u00e9valuer l'option \u00e0 base d'ester lorsque la compatibilit\u00e9 avec le syst\u00e8me d'additifs et le comportement lors de la manipulation constituent des crit\u00e8res de s\u00e9lection importants. V\u00e9rifiez ses performances dans la formulation finale envisag\u00e9e.<\/li>\n<li><strong><span translate=\"no\" class=\"notranslate\">COLI9500H<\/span>:<\/strong> Un m\u00e9lange acide-ester destin\u00e9 \u00e0 \u00eatre \u00e9valu\u00e9 lorsque le carburant non trait\u00e9 pr\u00e9sente des exigences \u00e9lev\u00e9es en mati\u00e8re de pouvoir lubrifiant et que l'optimisation du dosage constitue une priorit\u00e9. D\u00e9terminer le dosage requis au moyen d'une s\u00e9rie d'essais comparatifs.<\/li>\n<li><strong><span translate=\"no\" class=\"notranslate\">COLI9510<\/span>:<\/strong> Une option \u00e0 base d'acides gras de tall\u00f6l (TOFA) pour les clients qui privil\u00e9gient cette chimie \u00e9prouv\u00e9e ou qui doivent conserver une approche de formulation existante.<\/li>\n<\/ul>\n<p><a href=\"\/fr\/solutions\/additifs-pour-carburant\/additifs-anti-usure\/#selection\">Comparez la gamme d'additifs am\u00e9liorant le pouvoir lubrifiant Northshore<\/a> pour pr\u00e9s\u00e9lectionner des produits avant de demander des \u00e9chantillons. Communiquer la composition chimique actuelle, si elle est connue, aide \u00e9galement Cestoil \u00e0 rendre la comparaison pertinente par rapport \u00e0 un programme de traitement existant.<\/p>\n<h2>Utilisez les donn\u00e9es de test comme point de d\u00e9part pour l'\u00e9valuation.<\/h2>\n<p>Le <span translate=\"no\" class=\"notranslate\">COLI9500<\/span> Les r\u00e9sultats ci-dessous sont pr\u00e9sent\u00e9s selon les normes de Cestoil . <em>Am\u00e9liorant de pouvoir lubrifiant_2026<\/em> brochure. Elles illustrent les r\u00e9ponses obtenues avec trois \u00e9chantillons de diesel sp\u00e9cifiques. Les descriptions des \u00e9chantillons et les dosages sont conserv\u00e9s afin que les figures puissent \u00eatre interpr\u00e9t\u00e9es dans leur contexte.<\/p>\n<div class=\"table-scroll\" role=\"region\" aria-label=\"R\u00e9sultats de l&#039;essai de pouvoir lubrifiant du COLI9500\" tabindex=\"0\">\n<table>\n<caption>Signal\u00e9 <span translate=\"no\" class=\"notranslate\">COLI9500<\/span> R\u00e9sultats HFRR (ASTM D6079) \u2014 Brochure Cestoil 2026<\/caption>\n<thead><tr><th scope=\"col\">\u00c9chantillon de diesel<\/th><th scope=\"col\">Posologie (mg\/kg)<\/th><th scope=\"col\">Empreinte d'usure non trait\u00e9e (\u00b5m)<\/th><th scope=\"col\">Empreinte d'usure trait\u00e9e (\u00b5m)<\/th><\/tr><\/thead>\n<tbody>\n<tr><th scope=\"row\">Diesel canadien \u00e0 tr\u00e8s faible teneur en soufre (10 ppm de soufre)<\/th><td>200<\/td><td>600<\/td><td>380<\/td><\/tr>\n<tr><th scope=\"row\">Diesel su\u00e9dois de classe 1<\/th><td>250<\/td><td>650<\/td><td>368<\/td><\/tr>\n<tr><th scope=\"row\">Diesel allemand \u00e0 tr\u00e8s faible teneur en soufre (ULSD)<\/th><td>200<\/td><td>587<\/td><td>366<\/td><\/tr>\n<\/tbody><\/table>\n<\/div>\n<p>Il s'agit de r\u00e9sultats sp\u00e9cifiques \u00e0 des \u00e9chantillons, pr\u00e9sent\u00e9s dans la documentation technique Cestoil , et non d'une r\u00e9ponse garantie pour d'autres carburants. Ils ne doivent pas servir \u00e0 affirmer qu'un dosage donn\u00e9 permettra syst\u00e9matiquement de satisfaire \u00e0 une sp\u00e9cification. Demandez les donn\u00e9es d'essai justificatives pour d\u00e9terminer si ces exemples sont pertinents pour votre carburant.<\/p>\n<h2>\u00c9tablir une comparaison dose-r\u00e9ponse<\/h2>\n<p>Une \u00e9valuation pratique compare un \u00e9chantillon t\u00e9moin non trait\u00e9 \u00e0 plusieurs niveaux de traitement convenus, en utilisant un \u00e9chantillon de carburant repr\u00e9sentatif. Appliquez la m\u00eame proc\u00e9dure de pr\u00e9paration et la m\u00eame m\u00e9thode d'essai pour chaque produit test\u00e9. Incluez l'additif actuellement utilis\u00e9, lorsqu'il est disponible, afin que la comparaison r\u00e9ponde aussi bien \u00e0 une question d'ordre commercial qu'\u00e0 une question d'ordre technique.<\/p>\n<p>\u00c9valuez les r\u00e9sultats au regard de la cible requise et de la variabilit\u00e9 attendue de l'approvisionnement en combustible. Le traitement privil\u00e9gi\u00e9 doit offrir une marge op\u00e9rationnelle ad\u00e9quate, et ne pas se limiter au r\u00e9sultat le plus bas obtenu lors d'un essai unique. R\u00e9\u00e9valuez le dosage en cas de modification significative de la source ou du m\u00e9lange de combustible.<\/p>\n<p>Comparez le co\u00fbt du traitement en vous basant sur le dosage d\u00e9fini pour votre carburant et sur le prix du produit propos\u00e9. Un prix d'additif plus bas ne se traduit pas n\u00e9cessairement par un co\u00fbt inf\u00e9rieur \u00e0 la tonne de diesel trait\u00e9 ; de m\u00eame, une efficacit\u00e9 sup\u00e9rieure annonc\u00e9e ne garantit pas d'\u00e9conomies tant que le dosage requis n'a pas \u00e9t\u00e9 d\u00e9termin\u00e9. Cestoil peut vous aider \u00e0 structurer cette comparaison pour les produits pr\u00e9s\u00e9lectionn\u00e9s.<\/p>\n<h2>V\u00e9rifiez les exigences en mati\u00e8re de manipulation, de compatibilit\u00e9 et de distribution.<\/h2>\n<p>Le choix d'un produit adapt\u00e9 aux basses temp\u00e9ratures n\u00e9cessite de conna\u00eetre les conditions r\u00e9elles de stockage, de transfert et d'injection. Le point d'\u00e9coulement publi\u00e9 est une propri\u00e9t\u00e9 du mat\u00e9riau ; il ne constitue pas, \u00e0 lui seul, une temp\u00e9rature minimale garantie pour le pompage ou le stockage. Veuillez communiquer la temp\u00e9rature minimale pr\u00e9vue ainsi que le dispositif de dosage afin que les recommandations de manipulation du produit puissent \u00eatre examin\u00e9es avant tout essai.<\/p>\n<p>\u00c9valuez la compatibilit\u00e9 avec le complexe d'additifs complet, en tenant compte des concentrations et de l'ordre d'ajout pr\u00e9vus. Les r\u00e9sultats obtenus avec un m\u00e9lange donn\u00e9 ne garantissent pas la compatibilit\u00e9 avec tous les additifs am\u00e9liorant l'indice de c\u00e9tane, les d\u00e9tergents ou autres composants. Observez le m\u00e9lange dans les conditions de stockage appropri\u00e9es et v\u00e9rifiez que le carburant trait\u00e9 continue de satisfaire aux crit\u00e8res de qualit\u00e9 requis.<\/p>\n<p>Pour les applications de pipelines, la brochure 2026 de Cestoil identifie <span translate=\"no\" class=\"notranslate\">COLI9500<\/span>, <span translate=\"no\" class=\"notranslate\">COLI9500E<\/span>, et <span translate=\"no\" class=\"notranslate\">COLI9500ES<\/span> dans ses informations de qualification EI 1535. Demandez la documentation \u00e0 jour pour la nuance exacte et confirmez les exigences de l'exploitant du pipeline ainsi que les conditions applicables. N'\u00e9tendez pas cette qualification \u00e0 <span translate=\"no\" class=\"notranslate\">COLI9500H<\/span> ou <span translate=\"no\" class=\"notranslate\">COLI9510<\/span> par association.<\/p>\n<h2>Transformer une pr\u00e9s\u00e9lection en une recommandation de traitement<\/h2>\n<p>Pour une premi\u00e8re \u00e9valuation, veuillez communiquer Cestoil le type de carburant, le r\u00e9sultat HFRR (sans additif) le cas \u00e9ch\u00e9ant, les exigences cibles, la temp\u00e9rature minimale de manipulation, les autres additifs utilis\u00e9s ainsi que le volume de traitement pr\u00e9vu. Si certaines informations ne sont pas disponibles, pr\u00e9cisez les \u00e9l\u00e9ments connus et ceux n\u00e9cessitant une \u00e9valuation.<\/p>\n<p><a href=\"\/fr\/demander-un-echantillon\/?product=lubricity\">Demander un \u00e9chantillon<\/a> pour une comparaison sp\u00e9cifique au carburant, ou <a href=\"\/fr\/contact\/?product=lubricity&request=selection#cestoil-product-request\">discuter du choix du produit, du dosage et d'un devis avec Cestoil<\/a>L'objectif est de s\u00e9lectionner une nuance Northshore assortie de r\u00e9sultats d'essais probants, de conditions de manipulation pratiques et d'un co\u00fbt de traitement clairement d\u00e9fini pour votre application.<\/p>\n<p class=\"lub-reference\">Source : <a href=\"https:\/\/www.cestoil.com\/wp-content\/uploads\/Lubricity-Improver_2026.pdf\">Gamme d'additifs Cestoil Northshore pour am\u00e9liorer le pouvoir lubrifiant du diesel, 2026 (PDF)<\/a>, pages 2 et 5 \u00e0 9. Les conseils de s\u00e9lection des produits et les exemples cit\u00e9s sont tir\u00e9s de cette brochure ; veuillez demander la documentation actuelle sur les produits ainsi que les rapports d'essais correspondants pour votre \u00e9valuation.<\/p><\/div><\/article>\n\t\t<\/div>\n\t<\/div>\n<\/div><\/div><\/div><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Comparez les additifs am\u00e9liorant le pouvoir lubrifiant du diesel \u00e0 base d'acides gras, d'esters et de formulations hybrides en fonction des essais HFRR, des conditions de manipulation et du co\u00fbt de traitement. Un guide technique Cestoil .<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[25],"tags":[],"class_list":["post-2169","post","type-post","status-publish","format-standard","hentry","category-technical-insights","category-25","description-off"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO Pro 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"Compare fatty-acid, ester and hybrid diesel lubricity improvers using HFRR testing, handling conditions and treatment cost. 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