 {"id":8232,"date":"2026-09-03T17:27:00","date_gmt":"2026-09-03T09:27:00","guid":{"rendered":"https:\/\/nrcmachine.com\/?p=8232"},"modified":"2026-09-03T17:44:00","modified_gmt":"2026-09-03T09:44:00","slug":"raw-material-for-industrial-paper-core-introduction","status":"publish","type":"post","link":"https:\/\/nrcmachine.com\/fr\/raw-material-for-industrial-paper-core-introduction\/","title":{"rendered":"Mati\u00e8re premi\u00e8re papeti\u00e8re : pr\u00e9sentation des mandrins industriels"},"content":{"rendered":"<h1>Pr\u00e9sentation de la mati\u00e8re premi\u00e8re \u00ab papier kraft \u00bb pour la fabrication industrielle de mandrins en papier<\/h1>\n<h2><strong>1.<\/strong><strong>Papier en bobine : le choix optimal <a href=\"https:\/\/nrcmachine.com\/raw-material-for-industrial-paper-core-introduction\/\">Mati\u00e8re premi\u00e8re pour la fabrication industrielle de mandrins en papier<\/a><\/strong><\/h2>\n<p>Qingdao New Richuan Precision Machinery Co., Ltd, l'une des principales entreprises chinoises <a href=\"https:\/\/nrcmachine.com\/product\/paper-core-machine-supplier\/\">fournisseurs de machines pour tubes en papier<\/a>, conseille <a href=\"https:\/\/youtu.be\/R2LT5y4tKVk\">fabricants de tubes en papier<\/a> afin de s\u00e9lectionner des mati\u00e8res premi\u00e8res adapt\u00e9es permettant de r\u00e9duire les d\u00e9chets de production et d'am\u00e9liorer les performances des mandrins finis. De nombreuses usines utilisent \u00e0 tort du papier kraft ordinaire ou du carton de rev\u00eatement de conteneurs pour fabriquer les mandrins en papier, ce qui entra\u00eene l'affaissement des tubes, le d\u00e9collement des couches et des taux de rebut \u00e9lev\u00e9s sur les machines d'enroulement en spirale \u00e0 grande vitesse.<\/p>\n<figure id=\"attachment_8236\" aria-describedby=\"caption-attachment-8236\" style=\"width: 1000px\" class=\"wp-caption aligncenter\"><a href=\"https:\/\/nrcmachine.com\/wp-content\/uploads\/2026\/09\/raw-material-for-industrial-paper-core-production.webp\"><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-8236 size-full\" src=\"https:\/\/nrcmachine.com\/wp-content\/uploads\/2026\/09\/raw-material-for-industrial-paper-core-production.webp\" alt=\"mati\u00e8re premi\u00e8re destin\u00e9e \u00e0 la fabrication industrielle de mandrins en papier\" width=\"1000\" height=\"562\" srcset=\"https:\/\/nrcmachine.com\/wp-content\/uploads\/2026\/09\/raw-material-for-industrial-paper-core-production.webp 1000w, https:\/\/nrcmachine.com\/wp-content\/uploads\/2026\/09\/raw-material-for-industrial-paper-core-production-300x169.webp 300w, https:\/\/nrcmachine.com\/wp-content\/uploads\/2026\/09\/raw-material-for-industrial-paper-core-production-768x432.webp 768w, https:\/\/nrcmachine.com\/wp-content\/uploads\/2026\/09\/raw-material-for-industrial-paper-core-production-18x10.webp 18w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/a><figcaption id=\"caption-attachment-8236\" class=\"wp-caption-text\">mati\u00e8re premi\u00e8re destin\u00e9e \u00e0 la fabrication industrielle de mandrins en papier<\/figcaption><\/figure>\n<p>Le papier pour bobines est un carton ultra-r\u00e9sistant sp\u00e9cialement con\u00e7u pour les mandrins industriels en papier, les tubes de fils textiles, les mandrins de films et les corni\u00e8res de protection en papier. Il doit r\u00e9pondre \u00e0 des exigences strictes en mati\u00e8re de r\u00e9sistance \u00e0 l'\u00e9crasement annulaire et d'adh\u00e9rence entre les couches afin de r\u00e9sister \u00e0 la d\u00e9formation et au d\u00e9laminage lors d'un enroulement \u00e0 grande vitesse et d'un empilage sous forte charge. Le papier pour bobines est \u00e9galement appel\u00e9 \u00ab papier pour tubes \u00bb ou \u00ab papier pour mandrins \u00bb.<\/p>\n<h2><strong>2.<\/strong><strong>Caract\u00e9ristiques techniques cl\u00e9s du papier en bobine destin\u00e9 \u00e0 un usage industriel<\/strong><\/h2>\n<p>Le papier en bobine est sp\u00e9cialement con\u00e7u pour les proc\u00e9d\u00e9s d'enroulement en spirale multicouche ; il se distingue ainsi du papier d'emballage \u00e0 usage g\u00e9n\u00e9ral.<\/p>\n<h3><strong>2.1 <\/strong><strong>\u00a0Rigidit\u00e9 \u00e9lev\u00e9e et performances exceptionnelles en mati\u00e8re de r\u00e9sistance \u00e0 l'\u00e9crasement annulaire<\/strong><\/h3>\n<p>La structure dense du papier emp\u00eache toute d\u00e9formation et tout enfoncement apr\u00e8s le formage du tube. Il offre d'excellentes performances pour l'empilage de mandrins industriels lourds de grand diam\u00e8tre.<\/p>\n<h3><strong>2.2 <\/strong><strong>\u00a0R\u00e9sistance de liaison intercalaires fiable<\/strong><\/h3>\n<p>Le processus de battage optimis\u00e9 garantit la coh\u00e9sion des fibres. Il permet d'\u00e9viter la d\u00e9lamination et le d\u00e9collement lors de l'enroulement en spirale multicouche, s'adaptant ainsi parfaitement aux \u00e9quipements d'enroulement \u00e0 grande vitesse sur mandrin en papier.<\/p>\n<h3><strong>2.3 <\/strong><strong>\u00a0R\u00e9sistant \u00e0 l'usure, r\u00e9sistant \u00e0 l'humidit\u00e9 et usinable<\/strong><\/h3>\n<p>La surface lisse calandr\u00e9e r\u00e9duit au minimum l'accumulation de r\u00e9sidus lors du filage \u00e0 grande vitesse des fibres textiles. Le traitement d'encollage am\u00e9liore la r\u00e9sistance \u00e0 l'humidit\u00e9 et emp\u00eache le ramollissement dans les ateliers humides. Les mandrins en papier finis permettent de proc\u00e9der directement \u00e0 leur d\u00e9coupe au tour et \u00e0 leur pon\u00e7age.<\/p>\n<h3><strong>2.4 <\/strong><strong>\u00a0Teinture sur mesure disponible<\/strong><\/h3>\n<p>Le papier des bobines peut \u00eatre teint en rouge, jaune, bleu, orange et dans d'autres couleurs. Les filatures distinguent les diff\u00e9rentes sp\u00e9cifications de fils \u00e0 l'aide de bobines de couleur, ce qui permet d'am\u00e9liorer l'efficacit\u00e9 du tri.<\/p>\n<h2><strong>3.<\/strong><strong>\u00a0Gammes de grammages, qualit\u00e9s et applications correspondantes du papier en bobines<\/strong><\/h2>\n<p>Le choix du papier en bobine d\u00e9pend du grammage (g\/m\u00b2) et du niveau de qualit\u00e9. Vous trouverez ci-dessous un tableau de r\u00e9f\u00e9rence pratique :<\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"400\">Port\u00e9e GSM<\/td>\n<td width=\"744\">Applications principales<\/td>\n<\/tr>\n<tr>\n<td width=\"400\">65 \u00e0 150 g\/m\u00b2<\/td>\n<td width=\"744\">Petit tube de broderie, tube en forme de c\u00f4ne pour fil fin, bobinage \u00e0 faible vitesse et pour charges l\u00e9g\u00e8res<\/td>\n<\/tr>\n<tr>\n<td width=\"400\">200 \u00e0 300 g\/m\u00b2<\/td>\n<td width=\"744\">Tube de fil de fibres chimiques POY \/ DTY, petite \u00e2me en film, \u00e2me interne en ruban adh\u00e9sif<\/td>\n<\/tr>\n<tr>\n<td width=\"400\">360 \u00e0 430 g\/m\u00b2<\/td>\n<td width=\"744\">Tube pour m\u00e8ches textiles, mandrin pour film de paillage, mandrin en papier \u00e0 usage industriel g\u00e9n\u00e9ral (sp\u00e9cifications du march\u00e9 grand public)<\/td>\n<\/tr>\n<tr>\n<td width=\"400\">480 \u00e0 510 g\/m\u00b2<\/td>\n<td width=\"744\">Noyaux pour charges lourdes destin\u00e9s aux rouleaux de papier d'aluminium et d'acier inoxydable, aux grandes bobines m\u00e8res pour machines \u00e0 papier, ainsi qu'aux prot\u00e8ge-coins en papier \u00e0 usage intensif<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><strong>4.<\/strong><strong>\u00a0Les trois principales cat\u00e9gories de qualit\u00e9 du papier en bobine<\/strong><\/h2>\n<ul>\n<li><strong>Cat\u00e9gorie C<\/strong>: Offre des performances de base \u00e0 un co\u00fbt comp\u00e9titif. Convient aux applications \u00e0 faible vitesse et \u00e0 faible charge, telles que les tubes de feux d'artifice et les mandrins simples pour pellicules.<\/li>\n<li><strong>Cat\u00e9gorie B<\/strong>: Gamme standard de qualit\u00e9 industrielle pr\u00e9sentant des indices \u00e9quilibr\u00e9s et stables. Le meilleur rapport qualit\u00e9-prix pour la plupart des transformateurs de textiles et de films plastiques.<\/li>\n<li><strong>Cat\u00e9gorie A<\/strong>: Nuance haut de gamme \u00e0 haute r\u00e9sistance, offrant une densit\u00e9, une r\u00e9sistance \u00e0 l'humidit\u00e9 et une r\u00e9sistance au d\u00e9collement entre couches exceptionnelles. Con\u00e7ue pour le filage \u00e0 grande vitesse de fibres chimiques et les mandrins m\u00e9talliques de forte \u00e9paisseur.<\/li>\n<\/ul>\n<h2><strong>5.<\/strong><strong>\u00a0Guide des pi\u00e8ges \u00e0 \u00e9viter dans l'approvisionnement et le contr\u00f4le qualit\u00e9 du papier en bobines<\/strong><\/h2>\n<p>Un approvisionnement inad\u00e9quat en mati\u00e8res premi\u00e8res entra\u00eene des arr\u00eats impr\u00e9vus et des taux de rebut \u00e9lev\u00e9s sur votre ligne de production de mandrins en papier. Suivez ces conseils pratiques.<\/p>\n<h3><strong>5.1 <\/strong><strong>\u00a0M\u00e9fiez-vous des faux \u00e9tiquetages GSM<\/strong><\/h3>\n<p>Pes\u00e9e physique par \u00e9chantillonnage al\u00e9atoire \u00e0 la livraison. La tol\u00e9rance de poids admissible doit rester comprise entre \u00b15%. Un carton pr\u00e9sentant un poids inf\u00e9rieur \u00e0 la norme r\u00e9duit directement la capacit\u00e9 de charge de l'\u00e2me en papier.<\/p>\n<h3><strong>5.2 <\/strong><strong>\u00a0V\u00e9rification obligatoire de l'index technique<\/strong><\/h3>\n<p>Demandez les rapports d'essai \u00e0 votre fournisseur de papier avant de passer commande. Pr\u00eatez particuli\u00e8rement attention \u00e0 la r\u00e9sistance \u00e0 l'\u00e9crasement circulaire dans le sens transversal et dans le sens machine, ainsi qu'\u00e0 la r\u00e9sistance au pelage entre les couches. Test simple \u00e0 r\u00e9aliser sur place : pliez le papier avec fermet\u00e9 ; un papier en bobine de bonne qualit\u00e9 se plie sans \u00e0-coups, sans que les couches ne se s\u00e9parent.<\/p>\n<h3><strong>5.3 <\/strong><strong>\u00a0Contr\u00f4ler rigoureusement la teneur en humidit\u00e9<\/strong><\/h3>\n<p>Teneur en humidit\u00e9 standard : <strong>6%\u20118%<\/strong>. Une humidit\u00e9 trop \u00e9lev\u00e9e rend les mandrins en papier mous et d\u00e9form\u00e9s. Une humidit\u00e9 trop faible rend le papier cassant, ce qui provoque des \u00e9clats et des fissures lors des op\u00e9rations de d\u00e9coupe.<\/p>\n<h3><strong>5.4 <\/strong><strong>\u00a0Adapter le niveau de qualit\u00e9 aux conditions de travail r\u00e9elles<\/strong><\/h3>\n<p>\u00c9vitez de choisir aveugl\u00e9ment une qualit\u00e9 inf\u00e9rieure dans le seul but de r\u00e9duire les co\u00fbts. Optez pour la cat\u00e9gorie C pour les applications \u00e0 faible vitesse et \u00e0 faible charge ; la cat\u00e9gorie B pour la production en s\u00e9rie standard ; la cat\u00e9gorie A est incontournable pour le filage \u00e0 grande vitesse ou les noyaux de bobines destin\u00e9s \u00e0 un usage intensif.<\/p>\n<h2><strong>6.<\/strong><strong>\u00a0Aper\u00e7u du march\u00e9 du papier en bobines (d\u00e9but septembre 2026)<\/strong><\/h2>\n<p>Le march\u00e9 actuel du papier en bobines se caract\u00e9rise par un \u00e9quilibre fragile entre l'offre et la demande, influenc\u00e9 par les co\u00fbts des mati\u00e8res premi\u00e8res, avec des fluctuations de prix dans une fourchette \u00e9troite.<\/p>\n<ul>\n<li>Prix moyen du march\u00e9 au niveau national : environ 500 dollars am\u00e9ricains<strong>\/ MT<\/strong><\/li>\n<li>Prix d'une transaction majeure en Chine orientale : USD<strong>500<\/strong><strong>\u2011<\/strong><strong>600<\/strong><strong>\/ MT<\/strong><\/li>\n<li>Dynamique du march\u00e9 : faible volume d'\u00e9changes en ao\u00fbt ; les usines de papier en bobine en aval s'approvisionnent uniquement \u00e0 la demande, sans constituer de stocks importants. D\u00e9but septembre, on observe une l\u00e9g\u00e8re baisse des prix (20 \u00e0 30 USD\/MT) pour le papier en bobine de cat\u00e9gorie C dans la province du Hebei ; les prix en Chine orientale reculent l\u00e9g\u00e8rement, mais le march\u00e9 reste globalement stable, sans tendance marqu\u00e9e.<\/li>\n<li>Logique du march\u00e9 : le co\u00fbt des mati\u00e8res premi\u00e8res pour les panneaux de particules recule l\u00e9g\u00e8rement, tandis que le secteur textile en aval entre progressivement dans sa haute saison ; pourtant, la demande reste mod\u00e9r\u00e9e, ce qui alimente un jeu incessant entre l'offre et la demande.<\/li>\n<\/ul>\n<h2><strong>7.<\/strong><strong>\u00a0Papier en bobine, papier kraft et carton de rev\u00eatement : diff\u00e9rences essentielles<\/strong><\/h2>\n<p>De nombreux acheteurs tentent de remplacer le papier en bobine par du papier kraft ordinaire ou du carton de doublure pour conteneurs afin de r\u00e9duire les co\u00fbts, ce qui entra\u00eene des pertes de production excessives.<\/p>\n<ul>\n<li><strong>VS Papier kraft<\/strong>: Le papier kraft se distingue par sa r\u00e9sistance \u00e0 la traction et \u00e0 la d\u00e9chirure, mais sa rigidit\u00e9 \u00e0 l'\u00e9crasement est bien inf\u00e9rieure \u00e0 celle du papier pour bobines. Les mandrins \u00e0 paroi \u00e9paisse fabriqu\u00e9s \u00e0 partir de papier kraft ont tendance \u00e0 s'affaisser facilement.<\/li>\n<li><strong>Carton ondul\u00e9 VS pour conteneurs<\/strong>: Le carton de rev\u00eatement standard pr\u00e9sente une faible adh\u00e9rence entre les couches. Il se d\u00e9lamine facilement lors de l'enroulement multicouche et ne peut pas \u00eatre utilis\u00e9 sur les machines \u00e0 mandrins en papier \u00e0 grande vitesse.<\/li>\n<li><strong>Avantages du papier en bobine<\/strong>: Sp\u00e9cialement con\u00e7ue pour la technologie d'enroulement multicouche en spirale. Cette feuille compacte et homog\u00e8ne garantit la circularit\u00e9 et un \u00e9quilibre dynamique stable des mandrins en papier finis.<\/li>\n<\/ul>\n<h2><strong>8.<\/strong><strong>\u00a0Foire aux questions (FAQ)<\/strong><\/h2>\n<h3><strong>Q1 :<\/strong><strong>\u00a0Puis-je utiliser du papier kraft \u00e0 la place du papier de bobine pour les mandrins industriels ?<\/strong><\/h3>\n<p>A1 : Non recommand\u00e9 pour une production intensive ou \u00e0 grande vitesse. Le papier kraft ne pr\u00e9sente pas une rigidit\u00e9 \u00e0 l'\u00e9crasement annulaire suffisante ; les mandrins en papier risquent donc de s'affaisser sous l'effet de l'empilement ou d'une charge d'enroulement importante.<\/p>\n<h3><strong>Q2 :<\/strong><strong>\u00a0Quel papier en bobine GSM dois-je choisir pour les mandrins de ruban adh\u00e9sif ?<\/strong><\/h3>\n<p>A2 : Le papier en bobine de cat\u00e9gorie B, d'un grammage de 200 \u00e0 300 g\/m\u00b2, est le choix le plus courant pour les mandrins de ruban adh\u00e9sif.<\/p>\n<h3><strong>Q3 :<\/strong><strong>\u00a0Pourquoi mes mandrins en papier se fissurent-ils lorsque je les coupe ?<\/strong><\/h3>\n<p>A3 : Ce probl\u00e8me est principalement d\u00fb \u00e0 une teneur en humidit\u00e9 trop faible du papier en bobine (inf\u00e9rieure \u00e0 6%). Veillez \u00e0 maintenir la teneur en humidit\u00e9 de la mati\u00e8re premi\u00e8re entre 6 et 8%.<\/p>\n<h3><strong>Q4 :<\/strong><strong>\u00a0Le papier en bobine de cat\u00e9gorie A est-il toujours n\u00e9cessaire pour toute la production de produits \u00e0 \u00e2me en papier ?<\/strong><\/h3>\n<p>A4 : Choisissez la qualit\u00e9 en fonction de la charge et de la vitesse. La qualit\u00e9 B r\u00e9pond \u00e0 la plupart des exigences des applications industrielles g\u00e9n\u00e9rales utilisant des mandrins en papier, tout en offrant un meilleur rapport qualit\u00e9-prix.<\/p>\n<h3><strong>Q5<\/strong><strong>: Comment tester rapidement la r\u00e9sistance de l'adh\u00e9rence entre les couches sur chantier ?<\/strong><\/h3>\n<p>A5 : Pliez l'\u00e9chantillon de papier avec force. Si les couches se s\u00e9parent, cela signifie que l'adh\u00e9rence entre les couches est insuffisante et que le papier n'est pas adapt\u00e9 aux machines d'enroulement \u00e0 grande vitesse.<\/p>\n<h2><strong>9.<\/strong><strong>\u00a0Conclusions<\/strong><\/h2>\n<p>La qualit\u00e9 des mati\u00e8res premi\u00e8res d\u00e9termine directement le taux de rendement des mandrins en papier et la stabilit\u00e9 de fonctionnement de votre machine \u00e0 mandrins. En tant que fabricant professionnel d\u2019\u00e9quipements pour tubes en papier, Qingdao Xinrich Precision Machinery Co., Ltd vous recommande d\u2019adapter le grammage et la qualit\u00e9 du papier en bobine aux sp\u00e9cifications de tubes finis que vous visez, plut\u00f4t que de rechercher aveugl\u00e9ment le prix le plus bas pour vos mati\u00e8res premi\u00e8res.<\/p>\n<p>Si vous en avez besoin, nous pouvons vous fournir une liste de contr\u00f4le pr\u00eate \u00e0 l'emploi pour l'inspection \u00e0 la r\u00e9ception des bobines de papier, destin\u00e9e \u00e0 votre \u00e9quipe des achats. N'h\u00e9sitez pas \u00e0 nous contacter pour obtenir davantage d'assistance concernant les machines \u00e0 mandrin et les mati\u00e8res premi\u00e8res.<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Kraft Paper Raw Material for Industrial Paper Core Introduction 1.Spool Paper: The Optimal Raw Material for Industrial Paper Core Production Qingdao New Richuan Precision Machinery Co., Ltd, one of China\u2019s top\u2011tier paper core machine suppliers, advises paper tube manufacturers to select suitable raw materials to reduce production waste and improve finished\u2011core performance. Many factories mistakenly [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":8236,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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