{"id":4047,"date":"2025-06-05T15:38:36","date_gmt":"2025-06-05T07:38:36","guid":{"rendered":"https:\/\/www.superfinemill.com\/?p=4047"},"modified":"2025-06-05T15:38:39","modified_gmt":"2025-06-05T07:38:39","slug":"heavy-calcium-carbonate-for-plastics","status":"publish","type":"post","link":"https:\/\/www.superfinemill.com\/id\/heavy-calcium-carbonate-for-plastics\/","title":{"rendered":"Kalsium karbonat berat untuk plastik"},"content":{"rendered":"<p><a href=\"https:\/\/www.superfinemill.com\/id\/dry-grinding\/ball-mill-and-air-classifier-production-system\/\">Kalsium karbonat berat<\/a>, dengan kinerjanya yang luar biasa, merupakan bahan pengisi pilihan dalam industri plastik. <a href=\"https:\/\/www.superfinemill.com\/id\/astra-portfolio\/a-ball-milling-and-modification-production-line-in-a-calcium-carbonate-factory-in-iran\/\">Kalsium karbonat berat<\/a> untuk plastik mengalami pemrosesan khusus untuk memastikan ukuran partikel yang seragam dan dispersi yang baik. Kalsium karbonat berat banyak digunakan dalam film plastik, profil, pipa, kain tenun, dan produksi kulit buatan. Kalsium karbonat berat secara efektif mengurangi biaya produksi dan menggantikan pigmen putih yang mahal seperti titanium dioksida, sehingga meningkatkan warna putih. Pada saat yang sama, kalsium karbonat berat untuk plastik meningkatkan sifat fisik, meningkatkan kilap dan kehalusan permukaan. Kalsium karbonat berat juga meningkatkan kekerasan dan kekakuan, sehingga meningkatkan kualitas keseluruhan produk plastik untuk memenuhi permintaan pasar. Jadi, apa saja persyaratan khusus untuk kalsium karbonat berat dalam industri plastik? Mengapa persyaratan ini diperlukan?<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"750\" height=\"972\" src=\"https:\/\/www.superfinemill.com\/wp-content\/uploads\/2025\/06\/calcuim-carbonate.webp\" alt=\"calcuim carbonate\" class=\"wp-image-4048\" srcset=\"https:\/\/www.superfinemill.com\/wp-content\/uploads\/2025\/06\/calcuim-carbonate.webp 750w, https:\/\/www.superfinemill.com\/wp-content\/uploads\/2025\/06\/calcuim-carbonate-231x300.webp 231w, https:\/\/www.superfinemill.com\/wp-content\/uploads\/2025\/06\/calcuim-carbonate-9x12.webp 9w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">putihnya<\/h2>\n\n\n\n<p>Keputihan kalsium karbonat berat terutama memengaruhi warna dan tampilan produk plastik yang diisi, tetapi tidak memengaruhi sifat mekanis dan pemrosesannya. Semakin tinggi keputihannya, semakin sedikit pengaruhnya terhadap pewarnaan plastik yang diisi. Dalam kondisi kinerja yang sama, keputihan yang lebih tinggi memiliki keunggulan kompetitif yang lebih besar.<\/p>\n\n\n\n<p>Untuk kalsium karbonat berat untuk plastik, semakin tinggi tingkat keputihannya, semakin baik. Untuk penggunaan plastik umum, persyaratan tingkat keputihannya di atas 92%, sedangkan untuk masterbatch pengisi plastik kelas atas, persyaratan tingkat keputihannya adalah 95% atau lebih tinggi.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">kandungan pengotor<\/h2>\n\n\n\n<p>Kandungan pengotor tidak hanya memengaruhi warna dan tampilan produk plastik yang diisi tetapi juga memengaruhi sifat mekanis dan pemrosesan material.<\/p>\n\n\n\n<p>Untuk kalsium karbonat berat untuk plastik, semakin rendah kandungan pengotornya, semakin baik, dan semakin tinggi kandungan kalsium karbonatnya, semakin baik. Pengotor utama yang memengaruhi plastik adalah Fe2O3, MgO, dan SiO2.<\/p>\n\n\n\n<p>Kandungan Fe2O3 yang tinggi dapat memengaruhi warna bubuk kalsium karbonat berat, menyebabkan kekuningan, terutama bila dikombinasikan dengan zat asam seperti asam stearat selama perawatan permukaan. Pada suhu tinggi, kekuningan ini lebih mungkin terjadi, dan ion besi dapat mempercepat penuaan plastik.<\/p>\n\n\n\n<p>Kandungan MgO yang tinggi dalam bubuk kalsium karbonat berat dapat menyebabkan warna keabu-abuan. Misalnya, jika kalsium karbonat berat dolomit ditambahkan ke plastik polietilena dan polipropilena, seluruh pengisi mungkin tampak abu-abu karena dolomit sebagian besar terdiri dari kalsium karbonat dan magnesium karbonat.<\/p>\n\n\n\n<p>Kehadiran SiO2 dapat menyebabkan ikatan silang ringan atau degradasi termal pada PVC, sehingga mengurangi stabilitas termalnya. Selain itu, kandungan silika yang tinggi dalam bubuk kalsium karbonat berat meningkatkan kekerasan partikel, sehingga menyebabkan keausan yang signifikan pada mesin pengolah plastik. Misalnya, masterbatch pengisi yang dibuat dengan kalsium karbonat berat yang kaya silika dapat menyebabkan keausan berlebihan pada bilah pemotong saat digunakan dalam produksi pita polipropilena.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ukuran dan distribusi partikel<\/h2>\n\n\n\n<p>Ukuran dan distribusi partikel merupakan indikator utama kualitas kalsium karbonat berat. Indikator ini terutama memengaruhi sifat mekanis. Secara teori, semakin halus ukuran partikel, semakin kuat produk plastik yang diisi. Namun, hal ini tidak selalu benar dalam praktik. Saat ukuran partikel berkurang, luas permukaan spesifik meningkat, dan energi permukaan menjadi lebih tinggi. Partikel primer mudah menggumpal, membentuk gugusan yang ditambahkan ke resin. Hal ini menyebabkan dispersi yang buruk dan antarmuka yang tidak stabil, yang menyebabkan kinerja produk berkurang.<\/p>\n\n\n\n<p>Oleh karena itu, kalsium karbonat berat untuk plastik memerlukan kehalusan yang sesuai, bukan yang sehalus mungkin. Ukuran partikel yang umum digunakan untuk bubuk kalsium karbonat berat umumnya berada dalam kisaran 400-1250 mesh. Sekitar 65% di pasaran menggunakan bubuk dalam kisaran 400-800 mesh, sekitar 30% menggunakan bubuk dalam kisaran 800-1250 mesh, dan bubuk yang lebih halus dari 1250 mesh mencakup sekitar 5-10%.<\/p>\n\n\n\n<p>Untuk plastik yang diisi, dalam kondisi pemuatan pengisi yang sama, semakin halus ukuran partikel pengisi, semakin baik sifat mekanis plastik yang diisi. Namun, ini hanya berlaku jika partikel kalsium karbonat berat tersebar merata dalam matriks plastik. Indikator ukuran partikel dan distribusinya tidak hanya memerlukan nilai D97 dan D100, tetapi juga kandungan 2\u03bcm, ukuran partikel rata-rata (D50), dan luas permukaan spesifik. Indikator ini secara tidak langsung mencerminkan kualitas dispersi bubuk kalsium karbonat berat dan nilai penyerapan minyaknya.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Morfologi partikel dan bentuk kristal<\/h2>\n\n\n\n<p>Morfologi partikel kalsium karbonat berat memiliki dampak signifikan pada pengisian dan modifikasi plastik. Misalnya, struktur berserat atau seperti pelat menguntungkan kekuatan mekanis komposit PVC, tetapi merugikan kinerja pencetakan dan pemrosesan. Sebaliknya, pengisi bulat meningkatkan kinerja pencetakan dan pemrosesan tetapi mengurangi kekuatan mekanis material.<\/p>\n\n\n\n<p>Pengaruh struktur kristal mulai menarik perhatian di industri. Umumnya, struktur anhedral, semi-anhedral, equigranular, atau blok berbutir halus dari kalsium karbonat berat berbasis batu kapur alam lebih disukai dalam industri plastik.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Nilai penyerapan minyak<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"750\" height=\"749\" src=\"https:\/\/www.superfinemill.com\/wp-content\/uploads\/2025\/05\/Coating-machine-1.webp\" alt=\"Coating machine\" class=\"wp-image-4044\" srcset=\"https:\/\/www.superfinemill.com\/wp-content\/uploads\/2025\/05\/Coating-machine-1.webp 750w, https:\/\/www.superfinemill.com\/wp-content\/uploads\/2025\/05\/Coating-machine-1-300x300.webp 300w, https:\/\/www.superfinemill.com\/wp-content\/uploads\/2025\/05\/Coating-machine-1-150x150.webp 150w, https:\/\/www.superfinemill.com\/wp-content\/uploads\/2025\/05\/Coating-machine-1-12x12.webp 12w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><figcaption class=\"wp-element-caption\">Mesin pelapis<\/figcaption><\/figure>\n\n\n\n<p>Untuk kalsium karbonat berat yang digunakan dalam plastik, nilai penyerapan minyak umumnya harus serendah mungkin. Nilai penyerapan minyak yang tinggi akan menyerap plasticizer ke dalam pengisi, menyebabkannya kehilangan efek plasticizing-nya. Untuk mencapai fleksibilitas yang diinginkan, plasticizer tambahan akan diperlukan, yang akan meningkatkan biaya produksi.<\/p>\n\n\n\n<p><a href=\"https:\/\/www.superfinemill.com\/id\/powder-coating-surface-modification\/\">Modifikasi permukaan<\/a> merupakan metode penting untuk mengurangi nilai penyerapan minyak pada serbuk. Setelah modifikasi permukaan, partikel kalsium karbonat yang menggumpal berkurang, dispersi membaik, dan rongga antar partikel berkurang. Selain itu, molekul modifikasi yang menutupi permukaan kalsium karbonat semakin mengurangi rongga internal partikel. Pelapisan ini juga mengubah sifat permukaan kalsium karbonat, mengurangi polaritas permukaannya, menurunkan gesekan antar partikel, dan meningkatkan pelumasan. Hasilnya, partikel-partikel tersebut memadat lebih rapat, meningkatkan densitas massal dan mengurangi nilai penyerapan minyak.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Air dan zat dengan berat molekul rendah<\/h2>\n\n\n\n<p>Kelembapan dan zat bermolekul rendah merupakan masalah utama untuk semua produk plastik. Kelembapan dan zat bermolekul rendah menyebabkan cacat permukaan dan kerutan pada produk. Dalam kasus yang parah, zat ini menciptakan struktur sarang lebah di dalam produk atau menyebabkan material saling menempel selama pengangkutan. Hal ini tidak hanya memengaruhi sifat mekanis tetapi juga memengaruhi tampilan produk.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">kesimpulan<\/h2>\n\n\n\n<p>Tingkat keputihan, kandungan pengotor, dan struktur kristal produk kalsium karbonat berat terutama dipengaruhi oleh kadar bijih. Bentuk, ukuran, dan distribusi partikel terkait erat dengan bahan baku, peralatan pemrosesan, teknologi, dan tingkat pengendalian.<\/p>\n\n\n\n<p>Oleh karena itu, perusahaan produksi kalsium berat harus terlebih dahulu memilih bijih berdasarkan persyaratan industri plastik. Kemudian, mereka harus memastikan bahwa peralatan dan teknologi pemrosesan memenuhi persyaratan untuk pemrosesan halus. Pendekatan ini memungkinkan produk kalsium berat untuk mewujudkan keunggulan nilai dan harga di industri plastik masing-masing, sehingga meningkatkan nilai tambah produk.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"ast-oembed-container\" style=\"height: 100%;\"><iframe title=\"Sistem Ball Mill dan Klasifikasi-EPIC\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/lKRR12kn6iQ?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<\/div><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><a href=\"https:\/\/www.superfinemill.com\/id\/contact\/\">bubuk epik<\/a><\/h2>\n\n\n\n<p>Epic Powder, 20+ tahun pengalaman kerja di industri bubuk ultrafine. Secara aktif mempromosikan pengembangan bubuk ultra-fine di masa depan, dengan fokus pada proses penghancuran, penggilingan, pengklasifikasian, dan modifikasi bubuk ultra-fine. Hubungi kami untuk konsultasi gratis dan solusi yang disesuaikan! Tim ahli kami berdedikasi untuk menyediakan produk dan layanan berkualitas tinggi guna memaksimalkan nilai pemrosesan bubuk Anda. Epic Powder\u2014Ahli Pemrosesan Bubuk Tepercaya Anda!<\/p>\n\n\n\n<div class=\"wp-block-contact-form-7-contact-form-selector\">\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f8-o1\" lang=\"zh-CN\" dir=\"ltr\" data-wpcf7-id=\"8\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/id\/wp-json\/wp\/v2\/posts\/4047#wpcf7-f8-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"\u7559\u8a00\u8868\u5355\" novalidate=\"novalidate\" data-status=\"init\" data-trp-original-action=\"\/id\/wp-json\/wp\/v2\/posts\/4047#wpcf7-f8-o1\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"8\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"zh_CN\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f8-o1\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/><input 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berat, dengan kinerjanya yang sangat baik, merupakan bahan pengisi yang disukai dalam industri plastik. Kalsium karbonat berat untuk plastik mengalami pemrosesan khusus untuk memastikan [\u2026]<\/p>","protected":false},"author":1,"featured_media":4049,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"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":"","adv-header-id-meta":"","stick-header-meta":"","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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4047","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Heavy calcium carbonate for plastics - EPIC Powder Machinery<\/title>\n<meta name=\"description\" content=\"heavy calcium carbonate for plastics improves physical properties, enhancing surface gloss and smoothness. 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