{"id":15132,"date":"2025-05-23T07:57:05","date_gmt":"2025-05-23T07:57:05","guid":{"rendered":"https:\/\/www.epicmicron.com\/?p=15132"},"modified":"2025-05-26T08:20:35","modified_gmt":"2025-05-26T08:20:35","slug":"gcc-vs-pcc-17-key-differences-you-need-to-know-part-1","status":"publish","type":"post","link":"https:\/\/www.epicmicron.com\/it\/gcc-vs-pcc-17-key-differences-you-need-to-know-part-1\/","title":{"rendered":"GCC vs PCC: 17 differenze chiave che devi conoscere (Parte 1)"},"content":{"rendered":"<p>Il carbonato di calcio \u00e8 un sale inorganico importante e ampiamente utilizzato. A seconda dei diversi metodi di lavorazione, ne esistono due tipi: GCC e PCC. \u00c8 il riempitivo in polvere pi\u00f9 utilizzato in settori come quello della plastica, della gomma e della carta. <strong>Carbonato di calcio macinato<\/strong>, noto anche come GCC, viene prodotto tramite lavorazione fisica. Le materie prime sono calcite naturale, calcare, dolomite, gesso, conchiglie, ecc. Il carbonato di calcio precipitato, noto come PCC, viene prodotto tramite lavorazione chimica. Non solo contribuisce a ridurre il costo delle materie prime dei prodotti in plastica, ma ne migliora anche alcune propriet\u00e0. La ricerca dimostra che diversi tipi di carbonato di calcio possono migliorare significativamente le prestazioni delle materie plastiche di base se utilizzati correttamente. Tuttavia, distinguere chiaramente tra PCC e GCC \u00e8 stata a lungo una sfida per molti utenti. Di seguito, presentiamo le differenze tra i due da 17 diverse angolazioni.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"969\" src=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/GCC-VS-PCC.webp\" alt=\"\" class=\"wp-image-15158\" srcset=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/GCC-VS-PCC.webp 1024w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/GCC-VS-PCC-300x284.webp 300w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/GCC-VS-PCC-768x727.webp 768w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/GCC-VS-PCC-13x12.webp 13w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/GCC-VS-PCC-600x568.webp 600w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\"><strong>01 Metodo di produzione<\/strong><\/h2>\n\n\n\n<p>Il GCC \u00e8 composto principalmente da minerali naturali come calcite, marmo, calcare, gesso e marmo bianco. \u00c8 un materiale in polvere ottenuto tramite macinazione meccanica.<br>Il PCC viene prodotto principalmente dal calcare ed \u00e8 un materiale in polvere ottenuto tramite calcinazione, digestione, carbonizzazione, disidratazione, essiccazione e classificazione.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"781\" height=\"549\" src=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/GCC.webp\" alt=\"\" class=\"wp-image-15139\" srcset=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/GCC.webp 781w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/GCC-300x211.webp 300w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/GCC-768x540.webp 768w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/GCC-18x12.webp 18w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/GCC-600x422.webp 600w\" sizes=\"(max-width: 781px) 100vw, 781px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\"><strong>02 Densit\u00e0 apparente<\/strong><\/h2>\n\n\n\n<p>La differenza nella densit\u00e0 apparente \u00e8 la distinzione pi\u00f9 evidente tra GCC e PCC.<\/p>\n\n\n\n<p>La densit\u00e0 apparente del GCC \u00e8 relativamente alta, generalmente 0,8\u20131,3 g\/cm\u00b3;<br>La densit\u00e0 apparente del PCC \u00e8 relativamente bassa, generalmente compresa tra 0,5 e 0,7 g\/cm\u00b3. Alcuni prodotti a base di carbonato di calcio nano possono avere una densit\u00e0 apparente pari a circa 0,28 g\/cm\u00b3.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\"><strong>03 Valore di assorbimento dell&#039;olio<\/strong><\/h2>\n\n\n\n<p>Grazie alle sue particelle di grandi dimensioni, alla superficie liscia e alla piccola area superficiale specifica, il GCC ha un valore di assorbimento dell&#039;olio inferiore, generalmente 40\u201360 mL\/100 g;<br>Il PCC, con particelle pi\u00f9 fini, una superficie ruvida e una maggiore area superficiale specifica, ha un valore di assorbimento dell&#039;olio pi\u00f9 elevato, generalmente 60-90 mL\/100 g.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img decoding=\"async\" width=\"500\" height=\"393\" src=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/Calcium-Hydroxide1-1.webp\" alt=\"\" class=\"wp-image-15143\" style=\"width:726px;height:auto\" srcset=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/Calcium-Hydroxide1-1.webp 500w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/Calcium-Hydroxide1-1-300x236.webp 300w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/Calcium-Hydroxide1-1-15x12.webp 15w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\">04 Bianchezza<\/h2>\n\n\n\n<p>A causa della quantit\u00e0 relativamente elevata di impurit\u00e0 nel GCC, la bianchezza del prodotto \u00e8 generalmente 89%\u201393%, con alcuni prodotti che raggiungono fino a 95%;<br>I prodotti PCC hanno una purezza pi\u00f9 elevata, quindi il loro grado di bianchezza \u00e8 generalmente 92%\u201395%, con alcuni prodotti che raggiungono 96%\u201397%.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"750\" height=\"750\" src=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/Calcium-Carbonate-Powder.webp\" alt=\"\" class=\"wp-image-15140\" style=\"width:769px;height:auto\" srcset=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/Calcium-Carbonate-Powder.webp 750w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/Calcium-Carbonate-Powder-300x300.webp 300w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/Calcium-Carbonate-Powder-100x100.webp 100w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/Calcium-Carbonate-Powder-12x12.webp 12w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/Calcium-Carbonate-Powder-600x600.webp 600w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\">05 Contenuto di umidit\u00e0<\/h2>\n\n\n\n<p>Il contenuto di umidit\u00e0 dei prodotti GCC \u00e8 generalmente compreso tra 0,2% e 0,3%, un valore relativamente basso e stabile. Alcuni prodotti di fascia alta possono raggiungere anche solo 0,1%;<br>I prodotti PCC ordinari hanno in genere un contenuto di umidit\u00e0 pari a 0,3%\u20130,8%, che pu\u00f2 variare ed \u00e8 meno stabile.<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\">06 Forma delle particelle<\/h2>\n\n\n\n<p class=\"has-text-align-left\">Le caratteristiche della polvere di GCC includono: forme irregolari delle particelle, particelle spigolose, superfici ruvide, significativa variazione dimensionale delle particelle, ampia distribuzione granulometrica e particelle di dimensioni maggiori. La frantumazione e la raffinazione non modificano la forma cristallina del GCC. Generalmente, il GCC a base di calcite \u00e8 esagonale, mentre il GCC a base di marmo \u00e8 cubico. Questa \u00e8 determinata principalmente dal materiale di origine. La polvere di PCC presenta forme delle particelle regolari e pu\u00f2 essere considerata polvere monodispersa, con una distribuzione granulometrica ristretta. In base alla forma delle particelle, il PCC pu\u00f2 essere classificato in forma fusiforme, cubica, aghiforme, a catena, sferica, a scaglie e rombica. <\/p>\n\n\n\n<p class=\"has-text-align-left\">Carbonato di calcio fusiforme: dimensione media dell&#039;asse longitudinale 5-12 \u03bcm, asse longitudinale 1-3 \u03bcm. Carbonato di calcio cubico: dimensione media delle particelle 0,02-0,1 \u03bcm. Carbonato di calcio aghiforme: dimensione media delle particelle 0,01-0,1 \u03bcm, con un rapporto d&#039;aspetto di 5-100. Carbonato di calcio a catena: dimensione media delle particelle 0,01-0,1 \u03bcm, rapporto d&#039;aspetto 10-50. Carbonato di calcio sferico: dimensione media delle particelle 0,03-0,05 \u03bcm. Carbonato di calcio a scaglie: dimensione media delle particelle 1-3 \u03bcm.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/Calcium-carbonate-2-1024x683.webp\" alt=\"\" class=\"wp-image-15142\" srcset=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/Calcium-carbonate-2-1024x683.webp 1024w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/Calcium-carbonate-2-300x200.webp 300w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/Calcium-carbonate-2-768x512.webp 768w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/Calcium-carbonate-2-1536x1024.webp 1536w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/Calcium-carbonate-2-18x12.webp 18w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/Calcium-carbonate-2-600x400.webp 600w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/Calcium-carbonate-2.webp 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\">07 Gusto<\/h2>\n\n\n\n<p>Il PCC ha un sapore simile al lime a causa della reazione incompleta dell&#039;ossido di calcio. Se utilizzato come riempitivo in alimenti come i biscotti, pu\u00f2 provocare un sapore di soffocamento o irritante.<br>Il GCC, al contrario, non ha questo sapore. <\/p>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\">08 Dimensione delle particelle<\/h2>\n\n\n\n<p>La gamma granulometrica dei prodotti GCC \u00e8 compresa tra 0,5 e 45 \u03bcm. In base alla dimensione media delle particelle (d), la classificazione \u00e8 la seguente:<br>\u2022 Carbonato di calcio macinato grossolanamente: d &gt; 3 \u03bcm &nbsp;<br>\u2022 Carbonato di calcio finemente macinato: d = 1\u20133 \u03bcm &nbsp;<br>\u2022 Carbonato di calcio ultrafine: d = 0,5\u20131 \u03bcm<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\"><strong>09 Volume di sedimentazione<\/strong><\/h2>\n\n\n\n<p>Il volume di sedimentazione si riferisce al volume di una massa unitaria di carbonato di calcio. Il metodo consiste nell&#039;agitarlo in 100 ml di acqua e lasciarlo riposare per 3 ore.<br>Un volume di sedimentazione maggiore indica una dimensione delle particelle pi\u00f9 piccola, una densit\u00e0 inferiore e una qualit\u00e0 del prodotto pi\u00f9 elevata.<\/p>\n\n\n\n<p>GCC: <strong>1,1\u20131,4 mL\/g<\/strong><\/p>\n\n\n\n<p>PCC: <strong>2,4\u20132,8 mL\/g<\/strong><\/p>\n\n\n\n<p>Nano PCC: <strong>3,0\u20134,0 mL\/g<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading has-medium-font-size\">Polvere epica<\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"397\" src=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/image-6.png\" alt=\"\" class=\"wp-image-15144\" style=\"width:772px;height:auto\" srcset=\"https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/image-6.png 600w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/image-6-300x199.png 300w, https:\/\/www.epicmicron.com\/wp-content\/uploads\/2025\/05\/image-6-18x12.png 18w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/figure>\n\n\n\n<p>Grazie per aver letto questo articolo sulle differenze tra GCC e PCC precipitato. In qualit\u00e0 di leader nel campo della tecnologia delle polveri, <a href=\"https:\/\/www.epicmicron.com\/it\/products\/\">Polvere epica<\/a> Machinery fornisce mulini a getto efficienti e innovativi, nonch\u00e9 le relative attrezzature, a clienti in tutto il mondo. <\/p>\n\n\n\n<p>Che tu voglia migliorare le prestazioni del prodotto o ottimizzare i costi di produzione, ti offriamo le soluzioni pi\u00f9 adatte alle tue esigenze. <\/p>\n\n\n\n<p>If you have any questions about the production and application of calcium carbonate powders, please feel free to contact us.<\/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<iframe title=\"Impianto di macinazione a sfere di carbonato di calcio con sistema di classificazione\u2014EPIC\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/UehLhIXV2A8?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>\n<\/div><\/figure>\n\n\n\n<p><strong>(Continua nella parte 2\u2026)<\/strong><\/p>\n\n\n\n<div class=\"wp-block-contact-form-7-contact-form-selector\">\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f14468-o1\" lang=\"zh-CN\" dir=\"ltr\" data-wpcf7-id=\"14468\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/it\/wp-json\/wp\/v2\/posts\/15132#wpcf7-f14468-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"\u7559\u8a00\u8868\u5355\" novalidate=\"novalidate\" data-status=\"init\" data-trp-original-action=\"\/it\/wp-json\/wp\/v2\/posts\/15132#wpcf7-f14468-o1\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"14468\" \/><input type=\"hidden\" name=\"_wpcf7_version\" 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ampiamente utilizzato. 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