{"id":10203,"date":"2026-06-10T11:56:03","date_gmt":"2026-06-10T09:56:03","guid":{"rendered":"https:\/\/www.sharebot.it\/?p=10203"},"modified":"2026-06-10T11:56:03","modified_gmt":"2026-06-10T09:56:03","slug":"snowwhite2-printing-a-pva-polyvinyl-alcohol-powder","status":"publish","type":"post","link":"https:\/\/www.sharebot.it\/en\/snowwhite2-printing-a-pva-polyvinyl-alcohol-powder\/","title":{"rendered":"Snowwhite2: Printing a PVA (Polyvinyl Alcohol) Powder"},"content":{"rendered":"<div id='av_section_1'  class='avia-section av-av_section-c4e5505624407dd7bb1447c42aa6b380 main_color avia-section-default avia-no-border-styling  avia-builder-el-0  avia-builder-el-no-sibling  avia-bg-style-scroll container_wrap sidebar_right'  ><div class='container av-section-cont-open' ><main  role=\"main\" itemprop=\"mainContentOfPage\"  class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-10203'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mq7vqh9d-b263841cc6a181f614a6304d7c267adc\">\n#top .av-special-heading.av-mq7vqh9d-b263841cc6a181f614a6304d7c267adc{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-mq7vqh9d-b263841cc6a181f614a6304d7c267adc .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-mq7vqh9d-b263841cc6a181f614a6304d7c267adc .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-mq7vqh9d-b263841cc6a181f614a6304d7c267adc av-special-heading-h1  avia-builder-el-1  el_before_av_two_third  avia-builder-el-first '><h1 class='av-special-heading-tag '  itemprop=\"headline\"  >Exploring PVA in SLS: Technical Insights from Sharebot\u2019s R&amp;D<\/h1><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div>\n<div  class='flex_column av-av_two_third-937dcf081e8fa05e70dc94033b37c90d av_two_third  avia-builder-el-2  el_after_av_heading  el_before_av_one_third  first flex_column_div  '     ><section  class='av_textblock_section av-mq7vp5ba-3ffec244a5fe722cfe8cd530a43de677 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p>Exploring the boundaries of Selective Laser Sintering (SLS) requires rigorous testing of specialized materials, particularly when utilizing flexible, high-precision tools like the <a href=\"https:\/\/www.sharebot.it\/en\/printers\/snowwhite-2\/\"><b data-path-to-node=\"0\" data-index-in-node=\"180\">Sharebot SnowWhite2<\/b><\/a>. Recently, our R&amp;D team completed an internal evaluation of a <b data-path-to-node=\"0\" data-index-in-node=\"262\">thermoplastic PVA (Polyvinyl Alcohol) powder<\/b>, a material prized for its unique properties yet demanding in its processing requirements. The SnowWhite2, equipped with a 14W CO2 laser and s<a href=\"https:\/\/www.sharebot.it\/en\/sharebot-snowwhite2-sls-3d-printer-for-universities-research-centers\/\">pecifically designed for material research and development<\/a>, provided the ideal environment to characterize how this hygroscopic polymer behaves under controlled industrial conditions.<\/p>\n<\/div><\/section><\/div><div  class='flex_column av-av_one_third-81ffae5c045da499b4cdf64520897184 av_one_third  avia-builder-el-4  el_after_av_two_third  el_before_av_textblock  flex_column_div  '     ><p><div  class='avia-button-wrap avia-button-center  avia-builder-el-5  el_before_av_image  avia-builder-el-first '>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mq7vz6yr-1ae1088f17194d77a9da5d9252834398\">\n#top #wrap_all .avia-button.av-mq7vz6yr-1ae1088f17194d77a9da5d9252834398:hover{\ncolor:white;\ntransition:all 0.4s ease-in-out;\n}\n#top #wrap_all .avia-button.av-mq7vz6yr-1ae1088f17194d77a9da5d9252834398:hover .avia-svg-icon svg:first-child{\nfill:white;\nstroke:white;\n}\n<\/style>\n<a href='\/en\/printers\/snowwhite-2\/#request-form' class='avia-color-theme-color avia-font-color-theme-color avia-button avia-button-fullwidth av-mq7vz6yr-1ae1088f17194d77a9da5d9252834398 avia-icon_select-yes-left-icon avia-color-theme-color'   aria-label=\"Request the report\"><span class='avia_button_icon avia_button_icon_left avia-svg-icon avia-font-svg_entypo-fontello' data-av_svg_icon='info-circled' data-av_iconset='svg_entypo-fontello'><svg version=\"1.1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"29\" height=\"32\" viewBox=\"0 0 29 32\" preserveAspectRatio=\"xMidYMid meet\" aria-labelledby='av-svg-title-1' aria-describedby='av-svg-desc-1' role=\"graphics-symbol\">\n<title id='av-svg-title-1'>Info-circled<\/title>\n<desc id='av-svg-desc-1'>Info-circled<\/desc>\n<path d=\"M14.528 1.28q6.080-0.064 10.432 4.16t4.48 10.304q0.064 6.080-4.192 10.464t-10.336 4.512q-6.080 0.064-10.464-4.192t-4.448-10.336q-0.128-6.080 4.16-10.464t10.368-4.448zM16.192 6.144q-1.344 0-2.080 0.768t-0.736 1.6q-0.064 0.896 0.48 1.408t1.568 0.512q1.216 0 1.952-0.704t0.736-1.728q0-1.856-1.92-1.856zM12.352 25.152q0.96 0 2.688-0.832t3.392-2.496l-0.576-0.768q-1.536 1.152-2.304 1.152-0.448 0-0.128-1.216l1.344-5.12q0.832-3.072-0.704-3.072-0.96 0-2.848 0.928t-3.68 2.4l0.512 0.832q1.664-1.088 2.368-1.088 0.384 0 0 1.088l-1.152 4.864q-0.832 3.328 1.088 3.328z\"><\/path>\n<\/svg><\/span><span class='avia_iconbox_title' >Request the report<\/span><span class='avia_button_background avia-button avia-button-fullwidth avia-color-theme-color-highlight'><\/span><\/a><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mq7w1swv-41a6a9974060fb9cf07deef738ae598e\">\n.avia-image-container.av-mq7w1swv-41a6a9974060fb9cf07deef738ae598e img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-mq7w1swv-41a6a9974060fb9cf07deef738ae598e .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-mq7w1swv-41a6a9974060fb9cf07deef738ae598e av-styling- avia-align-center  avia-builder-el-6  el_after_av_button_big  avia-builder-el-no-sibling '   itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class='wp-image-10206 avia-img-lazy-loading-not-10206 avia_image ' src=\"https:\/\/www.sharebot.it\/wp-content\/uploads\/2026\/06\/test_zone_pva.png\" alt='Test object in PVA built using SNowwhite 2 SLS' title='test_zone_pva'  height=\"369\" width=\"374\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/www.sharebot.it\/wp-content\/uploads\/2026\/06\/test_zone_pva.png 374w, https:\/\/www.sharebot.it\/wp-content\/uploads\/2026\/06\/test_zone_pva-300x296.png 300w, https:\/\/www.sharebot.it\/wp-content\/uploads\/2026\/06\/test_zone_pva-80x80.png 80w, https:\/\/www.sharebot.it\/wp-content\/uploads\/2026\/06\/test_zone_pva-36x36.png 36w\" sizes=\"(max-width: 374px) 100vw, 374px\" \/><\/div><\/div><\/div><\/p><\/div><section  class='av_textblock_section av-mq7vyebz-b76b82503c3594c29b11ae3cd4f73b22 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><h3 data-path-to-node=\"1\">Key Technical Findings<\/h3>\n<p data-path-to-node=\"2\">Our testing identified a stable processing window for PVA, highlighting the following essential parameters and operational insights:<\/p>\n<ul data-path-to-node=\"3\">\n<li>\n<p data-path-to-node=\"3,0,0\"><b data-path-to-node=\"3,0,0\" data-index-in-node=\"0\">Optimal Thermal Profile:<\/b> Successful sintering was achieved at a powder bed temperature of <b data-path-to-node=\"3,0,0\" data-index-in-node=\"90\">132 \u00b0C<\/b>.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"3,1,0\"><b data-path-to-node=\"3,1,0\" data-index-in-node=\"0\">Laser Settings:<\/b> An optimal balance was found using <b data-path-to-node=\"3,1,0\" data-index-in-node=\"51\">35% laser power<\/b> at a scan speed of <b data-path-to-node=\"3,1,0\" data-index-in-node=\"86\">55,000 pps<\/b>.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"3,2,0\"><b data-path-to-node=\"3,2,0\" data-index-in-node=\"0\">Atmosphere:<\/b> All tests were conducted under an <b data-path-to-node=\"3,2,0\" data-index-in-node=\"46\">inert nitrogen (N\u2082) environment<\/b> to ensure material integrity.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"3,3,0\"><b data-path-to-node=\"3,3,0\" data-index-in-node=\"0\">Material Handling:<\/b> Due to its hygroscopic nature, pre-drying the powder for <b data-path-to-node=\"3,3,0\" data-index-in-node=\"76\">2 hours at 40 \u00b0C<\/b> is mandatory.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"3,4,0\"><b data-path-to-node=\"3,4,0\" data-index-in-node=\"0\">Process Observations:<\/b> The powder exhibits limited flowability. While blade recoating was used for this study, we recommend exploring roller recoating or the integration of a flow agent to enhance surface planarity.<\/p>\n<\/li>\n<li>\n<p data-path-to-node=\"3,5,0\"><b data-path-to-node=\"3,5,0\" data-index-in-node=\"0\">Maintenance:<\/b> Rigorous post-process sieving is required to maintain powder quality for subsequent cycles.<\/p>\n<\/li>\n<\/ul>\n<h3 data-path-to-node=\"4\">Conclusion<\/h3>\n<p data-path-to-node=\"5\">The results demonstrate that the SnowWhite2 is highly effective for characterizing novel, challenging materials. While PVA demands specific handling protocols, our iterative testing has successfully mapped a pathway for reproducible performance, offering a solid foundation for further material development and end-use application optimization.<\/p>\n<\/div><\/section>\n<\/div><\/div><\/main><!-- close content main element --><\/div><\/div><div id='after_section_1'  class='main_color av_default_container_wrap container_wrap sidebar_right'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-10203'><div class='entry-content-wrapper clearfix'>\n","protected":false},"excerpt":{"rendered":"<p>Discover optimal parameters for 3D printing PVA powder on the Sharebot SnowWhite2 SLS system. Expert R&#038;D insights on drying, thermal profiles, and process setup.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[37],"tags":[64,38],"class_list":["post-10203","post","type-post","status-publish","format-standard","hentry","category-snowwhite-2","tag-pva","tag-sls-2"],"_links":{"self":[{"href":"https:\/\/www.sharebot.it\/en\/wp-json\/wp\/v2\/posts\/10203","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sharebot.it\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sharebot.it\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sharebot.it\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sharebot.it\/en\/wp-json\/wp\/v2\/comments?post=10203"}],"version-history":[{"count":4,"href":"https:\/\/www.sharebot.it\/en\/wp-json\/wp\/v2\/posts\/10203\/revisions"}],"predecessor-version":[{"id":10209,"href":"https:\/\/www.sharebot.it\/en\/wp-json\/wp\/v2\/posts\/10203\/revisions\/10209"}],"wp:attachment":[{"href":"https:\/\/www.sharebot.it\/en\/wp-json\/wp\/v2\/media?parent=10203"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sharebot.it\/en\/wp-json\/wp\/v2\/categories?post=10203"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sharebot.it\/en\/wp-json\/wp\/v2\/tags?post=10203"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}