{"id":7775,"date":"2026-02-26T14:27:08","date_gmt":"2026-02-26T19:27:08","guid":{"rendered":"https:\/\/umaine.edu\/pdc\/?page_id=7775"},"modified":"2026-02-26T14:27:09","modified_gmt":"2026-02-26T19:27:09","slug":"fiber-thermoforming-2","status":"publish","type":"page","link":"https:\/\/umaine.edu\/pdc\/fiber-thermoforming-2\/","title":{"rendered":"Fiber Thermoforming 2"},"content":{"rendered":"\n<h2 class=\"wp-block-heading has-text-align-left\"><strong>Fiber Thermoforming<\/strong><\/h2>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\">Wet Thermoforming<\/h2>\n\n\n<style>.kb-row-layout-id7775_d6d29a-91 > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id7775_d6d29a-91 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id7775_d6d29a-91 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);max-width:1500px;margin-left:auto;margin-right:auto;padding-right:var(--global-kb-spacing-5xl, 10rem);padding-left:var(--global-kb-spacing-5xl, 10rem);grid-template-columns:minmax(0, calc(50% - ((var(--global-kb-gap-md, 2rem) * 1 )\/2)))minmax(0, calc(50% - ((var(--global-kb-gap-md, 2rem) * 1 )\/2)));}.kb-row-layout-id7775_d6d29a-91 > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id7775_d6d29a-91 > .kt-row-column-wrap{grid-template-columns:repeat(2, minmax(0, 1fr));}}@media all and (max-width: 767px){.kb-row-layout-id7775_d6d29a-91 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id7775_d6d29a-91 aligncenter wp-block-kadence-rowlayout\"><div class=\"kt-row-column-wrap kt-has-2-columns kt-row-layout-equal kt-tab-layout-inherit kt-mobile-layout-row kt-row-valign-top\">\n<style>.kadence-column7775_bbfc82-d4 > .kt-inside-inner-col{display:flex;}.kadence-column7775_bbfc82-d4 > .kt-inside-inner-col,.kadence-column7775_bbfc82-d4 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column7775_bbfc82-d4 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column7775_bbfc82-d4 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column7775_bbfc82-d4 > .kt-inside-inner-col > .aligncenter{width:100%;}.kt-row-column-wrap > .kadence-column7775_bbfc82-d4{align-self:center;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column7775_bbfc82-d4{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column7775_bbfc82-d4 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column7775_bbfc82-d4 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column7775_bbfc82-d4{position:relative;}@media all and (max-width: 1024px){.kt-row-column-wrap > .kadence-column7775_bbfc82-d4{align-self:center;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column7775_bbfc82-d4{align-self:auto;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column7775_bbfc82-d4 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 1024px){.kadence-column7775_bbfc82-d4 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kt-row-column-wrap > .kadence-column7775_bbfc82-d4{align-self:center;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column7775_bbfc82-d4{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column7775_bbfc82-d4 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column7775_bbfc82-d4 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column7775_bbfc82-d4\"><div class=\"kt-inside-inner-col\"><style>.kb-image7775_d8c3b3-80.kb-image-is-ratio-size, .kb-image7775_d8c3b3-80 .kb-image-is-ratio-size{max-width:400px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image7775_d8c3b3-80.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image7775_d8c3b3-80 .kb-image-is-ratio-size{align-self:unset;}.kb-image7775_d8c3b3-80 figure{max-width:400px;}.kb-image7775_d8c3b3-80 .image-is-svg, .kb-image7775_d8c3b3-80 .image-is-svg img{width:100%;}.kb-image7775_d8c3b3-80 .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image7775_d8c3b3-80\"><figure class=\"alignright size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"970\" height=\"1024\" src=\"https:\/\/umaine.edu\/pdc\/wp-content\/uploads\/sites\/398\/2021\/12\/UM-Kiefel-970x1024.jpg\" alt=\"photo of kiefel thermoformer\" class=\"kb-img wp-image-5403\" srcset=\"https:\/\/umaine.edu\/pdc\/wp-content\/uploads\/sites\/398\/2021\/12\/UM-Kiefel-970x1024.jpg 970w, https:\/\/umaine.edu\/pdc\/wp-content\/uploads\/sites\/398\/2021\/12\/UM-Kiefel-284x300.jpg 284w, https:\/\/umaine.edu\/pdc\/wp-content\/uploads\/sites\/398\/2021\/12\/UM-Kiefel-768x810.jpg 768w, https:\/\/umaine.edu\/pdc\/wp-content\/uploads\/sites\/398\/2021\/12\/UM-Kiefel-1456x1536.jpg 1456w, https:\/\/umaine.edu\/pdc\/wp-content\/uploads\/sites\/398\/2021\/12\/UM-Kiefel-105x111.jpg 105w, https:\/\/umaine.edu\/pdc\/wp-content\/uploads\/sites\/398\/2021\/12\/UM-Kiefel-317x335.jpg 317w, https:\/\/umaine.edu\/pdc\/wp-content\/uploads\/sites\/398\/2021\/12\/UM-Kiefel-423x446.jpg 423w, https:\/\/umaine.edu\/pdc\/wp-content\/uploads\/sites\/398\/2021\/12\/UM-Kiefel-634x669.jpg 634w, https:\/\/umaine.edu\/pdc\/wp-content\/uploads\/sites\/398\/2021\/12\/UM-Kiefel-846x893.jpg 846w, https:\/\/umaine.edu\/pdc\/wp-content\/uploads\/sites\/398\/2021\/12\/UM-Kiefel-951x1004.jpg 951w, https:\/\/umaine.edu\/pdc\/wp-content\/uploads\/sites\/398\/2021\/12\/UM-Kiefel-1268x1338.jpg 1268w, https:\/\/umaine.edu\/pdc\/wp-content\/uploads\/sites\/398\/2021\/12\/UM-Kiefel.jpg 1901w\" sizes=\"auto, (max-width: 320px) 85vw, (max-width: 768px) 67vw, (max-width: 1024px) 62vw,970px\" \/><\/figure><\/div>\n<\/div><\/div>\n\n\n<style>.kadence-column7775_7f2ddd-e4 > .kt-inside-inner-col,.kadence-column7775_7f2ddd-e4 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column7775_7f2ddd-e4 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column7775_7f2ddd-e4 > .kt-inside-inner-col{flex-direction:column;}.kadence-column7775_7f2ddd-e4 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column7775_7f2ddd-e4 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column7775_7f2ddd-e4{text-align:left;}.kadence-column7775_7f2ddd-e4{position:relative;}@media all and (max-width: 1024px){.kadence-column7775_7f2ddd-e4 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column7775_7f2ddd-e4 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column7775_7f2ddd-e4 kb-section-dir-vertical\"><div class=\"kt-inside-inner-col\">\n<p class=\"has-text-align-left\">The PDC partnered with Kiefel Packaging to install Kiefel\u2019s lab-scale unit.<\/p>\n\n\n\n<p class=\"has-text-align-left\">Kiefel packaging\u2019s commercial NatureFormer KFT90 unit uses a suction process in combination with cold pre-processing technology to produce the residual moisture to approximately 60%. The final pressing is accomplished with a heated tool that lowers residual moisture to approximately 7%. Bring your feedstocks and recipes to run trials, or work with the PDC to produce or source needed materials.<\/p>\n\n\n\n<p class=\"has-text-align-left\">Kiefel molds available:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>cup<\/li>\n\n\n\n<li>shallow dish<\/li>\n\n\n\n<li>deeper dish<\/li>\n\n\n\n<li>or bring your own!<\/li>\n<\/ul>\n<\/div><\/div>\n\n<\/div><\/div>\n\n<style>.wp-block-kadence-spacer.kt-block-spacer-7775_f43ae7-48 .kt-block-spacer{height:60px;}.wp-block-kadence-spacer.kt-block-spacer-7775_f43ae7-48 .kt-divider{border-top-width:1px;height:1px;border-top-color:#eee;width:80%;border-top-style:solid;}<\/style>\n<div class=\"wp-block-kadence-spacer aligncenter kt-block-spacer-7775_f43ae7-48\"><div class=\"kt-block-spacer kt-block-spacer-halign-center\"><hr class=\"kt-divider\" \/><\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading has-text-align-center\">Dry Thermoforming<\/h2>\n\n\n<style>.kb-row-layout-id7775_b9adc7-75 > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id7775_b9adc7-75 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id7775_b9adc7-75 > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);padding-right:var(--global-kb-spacing-lg, 3rem);padding-left:var(--global-kb-spacing-5xl, 10rem);grid-template-columns:minmax(0, calc(50.1% - ((var(--global-kb-gap-md, 2rem) * 1 )\/2)))minmax(0, calc(49.9% - ((var(--global-kb-gap-md, 2rem) * 1 )\/2)));}.kb-row-layout-id7775_b9adc7-75 > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id7775_b9adc7-75 > .kt-row-column-wrap{grid-template-columns:repeat(2, minmax(0, 1fr));}}@media all and (max-width: 767px){.kb-row-layout-id7775_b9adc7-75 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id7775_b9adc7-75 alignnone wp-block-kadence-rowlayout\"><div class=\"kt-row-column-wrap kt-has-2-columns kt-row-layout-equal kt-tab-layout-inherit kt-mobile-layout-row kt-row-valign-top\">\n<style>.kadence-column7775_31e161-9a > .kt-inside-inner-col{padding-left:var(--global-kb-spacing-3xl, 6.5rem);}.kadence-column7775_31e161-9a > .kt-inside-inner-col,.kadence-column7775_31e161-9a > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column7775_31e161-9a > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column7775_31e161-9a > .kt-inside-inner-col{flex-direction:column;}.kadence-column7775_31e161-9a > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column7775_31e161-9a > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column7775_31e161-9a{text-align:left;}.kadence-column7775_31e161-9a{position:relative;}@media all and (max-width: 1024px){.kadence-column7775_31e161-9a > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column7775_31e161-9a > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column7775_31e161-9a kb-section-dir-vertical\"><div class=\"kt-inside-inner-col\">\n<p>The PDC has installed a lab-scale Gralex Thermoformer for drying thermoforming applications.<\/p>\n\n\n\n<p>This lab-scale dry thermoformer is used to press, mold, and crease paperboard into 3D shapes, primarily food packaging. This equipment is an important step in our\u00a0<a href=\"https:\/\/umaine.edu\/pdc\/sustainable-packaging-initiative-spi\/\">Sustainable Packaging Initiative<\/a>.<\/p>\n\n\n\n<p>Gralex dies include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>plates<\/li>\n\n\n\n<li>trays<\/li>\n\n\n\n<li>bowls<\/li>\n\n\n\n<li>or bring your own!<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n<style>.kadence-column7775_19fe87-c2 > .kt-inside-inner-col{display:flex;}.kadence-column7775_19fe87-c2 > .kt-inside-inner-col,.kadence-column7775_19fe87-c2 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column7775_19fe87-c2 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column7775_19fe87-c2 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column7775_19fe87-c2 > .kt-inside-inner-col > .aligncenter{width:100%;}.kt-row-column-wrap > .kadence-column7775_19fe87-c2{align-self:center;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column7775_19fe87-c2{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column7775_19fe87-c2 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column7775_19fe87-c2 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column7775_19fe87-c2{position:relative;}@media all and (max-width: 1024px){.kt-row-column-wrap > .kadence-column7775_19fe87-c2{align-self:center;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column7775_19fe87-c2{align-self:auto;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column7775_19fe87-c2 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 1024px){.kadence-column7775_19fe87-c2 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kt-row-column-wrap > .kadence-column7775_19fe87-c2{align-self:center;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column7775_19fe87-c2{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column7775_19fe87-c2 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}.kadence-column7775_19fe87-c2 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column7775_19fe87-c2\"><div class=\"kt-inside-inner-col\"><style>.kb-image7775_f52ac8-0b.kb-image-is-ratio-size, .kb-image7775_f52ac8-0b .kb-image-is-ratio-size{max-width:250px;width:100%;}.wp-block-kadence-column > .kt-inside-inner-col > .kb-image7775_f52ac8-0b.kb-image-is-ratio-size, .wp-block-kadence-column > .kt-inside-inner-col > .kb-image7775_f52ac8-0b .kb-image-is-ratio-size{align-self:unset;}.kb-image7775_f52ac8-0b figure{max-width:250px;}.kb-image7775_f52ac8-0b .image-is-svg, .kb-image7775_f52ac8-0b .image-is-svg img{width:100%;}.kb-image7775_f52ac8-0b .kb-image-has-overlay:after{opacity:0.3;}<\/style>\n<div class=\"wp-block-kadence-image kb-image7775_f52ac8-0b\"><figure class=\"alignleft size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"476\" height=\"630\" src=\"https:\/\/umaine.edu\/pdc\/wp-content\/uploads\/sites\/398\/2024\/09\/gralex.png\" alt=\"image of Gralex dry thermoformer\" class=\"kb-img wp-image-6430\" srcset=\"https:\/\/umaine.edu\/pdc\/wp-content\/uploads\/sites\/398\/2024\/09\/gralex.png 476w, https:\/\/umaine.edu\/pdc\/wp-content\/uploads\/sites\/398\/2024\/09\/gralex-227x300.png 227w, https:\/\/umaine.edu\/pdc\/wp-content\/uploads\/sites\/398\/2024\/09\/gralex-105x140.png 105w, https:\/\/umaine.edu\/pdc\/wp-content\/uploads\/sites\/398\/2024\/09\/gralex-317x420.png 317w, https:\/\/umaine.edu\/pdc\/wp-content\/uploads\/sites\/398\/2024\/09\/gralex-423x560.png 423w\" sizes=\"auto, (max-width: 320px) 85vw, (max-width: 768px) 67vw, (max-width: 1024px) 62vw,476px\" \/><\/figure><\/div>\n<\/div><\/div>\n\n<\/div><\/div>\n\n\n<p class=\"has-text-align-center\">If you are interested in learning more about our thermoforming units, please contact Colleen Walker at:\u00a0<a href=\"mailto:colleen.walker@maine.edu\">colleen.walker@maine.edu<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Fiber Thermoforming Wet Thermoforming The PDC partnered with Kiefel Packaging to install Kiefel\u2019s lab-scale unit. Kiefel packaging\u2019s commercial NatureFormer KFT90 unit uses a suction process in combination with cold pre-processing technology to produce the residual moisture to approximately 60%. The final pressing is accomplished with a heated tool that lowers residual moisture to approximately 7%. [&hellip;]<\/p>\n","protected":false},"author":1829,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-7775","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Fiber Thermoforming 2 - The Process Development Center - University of Maine<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/umaine.edu\/pdc\/fiber-thermoforming-2\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fiber Thermoforming 2 - The Process Development Center - University of Maine\" \/>\n<meta property=\"og:description\" content=\"Fiber Thermoforming Wet Thermoforming The PDC partnered with Kiefel Packaging to install Kiefel\u2019s lab-scale unit. Kiefel packaging\u2019s commercial NatureFormer KFT90 unit uses a suction process in combination with cold pre-processing technology to produce the residual moisture to approximately 60%. The final pressing is accomplished with a heated tool that lowers residual moisture to approximately 7%. 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