{"id":15502,"date":"2016-07-11T00:00:00","date_gmt":"2016-07-10T22:00:00","guid":{"rendered":"https:\/\/lati.com\/pps-compound-for-food-contact-performance-and-safety-in-fluidic-devices\/"},"modified":"2026-03-16T11:54:57","modified_gmt":"2026-03-16T10:54:57","slug":"pps-compound-for-food-contact-performance-and-safety-in-fluidic-devices","status":"publish","type":"post","link":"https:\/\/lati.com\/en\/pps-compound-for-food-contact-performance-and-safety-in-fluidic-devices\/","title":{"rendered":"PPS Compound for Food Contact: Performance and Safety in Fluidic Devices"},"content":{"rendered":"<p>The management of <strong>food fluids<\/strong> requires technical materials that combine <strong>mechanical strength, thermal stability, and chemical safety<\/strong>.<br \/>\nPPS (polyphenylene sulfide) <strong>compounds<\/strong> are currently one of the best solutions for food contact applications, thanks to their <strong>chemical inertness, rigidity, and compliance with international standards<\/strong> such as <strong>NSF51<\/strong>.<\/p>\n<h2>The Challenges of Materials in the Transport of Food Fluids<\/h2>\n<p>In the <g id=\"gid_0\">food &amp; beverage<\/g> sector, the design of <strong>plastic components for liquid management<\/strong> imposes extremely stringent requirements:  <\/p>\n<ul>\n<li><strong>operating pressures up to 20 bar<\/strong>,<\/li>\n<li><strong>temperatures from -10\u00b0C to +100\u00b0C<\/strong>,<\/li>\n<li><strong>dimensional stability<\/strong> to ensure measurement accuracy,<\/li>\n<li><strong>chemical resistance<\/strong> to water, sugars, detergents, and additives.<\/li>\n<\/ul>\n<p>A minimal error in tolerances can compromise the operation of <strong>flow meters<\/strong>, <strong>valves<\/strong>, or <strong>nozzles<\/strong>, causing leaks or contamination.<br \/>\nFor these reasons, the material must offer <strong>structural mechanical strength<\/strong> as well as <strong>dimensional invariability<\/strong> under varying thermal and chemical conditions.<\/p>\n<h2>LARTON G\/40 NAT:0169f1 \u2013 PPS Certified for Food Contact<\/h2>\n<p>An emblematic case study is that of <strong>Swiss DIGMESA<\/strong>, a leading company in the production of <strong>precision sensors and flow meters<\/strong>.<br \/>\nFor the construction of the housing and nozzles of a <strong>flow meter for food fluids<\/strong>, DIGMESA chose LATI&#8217;s <strong>PPS compound LARTON G\/40 NAT:0169F1<\/strong>.<\/p>\n<h3>Technical Characteristics of LARTON G\/40 NAT:0169f1<\/h3>\n<table>\n<thead>\n<tr>\n<td><strong>Property<\/strong><\/td>\n<td><strong>Typical value<\/strong><\/td>\n<td><strong>Function \/ Requirement<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Polymer base<\/strong><\/td>\n<td>Branched PPS<\/td>\n<td>Dimensional and chemical stability<\/td>\n<\/tr>\n<tr>\n<td><strong>Reinforcement<\/strong><\/td>\n<td>40% glass fiber<\/td>\n<td>Rigidity and creep resistance<\/td>\n<\/tr>\n<tr>\n<td><strong>Operating temperature<\/strong><\/td>\n<td>-10 \u00b0C \u00f7 +100 \u00b0C<\/td>\n<td>Thermal compatibility with hot fluids<\/td>\n<\/tr>\n<tr>\n<td><strong>Working pressure<\/strong><\/td>\n<td>up to 20 bar<\/td>\n<td>Mechanical robustness in operation<\/td>\n<\/tr>\n<tr>\n<td><strong>Certification<\/strong><\/td>\n<td>NSF51<\/td>\n<td>Suitability for food contact<\/td>\n<\/tr>\n<tr>\n<td><strong>Chemical resistance<\/strong><\/td>\n<td>Excellent<\/td>\n<td>Compatibility with food liquids and detergents<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>The <strong>LARTON G\/40 NAT:0169F1<\/strong> ensures a perfect balance between <strong>strength and dimensional precision<\/strong>, preventing deformations due to heat or pressure.<br \/>\nAdditionally, the <strong>corrosion resistance<\/strong> and <strong>non-migration of substances<\/strong> ensure the absolute hygienic safety of the device.<\/p>\n<h2>Why Choose PPS Compounds for Food Contact<\/h2>\n<p><strong>PPS compounds for food contact<\/strong> are particularly suitable for applications where other engineering polymers, such as PA or POM, may have limitations in stability or water absorption.<br \/>\nThe main characteristics that make PPS ideal for <strong>transport and measurement of food fluids<\/strong> include: <\/p>\n<ul>\n<li><strong>Low permeability<\/strong> to liquids and gases;<\/li>\n<li><strong>Chemical inertness<\/strong> to weak acids and bases;<\/li>\n<li><strong>Thermal stability up to 200\u00b0C (short peaks)<\/strong>;<\/li>\n<li><strong>No dimensional deformations<\/strong> even after sterilization cycles;<\/li>\n<li><strong>Compliance with food contact standards (NSF51, FDA)<\/strong>.<\/li>\n<\/ul>\n<p>Thanks to these properties, PPS is used not only in <strong>coffee machines, vending machines, and beverage pumps<\/strong>, but also in <strong>measurement instruments<\/strong>, <strong>filters<\/strong>, and <strong>process valves<\/strong>.<\/p>\n<h2>Alternatives and Synergies: LATI&#8217;s Range for Food Contact<\/h2>\n<p>In addition to PPS, LATI offers a <strong>complete range of engineering polymer compounds<\/strong> certified for food-grade applications, including: <\/p>\n<table>\n<thead>\n<tr>\n<td><strong>Base polymer<\/strong><\/td>\n<td><strong>Main characteristics<\/strong><\/td>\n<td><strong>Fields of use<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>PP (polypropylene)<\/strong><\/td>\n<td>Lightweight, chemical resistance, low cost<\/td>\n<td>Tanks, fittings, filters<\/td>\n<\/tr>\n<tr>\n<td><strong>PA (polyamide)<\/strong><\/td>\n<td>Mechanical strength, good workability<\/td>\n<td>Structural components, pumps<\/td>\n<\/tr>\n<tr>\n<td><strong>PPA (polyphthalamide)<\/strong><\/td>\n<td>High temperature, low moisture absorption<\/td>\n<td>Valves, sensor bodies, fittings<\/td>\n<\/tr>\n<tr>\n<td><strong>PPS (polyphenylene sulfide)<\/strong><\/td>\n<td>Superior thermal and dimensional stability<\/td>\n<td>Flow meters, pressurized systems<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Application Example: DIGMESA Flow Meter<\/h2>\n<p>The DIGMESA project demonstrates the reliability of <strong>LATI PPS compounds<\/strong> even in <strong>precision instruments<\/strong>.<br \/>\nThe reinforced PPS parts maintain <strong>strict geometric tolerances<\/strong>, ensuring the <strong>perfect fit of internal components<\/strong> and preventing <strong>micro-leaks or flow variations<\/strong>.<\/p>\n<p>Moreover, the combination of <strong>chemical stability and structural rigidity<\/strong> allows for a long operational life even in continuous flow cycles or in the presence of <strong>aggressive liquids and alkaline detergents<\/strong>.<\/p>\n<h2>Advantages of PPS Compound for Food Applications<\/h2>\n<table>\n<thead>\n<tr>\n<td><strong>Advantage<\/strong><\/td>\n<td><strong>Description<\/strong><\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>NSF51 certified<\/strong><\/td>\n<td>Safety for direct contact with food and beverages<\/td>\n<\/tr>\n<tr>\n<td><strong>High rigidity<\/strong><\/td>\n<td>Maintains dimensional tolerances even when hot<\/td>\n<\/tr>\n<tr>\n<td><strong>Excellent chemical resistance<\/strong><\/td>\n<td>Suitable for water, coffee, sugars, and detergents<\/td>\n<\/tr>\n<tr>\n<td><strong>Low moisture absorption<\/strong><\/td>\n<td>Long-term stability and functional precision<\/td>\n<\/tr>\n<tr>\n<td><strong>Mechanical and thermal compatibility<\/strong><\/td>\n<td>Suitable for structural and precision components<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>FAQ \u2013 Frequently Asked Questions about PPS Compounds for Food Contact<\/h2>\n<ol>\n<li> <strong> Is PPS suitable for applications in contact with drinking water?<\/strong><br \/>\nYes, PPS compounds like LARTON G\/40 NAT:0169F1 are <strong>NSF51 certified<\/strong> and suitable for drinking water and hot food fluids.<\/li>\n<li> <strong> What advantages does PPS offer over PA or POM?<\/strong><br \/>\nPPS is <strong>more thermally and chemically stable<\/strong>, ensuring better performance in high-temperature environments or in the presence of aggressive detergents.<\/li>\n<li> <strong> Is it possible to customize a PPS compound for specific process needs?<\/strong><br \/>\nYes, compounds can be <strong>modified upon request<\/strong> with different reinforcement levels, food-grade colorations, and additional certifications.<\/li>\n<\/ol>\n<h2>Conclusion<\/h2>\n<p>The <strong>PPS compound for food contact<\/strong> like <strong>LARTON G\/40 NAT:0169F1<\/strong> represents the ideal solution for applications where <strong>safety, precision, and durability<\/strong> are essential requirements.<\/p>\n<p><strong>Do you want to develop a high-performance food-grade component?<\/strong><br \/>\nRequest a <strong><a href=\"http:\/\/latiwp.weblink.it\/contattaci\/\">LATI technical consultation<\/a><\/strong> to identify the <strong>most suitable certified compound<\/strong> for your project in the food sector.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>LATI observes with great interest the evolution of sectors related to the food field, from vending to coffee machines, from drinking water transport to food processing.<\/p>\n","protected":false},"author":1,"featured_media":3271,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[293,281],"tags":[275],"class_list":["post-15502","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-high-temperatures","category-home-appliances-and-consumer-goods","tag-case-study"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>PPS compound for food contact | LATI<\/title>\n<meta name=\"description\" content=\"PPS compound for food contact: high mechanical performance, 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