{"id":1602,"date":"2026-05-25T17:06:54","date_gmt":"2026-05-25T09:06:54","guid":{"rendered":"https:\/\/www.jccncmachining.com\/?post_type=material&#038;p=1602"},"modified":"2026-05-25T17:06:54","modified_gmt":"2026-05-25T09:06:54","slug":"pp-polypropylene","status":"publish","type":"material","link":"https:\/\/www.jccncmachining.com\/de\/materials\/pp-polypropylene\/","title":{"rendered":"PP (Polypropylene)"},"content":{"rendered":"<p><!-- Section 5: Available PP Variants --><\/p>\n<div class=\"available-material-types\">\n<h3 style=\"font-size: 24px; font-weight: bold; margin-bottom: 15px;\">Available Polypropylene Types<\/h3>\n<table style=\"width: 100%; border-collapse: collapse; margin-bottom: 30px;\" border=\"1\" cellspacing=\"0\" cellpadding=\"10\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th style=\"text-align: left;\">Grade<\/th>\n<th style=\"text-align: left;\">Common Name<\/th>\n<th style=\"text-align: left;\">Key Characteristics<\/th>\n<th style=\"text-align: left;\">Typical Applications<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>PP Homopolymer<\/strong><\/td>\n<td>Rigid PP<\/td>\n<td>Higher strength and stiffness. Best for structural chemical tanks and labware.<\/td>\n<td>Chemical manifolds, valves, pump parts.<\/td>\n<\/tr>\n<tr>\n<td><strong>PP Copolymer<\/strong><\/td>\n<td>Impact PP<\/td>\n<td>Improved impact resistance at low temperatures. More flexible.<\/td>\n<td>Automotive battery cases, protective covers.<\/td>\n<\/tr>\n<tr>\n<td><strong>Glass-Filled PP<\/strong><\/td>\n<td>PP GF20\/30<\/td>\n<td>Reinforced for much higher rigidity and dimensional stability.<\/td>\n<td>Appliance components, automotive structural parts.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><!-- Section 6: Machining Capabilities --><\/p>\n<div class=\"machining-capabilities\">\n<h3 style=\"font-size: 24px; font-weight: bold; margin-bottom: 15px;\">PP Machining Capabilities<\/h3>\n<table style=\"width: 100%; border-collapse: collapse; margin-bottom: 30px;\" border=\"1\" cellspacing=\"0\" cellpadding=\"10\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th style=\"text-align: left; width: 25%;\">Capability<\/th>\n<th style=\"text-align: left; width: 45%;\">Technical Description<\/th>\n<th style=\"text-align: left; width: 30%;\">Jucheng Advantage<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Burr-Free Milling<\/strong><\/td>\n<td>Using specialized high-speed spindles and sharp geometry tools to shear PP cleanly.<\/td>\n<td>Eliminates manual deburring, ensuring smooth internal channels for fluidic manifolds.<\/td>\n<\/tr>\n<tr>\n<td><strong>Living Hinge Fabrication<\/strong><\/td>\n<td>Precision milling of thin sections (down to 0.3mm) to create durable, integrated hinges.<\/td>\n<td>Ensures thousands of flex cycles without material fatigue or failure.<\/td>\n<\/tr>\n<tr>\n<td><strong>Precision Tank Turning<\/strong><\/td>\n<td>Turning large-diameter PP cylinders with consistent wall thickness.<\/td>\n<td>Our rigid lathes prevent material &#8220;pushing,&#8221; achieving perfect roundness for chemical containment.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p><!-- Section 7: Fabrication Guidelines --><\/p>\n<div class=\"fabrication-guidelines\">\n<h3 style=\"font-size: 24px; font-weight: bold; margin-bottom: 15px;\">Fabrication Guidelines for Polypropylene<\/h3>\n<p><strong>Heat Control:<\/strong> PP has a low melting point. Standard tools will gum up quickly. <strong>Tip:<\/strong> We use sharp tools and abundant air-cooling to maintain a cold cutting zone.<\/p>\n<p><strong>Clamping Strategy:<\/strong> PP is soft and easily deformed. We use custom soft jaws and vacuum tables to distribute pressure evenly without marring the waxy surface.<\/p>\n<p><strong>Dimensional Growth:<\/strong> PP has a high thermal expansion coefficient. We machine in temperature-controlled environments to ensure the parts fit correctly at room temperature.<\/p>\n<\/div>\n<p><!-- Section 8: Application Scenarios --><\/p>\n<div class=\"application-scenarios\">\n<h3 style=\"font-size: 24px; font-weight: bold; margin-bottom: 15px;\">Primary Application Industries<\/h3>\n<p><strong>Chemical &amp; Labware:<\/strong> Manifolds, acid-resistant valves, and custom containers for aggressive fluids.<\/p>\n<p><strong>Medical:<\/strong> Orthopedic braces and sterilization-resistant laboratory tools that require low weight.<\/p>\n<p><strong>Consumer Products:<\/strong> Reusable containers and functional prototypes with integrated &#8220;living&#8221; components.<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Available Polypropylene Types Grade Common Name Key Characteristics Typical Applications PP Homopolymer Rigid PP Higher strength and stiffness. Best for structural chemical tanks and labware. Chemical manifolds, valves, pump parts. PP Copolymer Impact PP Improved impact resistance at low temperatures. More flexible. Automotive battery cases, protective covers. Glass-Filled PP PP GF20\/30 Reinforced for much higher [&hellip;]<\/p>\n","protected":false},"featured_media":1603,"template":"","meta":[],"material_type":[8],"material_attribute":[],"application_feature":[23,21],"machining_process":[25,26],"class_list":["post-1602","material","type-material","status-publish","has-post-thumbnail","hentry","material_type-plastic","application_feature-corrosion-resistant","application_feature-lightweight"],"_links":{"self":[{"href":"https:\/\/www.jccncmachining.com\/de\/wp-json\/wp\/v2\/material\/1602","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.jccncmachining.com\/de\/wp-json\/wp\/v2\/material"}],"about":[{"href":"https:\/\/www.jccncmachining.com\/de\/wp-json\/wp\/v2\/types\/material"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.jccncmachining.com\/de\/wp-json\/wp\/v2\/media\/1603"}],"wp:attachment":[{"href":"https:\/\/www.jccncmachining.com\/de\/wp-json\/wp\/v2\/media?parent=1602"}],"wp:term":[{"taxonomy":"material_type","embeddable":true,"href":"https:\/\/www.jccncmachining.com\/de\/wp-json\/wp\/v2\/material_type?post=1602"},{"taxonomy":"material_attribute","embeddable":true,"href":"https:\/\/www.jccncmachining.com\/de\/wp-json\/wp\/v2\/material_attribute?post=1602"},{"taxonomy":"application_feature","embeddable":true,"href":"https:\/\/www.jccncmachining.com\/de\/wp-json\/wp\/v2\/application_feature?post=1602"},{"taxonomy":"machining_process","embeddable":true,"href":"https:\/\/www.jccncmachining.com\/de\/wp-json\/wp\/v2\/machining_process?post=1602"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}