Le Round Head Screw<\/strong> produced by Chunhuan<\/strong> is a high-performance fastening component designed for environments where corrosion resistance, chemical stability, and material purity are critical. Made entirely from 100% virgin PTFE (Polytetrafluoroethylene), this screw provides exceptional durability and reliability under extreme working conditions. Unlike metal fasteners, PTFE screws do not rust, react, or contaminate sensitive media, making them ideal for industries such as chemical processing, semiconductor fabrication, food production, and pharmaceuticals.<\/p>\n The screw is manufactured from virgin PTFE with no additives, fillers, or recycled materials. This ensures absolute material purity and chemical inertness<\/a>, preventing any potential contamination of the process environment. The non-adhesive, ultra-smooth surface minimizes particle buildup, ensuring stable performance even in ultra-clean or sterile systems. The result is a fastening component that maintains dimensional accuracy, cleanliness, and reliability throughout its service life.<\/p>\n One of PTFE\u2019s greatest strengths is its unmatched resistance to chemical attack<\/strong>. The round head screw is virtually immune to corrosion from strong acids, bases, solvents, oxidizers, and most industrial chemicals. This makes it a perfect substitute for stainless steel or coated metal screws that may fail or degrade under harsh conditions. In chemical reactors, electroplating systems, or laboratory setups, the PTFE screw remains completely stable and reliable, even when continuously exposed to aggressive substances.<\/p>\n Le operating temperature range of -200\u00b0C to +260\u00b0C<\/strong> enables this screw to perform consistently in both cryogenic and high-temperature environments. Whether installed in a cold chemical storage line or a heated process chamber, it retains excellent mechanical properties<\/a>, dimensional stability, and sealing performance. This versatility allows it to function in industries where other materials would quickly deform, crack, or corrode.<\/p>\n The PTFE round head screw also delivers excellent electrical insulation<\/strong>, with a dielectric strength of approximately 10 kV\/mm<\/strong>. This makes it an ideal choice for use in electrical and electronic equipment, especially in high-voltage or moisture-sensitive environments. Mechanically, it offers a tensile strength of \u226515.0 MPa and elongation at break of \u2265150%, providing the flexibility and resilience needed for reliable fastening under various pressures.<\/p>\n Extreme Chemical Inertness:<\/strong> Resistant to nearly all known industrial chemicals and solvents, ensuring long-term stability in corrosive environments.<\/p>\n<\/li>\n High-Purity Construction:<\/strong> Fabriqu\u00e9 \u00e0 partir de PTFE vierge 100%<\/a>, introducing no contaminants to sensitive processes.<\/p>\n<\/li>\n Non-Stick, Low-Friction Surface:<\/strong> Reduces the risk of seizing, galling, or residue buildup, even without lubrication.<\/p>\n<\/li>\n Excellent Insulation:<\/strong> Safe for use in high-voltage or static-sensitive applications.<\/p>\n<\/li>\n Large plage de temp\u00e9ratures :<\/strong> Maintains strength and dimensional accuracy from -200\u00b0C to +260\u00b0C.<\/p>\n<\/li>\n Long Service Life:<\/strong> Resistant to UV light, aging, and weathering, significantly reducing maintenance and replacement costs.<\/p>\n<\/li>\n<\/ul>\n Chemical and Electroplating Industry:<\/strong> Used for securing reactors, valves, pumps, and pipe systems that operate in acidic or alkaline environments. Le Round Head Screw by Chunhuan<\/strong> sets the standard for high-performance PTFE fasteners. With its combination of exceptional purity, chemical inertness, temperature resistance, and electrical insulation, it offers a long-lasting solution for environments where traditional metal screws simply cannot perform. Whether you need a fastening component for corrosive chemical systems, ultra-clean semiconductor facilities, or precision medical devices, Chunhuan\u2019s PTFE round head screw provides a safe, stable, and maintenance-free solution that meets the highest industrial demands<\/a>.<\/p>","protected":false},"excerpt":{"rendered":" Mat\u00e9riau : PTFE vierge 100%Exceptional Material Purity and Stability<\/h2>\n
Superior Resistance to Corrosion and Chemicals<\/h2>\n
Wide Temperature Adaptability<\/h2>\n
Electrical and Mechanical Performance<\/h2>\n
Key Advantages<\/h2>\n
\n
Domaines d'application<\/h2>\n
Semiconductor and Electronics Manufacturing:<\/strong> Prevents metal ion contamination in wafer cleaning, CMP, and etching processes.
Pharmaceutical and Food Processing:<\/strong> Ensures hygienic, contamination-free connections for equipment in sterile or cleanroom conditions.
Medical and Biotech Equipment:<\/strong> Provides chemical and biological stability for laboratory and diagnostic systems.
Aerospace and Research Applications:<\/strong> Offers a lightweight and temperature-resistant solution for fastening in advanced testing systems.<\/p>\nConclusion<\/h2>\n
Densit\u00e9 : 2,1\u20132,3 g\/cm\u00b3
Working Temperature: -200\u00b0C to +260\u00b0C
Tensile Strength: \u226515.0 MPa
Elongation at Break: \u2265150%
Rigidit\u00e9 di\u00e9lectrique : 10 kV\/mm
Absorption d'eau : <0,01%
Contraction Percentage: <0.4%
Work Pressure: Suitable for low to medium pressure (depending on design)
Marque d\u00e9pos\u00e9e : Chunhuan
Origine : Chine
Transport Package: Standard Export Package<\/p>","protected":false},"featured_media":3899,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[40,35],"product_tag":[],"class_list":{"0":"post-3001","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-cnc-machined-parts","7":"product_cat-ptfe-products","9":"first","10":"instock","11":"shipping-taxable","12":"product-type-simple"},"gallery_images":[2997,2996,2998],"_links":{"self":[{"href":"https:\/\/ptfesuppliers.com\/fr\/wp-json\/wp\/v2\/product\/3001","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ptfesuppliers.com\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/ptfesuppliers.com\/fr\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/ptfesuppliers.com\/fr\/wp-json\/wp\/v2\/comments?post=3001"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ptfesuppliers.com\/fr\/wp-json\/wp\/v2\/media\/3899"}],"wp:attachment":[{"href":"https:\/\/ptfesuppliers.com\/fr\/wp-json\/wp\/v2\/media?parent=3001"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/ptfesuppliers.com\/fr\/wp-json\/wp\/v2\/product_brand?post=3001"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/ptfesuppliers.com\/fr\/wp-json\/wp\/v2\/product_cat?post=3001"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/ptfesuppliers.com\/fr\/wp-json\/wp\/v2\/product_tag?post=3001"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}