{"product_id":"polyimidepi-vespel®-sp-1-rod-small-length","title":"DuPont Vespel® SP-1 Polyimide Rod  — Short Length | PI High-Temperature Bar Stock","description":"\u003ch3 class=\"heading-2 ace-line old-record-id-SYU7fYi7Sd9wMhczjhbcbLEnnjg\"\u003eDetailed Introduction of Vespel® SP-1\u003c\/h3\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-GmhyfumfHdpuFSc1DkBcdpXAnmd\"\u003eVespel® SP-1 is a high-performance unfilled polyimide (PI) molding compound produced by DuPont, a benchmark material in the field of high-temperature resistant engineering plastics. As a semi-crystalline PI material, it exhibits exceptional comprehensive properties, making it ideal for extreme environment applications where reliability and durability are critical.\u003c\/div\u003e\n\u003ch4 class=\"ace-line ace-line old-record-id-OPxffHg98daoxmc67vjcpAM8noc\"\u003eCore Properties:\u003c\/h4\u003e\n\u003cp class=\"ace-line ace-line old-record-id-NVN3fYu7KdmRtCcnhNoc9H3YnHf\"\u003e\u003cspan\u003e\u003cspan style=\"font-family: 宋体;\"\u003e·\u003c\/span\u003e\u003c\/span\u003eThermal Performance: Continuous operating temperature up to 260°C (500°F), short-term use temperature up to 482°C (900°F). It maintains excellent toughness even at cryogenic temperatures as low as -269°C (-452°F), with a glass transition temperature of 143°C and a melting point of 385°C.\u003c\/p\u003e\n\u003cp class=\"ace-line ace-line old-record-id-NVN3fYu7KdmRtCcnhNoc9H3YnHf\"\u003e\u003cspan\u003e\u003cspan style=\"font-family: 宋体;\"\u003e·\u003c\/span\u003e\u003c\/span\u003eMechanical Strength: Boasts superior mechanical properties among unfilled PI materials, with high tensile strength, excellent impact resistance (notched Izod impact strength: 12 kJ\/m²), and outstanding creep resistance and fatigue resistance, ensuring long-term stable performance under static and dynamic loads. Electrical Insulation: Exceptional dielectric properties, with a dielectric constant of 3.5 (1 MHz), dielectric strength of 20 kV\/mm, and low dielectric loss (tanδ = 0.002 at 1 MHz), making it an excellent electrical insulation material for high-frequency and high-voltage applications.\u003c\/p\u003e\n\u003cp class=\"ace-line ace-line old-record-id-NVN3fYu7KdmRtCcnhNoc9H3YnHf\"\u003e\u003cspan\u003e\u003cspan style=\"font-family: 宋体;\"\u003e·\u003c\/span\u003e\u003c\/span\u003eChemical Resistance: Resistant to most acids, bases, organic solvents, aviation fuels, hydraulic oils, and other harsh chemical media. It also has excellent hydrolysis resistance and aging resistance, suitable for long-term use in corrosive environments. \u003c\/p\u003e\n\u003cp class=\"ace-line ace-line old-record-id-NVN3fYu7KdmRtCcnhNoc9H3YnHf\"\u003e\u003cspan\u003e\u003cspan style=\"font-family: 宋体;\"\u003e·\u003cmeta charset=\"utf-8\"\u003e\u003c\/span\u003e\u003c\/span\u003eOther\u003cspan\u003e\u003cspan style=\"font-family: 宋体;\"\u003e\u003cspan data-lark-record-data='{\"rootId\":\"X9LzfTVGVd3WhtcXvGvc9pksn5d\",\"text\":{\"initialAttributedTexts\":{\"text\":{\"0\":\"Other\"},\"attribs\":{\"0\":\"*0+5\"}},\"apool\":{\"numToAttrib\":{\"0\":[\"author\",\"3537605091668267\"]},\"nextNum\":1}},\"type\":\"text\",\"referenceRecordMap\":{},\"extra\":{\"channel\":\"saas\",\"pasteRandomId\":\"5f64ac8a-9c92-41dc-9e24-c84f5b5d1d98\",\"mention_page_title\":{},\"external_mention_url\":{}},\"isKeepQuoteContainer\":false,\"isFromCode\":false,\"selection\":[{\"id\":16,\"type\":\"text\",\"selection\":{\"start\":1144,\"end\":1149},\"recordId\":\"NVN3fYu7KdmRtCcnhNoc9H3YnHf\"}],\"payloadMap\":{},\"isCut\":false}' data-lark-record-format=\"docx\/text\" class=\"lark-record-clipboard\"\u003e\u003c\/span\u003e \u003c\/span\u003e\u003c\/span\u003eAdvantages: Complies with FDA food contact standards and biocompatibility requirements for certain medical applications. It is a thermosetting material that requires isostatic pressing or direct forming (DF) processes, and can be machined into precision components with stable dimensional accuracy.\u003c\/p\u003e\n\u003cdiv class=\"ace-line ace-line old-record-id-SSGmfTHntdNDshcFSdTcbH3unzQ\"\u003e\n\u003cspan\u003e\u003cspan style=\"font-family: 宋体;\"\u003e·\u003c\/span\u003e\u003c\/span\u003eTypical Applications: Aerospace structural components, high-temperature electrical insulation parts (such as motor slot insulation, high-voltage cable sheathing), semiconductor equipment components, medical devices that require repeated sterilization, food processing machinery parts, and high-precision mechanical components in extreme environments.\u003c\/div\u003e","brand":"shunhan","offers":[{"title":"Default Title","offer_id":47662422098137,"sku":null,"price":0.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0788\/2483\/3241\/files\/Vespel_SP-1_dfc86f07-9fb5-4445-9cd2-9bc5633ca408.png?v=1768320995","url":"https:\/\/www.shunhanplastics.com\/products\/polyimidepi-vespel%c2%ae-sp-1-rod-small-length","provider":"ShunHan Plastics","version":"1.0","type":"link"}