{"id":872,"date":"2026-05-19T12:06:38","date_gmt":"2026-05-19T04:06:38","guid":{"rendered":"https:\/\/bastone-petrochem.com\/?post_type=product&#038;p=872"},"modified":"2026-05-19T13:18:28","modified_gmt":"2026-05-19T05:18:28","slug":"modified-pa66-gf25","status":"publish","type":"product","link":"https:\/\/bastone-petrochem.com\/es\/product\/modified-pa66-gf25\/","title":{"rendered":"Modified PA66 GF25 \u2014 Glass Fiber Reinforced Nylon 66 for Injection Molding"},"content":{"rendered":"<div data-test-render-count=\"1\">\n<div class=\"group\">\n<div class=\"contents\">\n<div class=\"group relative relative pb-3\" data-is-streaming=\"false\">\n<div class=\"font-claude-response relative leading-[1.65rem] [&amp;_pre&gt;div]:bg-bg-000\/50 [&amp;_pre&gt;div]:border-0.5 [&amp;_pre&gt;div]:border-border-400 [&amp;_.ignore-pre-bg&gt;div]:bg-transparent [&amp;_.standard-markdown_:is(p,blockquote,h1,h2,h3,h4,h5,h6)]:pl-2 [&amp;_.standard-markdown_:is(p,blockquote,ul,ol,h1,h2,h3,h4,h5,h6)]:pr-8 [&amp;_.progressive-markdown_:is(p,blockquote,h1,h2,h3,h4,h5,h6)]:pl-2 [&amp;_.progressive-markdown_:is(p,blockquote,ul,ol,h1,h2,h3,h4,h5,h6)]:pr-8\">\n<div class=\"standard-markdown grid-cols-1 grid [&amp;_&gt;_*]:min-w-0 gap-3 standard-markdown\">\n<p>PA66 (polyhexamethylene adipamide) is a semi-crystalline engineering polyamide produced by the condensation of hexamethylenediamine and adipic acid. Short glass fiber reinforcement at 25% loading transforms the mechanical profile of the base resin \u2014 raising stiffness, improving creep resistance, and extending the upper service temperature well beyond what the unfilled polymer delivers.<\/p>\n<p>BT-PA66GF25-BK achieves 145 MPa tensile strength and a flexural modulus of 6,500 MPa, figures reflecting the fiber-matrix interaction of a well-compounded short-glass system. A heat distortion temperature of 249\u00b0C at 1.80 MPa load confirms dimensional stability under sustained thermal exposure \u2014 a critical parameter for under-hood automotive parts and industrial enclosures operating near heat-generating equipment.<\/p>\n<p>Mold shrinkage of 0.3\u20130.6% is significantly lower than unfilled nylon grades, which simplifies tooling design for parts with tight dimensional tolerances. Water absorption of 0.7% in 24 hours falls within the expected range for glass-reinforced PA66 and is manageable with standard pre-drying protocol before injection molding.<\/p>\n<p>Manufactured at BASTONE&#8217;s Hangzhou facility, each production batch carries traceable documentation back to raw material lots. Buyers receive a Certificate of Analysis with every shipment, covering all key physical and mechanical parameters against grade specification.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p data-path-to-node=\"1\" data-imt-p=\"1\">BT-PA66GF25-BK is a 25% glass fiber reinforced PA66 compound produced by Zhejiang Bastone Technology Co., Ltd in black pellet form.<\/p>\n<p data-path-to-node=\"1\" data-imt-p=\"1\">Combining 145 MPa tensile strength with a 249\u00b0C heat distortion temperature, the grade targets injection-molded structural components in automotive, electrical, and industrial equipment sectors where dimensional stability under load and heat is required.<\/p>","protected":false},"featured_media":877,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[52],"product_tag":[],"class_list":{"0":"post-872","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-pa","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v19.6 (Yoast SEO v25.9) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Modified PA66 GF25 BT-PA66GF25-BK | BASTONE<\/title>\n<meta name=\"description\" content=\"25% glass fiber reinforced PA66: tensile strength 145 MPa, HDT 249\u00b0C, flexural modulus 6500 MPa. 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