{"product_id":"3m-398fr-glass-cloth-tape-bms-5-146","title":"3M 398FR Flame Retardant Glass Cloth Tape | Boeing BMS 5-146","description":"\u003csection class=\"product-intro\"\u003e\n  \u003cp\u003e3M 398FR Glass Cloth Tape is a high-performance, flame-retardant aerospace solution engineered for critical cargo bay sealing, insulation bundling, and high-abrasion applications. This 7-mil tape is qualified to Boeing BMS 5-146 and FAR 25.853, providing the exceptional dimensional stability and tensile strength required for commercial aircraft production and MRO operations.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"product-features-compliance\"\u003e\n  \u003ch2 style=\"color: #c00000; font-size: 20px;\"\u003eTechnical Compliance \u0026amp; Key Features\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eAviation Fire Safety: Meets FAR 25.853(a) and FAR 25.855(d) flame performance requirements.\u003c\/li\u003e\n    \u003cli\u003eOEM Specification: Qualified to Boeing BMS 5-146 Type I, Class 1, Grade A.\u003c\/li\u003e\n    \u003cli\u003eExtreme Durability: Woven glass cloth backing provides superior resistance to tearing and puncture in high-abrasion environments.\u003c\/li\u003e\n    \u003cli\u003eAdvanced Adhesion: High-adhesion acrylic adhesive bonds securely to metals, structural surfaces, and insulation facers.\u003c\/li\u003e\n    \u003cli\u003eThermal Range: Engineered for reliable service in temperatures ranging from -20°F to 250°F (-29°C to 121°C).\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"technical-specifications\"\u003e\n  \u003ch3 style=\"border-bottom: 2px solid #eee; padding-bottom: 5px;\"\u003e3M 398FR Performance Data\u003c\/h3\u003e\n  \u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 15px;\"\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"background: #f9f9f9;\"\u003e\n        \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eTotal Thickness\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e7 mil (0.18 mm)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eBacking Material\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003eGlass Cloth\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background: #f9f9f9;\"\u003e\n        \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eTensile Strength\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e130 lb\/in (228 N\/cm)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003ePeel Adhesion (Steel)\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e38 oz\/in (4.2 N\/cm)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background: #f9f9f9;\"\u003e\n        \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eDielectric Strength\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e3.8 kV\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e\u003cstrong\u003eShelf Life\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px; border: 1px solid #ddd;\"\u003e24 months\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"product-faq\"\u003e\n  \u003ch2 style=\"color: #c00000; font-size: 20px; margin-top: 30px;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n  \n  \u003cdiv class=\"faq-item\" style=\"margin-bottom: 15px;\"\u003e\n    \u003cp\u003e\u003cstrong style=\"color: #c00000;\"\u003eWhat aerospace applications require 3M 398FR?\u003c\/strong\u003e\u003cbr\u003e\n    It is specifically designed for aircraft cargo bay panel sealing, thermal and acoustic insulation installation, window duct sealing, and wire harness protection in aerospace interiors.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"faq-item\" style=\"margin-bottom: 15px;\"\u003e\n    \u003cp\u003e\u003cstrong style=\"color: #c00000;\"\u003eIs 3M 398FR qualified for Boeing aircraft?\u003c\/strong\u003e\u003cbr\u003e\n    Yes, 3M 398FR is engineered to meet Boeing BMS 5-146 qualification standards, ensuring compliance for aircraft production and maintenance.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"faq-item\"\u003e\n    \u003cp\u003e\u003cstrong style=\"color: #c00000;\"\u003eCan this tape withstand aircraft vibrations?\u003c\/strong\u003e\u003cbr\u003e\n    Absolutely. The high-adhesion acrylic adhesive system is formulated to maintain a permanent seal and secure hold despite constant vibration and temperature fluctuations.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/section\u003e\n\n\u003csection class=\"installation-guidance\" style=\"background: #f4f4f4; padding: 15px; margin-top: 20px; border-radius: 5px;\"\u003e\n  \u003ch3 style=\"margin-top: 0;\"\u003eApplication \u0026amp; Handling Guidance\u003c\/h3\u003e\n  \u003cp\u003eFor optimal bonding, apply to surfaces that are clean, dry, and free of contaminants. Remove the protective liner and apply firm pressure to ensure maximum adhesive wet-out. 3M 398FR is available in multiple widths to support specific OEM layouts and MRO sealing requirements.\u003c\/p\u003e\n\u003c\/section\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\/\",\n  \"@type\": \"Product\",\n  \"name\": \"3M 398FR Flame Retardant Glass Cloth Tape\",\n  \"description\": \"7-mil flame-retardant aerospace tape qualified to Boeing BMS 5-146 and FAR 25.853 for cargo bay sealing and MRO.\",\n  \"brand\": {\n    \"@type\": \"Brand\",\n    \"name\": \"3M\"\n  },\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"url\": \"https:\/\/customtapes.com\/products\/3m-398fr-glass-cloth-tape\",\n    \"priceCurrency\": \"USD\",\n    \"availability\": \"https:\/\/schema.org\/InStock\",\n    \"itemCondition\": \"https:\/\/schema.org\/NewCondition\"\n  },\n  \"additionalProperty\": [\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Specification\",\n      \"value\": \"Boeing BMS 5-146\"\n    },\n    {\n      \"@type\": \"PropertyValue\",\n      \"name\": \"Compliance\",\n      \"value\": \"FAR 25.853\"\n    }\n  ]\n}\n\u003c\/script\u003e","brand":"3M","offers":[{"title":"2\" x 36yds","offer_id":49899993759990,"sku":null,"price":72.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0518\/6538\/7192\/files\/3M_398FR_Glass_Cloth_Tape.png?v=1770074817","url":"https:\/\/customtapes.com\/products\/3m-398fr-glass-cloth-tape-bms-5-146","provider":"Custom Tapes","version":"1.0","type":"link"}