{"id":2899,"date":"2018-10-16T12:41:07","date_gmt":"2018-10-16T12:41:07","guid":{"rendered":"https:\/\/permabond.com\/thread-sealant\/"},"modified":"2025-12-31T19:04:24","modified_gmt":"2025-12-31T19:04:24","slug":"thread-sealant","status":"publish","type":"post","link":"https:\/\/permabond.com\/de\/thread-sealant\/","title":{"rendered":"Pipe Size Diameter and Pipe Sealant Use"},"content":{"rendered":"<p>Permabond LH050 general purpose anaerobic pipe sealant is for use on metal pipe. <a href=\"https:\/\/permabond.com\/tds\/lh050_tds-en\/?pdf=1\">Permabond LH050<\/a> \u00a0is classified by Underwriters Laboratories Inc.\u00ae for use in devices handling gasoline, petroleum oils, and natural gas (pressure not over 300 psig) not exceeding 2 in. pipe size; propane and butane not exceeding 1 in. pipe size.\u00a0 And it is classified by Underwriters Laboratories Inc.\u00ae for use in sprinkler system and water spray system piping not exceeding 2 in. pipe size containing air, nitrogen, water, propylene glycol or glycerol antifreeze solutions. That sounds a little confusing. So let\u2019s break that down\u2026<\/p>\n<ul>\n<li><em>If you require UL Classification and the piping is used for handling gasoline, petroleum oils, and natural gas, then 2 inches is the limit.\u00a0 <\/em><\/li>\n<li><em>Or, if you require UL Classification and the piping is used for propane and butane, then 1 inch is the limit.<\/em><\/li>\n<li><em>And lastly, if you require UL Classification and the piping contains air, nitrogen, water, propylene glycol, or glycerol antifreeze solutions, then 2 inches is the limit.<\/em><\/li>\n<\/ul>\n<p><em>\u00a0<\/em><\/p>\n<h4>What if I don\u2019t require UL Classification?<\/h4>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"size-medium wp-image-1584 alignleft\" src=\"https:\/\/permabond.com\/wp-content\/uploads\/2022\/11\/LH050-300x188.jpg\" alt=\"pipe sealant\" width=\"300\" height=\"188\" \/><\/p>\n<p>Permabond LH050 is not pipe dope; it is an anaerobic pipe sealant, that cures when confined between two metal surfaces.\u00a0 The maximum gap between those surfaces should not exceed 0.020\u201d (0.5mm) to achieve a fixture strength in 2 hours and full cure in 24 hours.\u00a0 The gap between threads on pipe work less than 2 inches in diameter is usually less than that.<\/p>\n<p>For 2-4 inch diameter pipe, Permabond recommends using <a href=\"https:\/\/permabond.com\/tds\/asc10_tds-en\/?pdf=1\">ASC10<\/a> to support curing through the gap.\u00a0 However, many of our customers prefer not to use the ASC10 and wait 72 hours to achieve cure.<\/p>\n<p>We have limited information on using Permabond LH050 and greater than 4-inch pipe.<\/p>\n<p>Directions for use according to pipe size.<\/p>\n<p>For pipes up to 1 \u00bd inch diameter. Apply Permabond LH050 onto the leading 3-4 threads half way around the male pipe.<\/p>\n<p>For larger pipes &#8211; Apply Permabond LH050 onto the leading 3-4 threads completely around the male pipe.\u00a0 Large pipes will take longer to cure. To speed cure, apply Permabond ASC10 to one or both surfaces, allow it to evaporate, then apply the Permabond LH050.\u00a0 DO NOT mix ASC10 with the anaerobic adhesive sealants.<\/p>\n<p>In both cases, inspect to ensure a bead of pipe sealant is visible around the circumference of the pipe. This ensures adequate sealant has been applied.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Permabond LH050 general purpose anaerobic pipe sealant is for use on metal pipe. Permabond LH050 \u00a0is classified by Underwriters Laboratories Inc.\u00ae for use in devices handling gasoline, petroleum oils, and natural gas (pressure not over 300 psig) not exceeding 2 in. pipe size; propane and butane not exceeding 1 in. pipe size.\u00a0 And it is [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":2094,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[614,615],"tags":[],"class_list":["post-2899","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-adhesive-types-2","category-anaerobic-adhesives"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Pipe Size Diameter and Pipe Sealant Use - Permabond<\/title>\n<meta name=\"description\" content=\"Learn Permabond LH050 pipe sealant application methods for various pipe diameters and understand UL statements.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/permabond.com\/de\/thread-sealant\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Pipe Size Diameter and Pipe Sealant Use\" \/>\n<meta property=\"og:description\" content=\"Learn Permabond LH050 pipe sealant application methods for various pipe diameters and understand UL statements.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/permabond.com\/de\/thread-sealant\/\" \/>\n<meta property=\"og:site_name\" content=\"Permabond\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/permabondEA\/\" \/>\n<meta property=\"article:published_time\" content=\"2018-10-16T12:41:07+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-12-31T19:04:24+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/permabond.local\/wp-content\/uploads\/2022\/11\/LH050.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"445\" \/>\n\t<meta property=\"og:image:height\" content=\"279\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Laurie Gibbons\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@PermabondEA\" \/>\n<meta name=\"twitter:site\" content=\"@PermabondEA\" \/>\n<meta name=\"twitter:label1\" content=\"Verfasst von\" \/>\n\t<meta name=\"twitter:data1\" content=\"Laurie Gibbons\" \/>\n\t<meta name=\"twitter:label2\" content=\"Gesch\u00e4tzte Lesezeit\" \/>\n\t<meta name=\"twitter:data2\" content=\"2\u00a0Minuten\" \/>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Pipe Size Diameter and Pipe Sealant Use - 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