{"id":7112,"date":"2025-12-15T14:29:33","date_gmt":"2025-12-15T12:29:33","guid":{"rendered":"https:\/\/forcitexplosives.fi\/?post_type=blogs&#038;p=7112"},"modified":"2026-01-20T13:28:44","modified_gmt":"2026-01-20T11:28:44","slug":"dagens-matvarde-fordyn-vs-kemix-a-i-vattenfyllt-borrhal-ruutiset-1-2025","status":"publish","type":"blogs","link":"https:\/\/forcitexplosives.fi\/sv\/blogs\/dagens-matvarde-fordyn-vs-kemix-a-i-vattenfyllt-borrhal-ruutiset-1-2025\/","title":{"rendered":"DAGENS M\u00c4TV\u00c4RDE: FORDYN VS. KEMIX A I VATTENFYLLT BORRH\u00c5L (RUUTISET 1\/2025)"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"alignright size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/forcitexplosives.fi\/wp-content\/uploads\/sites\/9\/2025\/11\/Kemix-A-75ppi_RGB_web-1024x768.jpg\" alt=\"\" class=\"wp-image-7002\" style=\"width:auto;height:400px\" srcset=\"https:\/\/forcitexplosives.fi\/wp-content\/uploads\/sites\/9\/2025\/11\/Kemix-A-75ppi_RGB_web-1024x768.jpg 1024w, https:\/\/forcitexplosives.fi\/wp-content\/uploads\/sites\/9\/2025\/11\/Kemix-A-75ppi_RGB_web-300x225.jpg 300w, https:\/\/forcitexplosives.fi\/wp-content\/uploads\/sites\/9\/2025\/11\/Kemix-A-75ppi_RGB_web-768x576.jpg 768w, https:\/\/forcitexplosives.fi\/wp-content\/uploads\/sites\/9\/2025\/11\/Kemix-A-75ppi_RGB_web.jpg 1476w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure><\/div>\n\n\n<p>Det \u00e4r v\u00e4lk\u00e4nt att emulsionsspr\u00e4ng\u00e4mnespatroner, s\u00e5som Kemix A, sjunker l\u00e5ngsammare i vattenfyllda borrh\u00e5l \u00e4n exempelvis Fordyn-dynamit. F\u00f6rklaringen \u00e4r enkel: Kemix har en l\u00e4gre densitet \u00e4n Fordyn (1,15\u20131,20 kg\/m\u00b3 j\u00e4mf\u00f6rt med 1,45\u20131,55 kg\/m\u00b3).<\/p>\n\n\n\n<p>Tillsammans med produktutvecklingsteamet ville vi unders\u00f6ka vad detta inneb\u00e4r i praktiken. F\u00f6r studien byggde vi en testuppst\u00e4llning best\u00e5ende av ett \u00d8110 mm PVC-r\u00f6r, en timer och vatten. R\u00f6ret fylldes med vatten, och vi m\u00e4tte hur l\u00e5ng tid det tog f\u00f6r spr\u00e4ng\u00e4mnespatronen att sjunka till botten i v\u00e5r \u201dborrh\u00e5lssimulator\u201d.<\/p>\n\n\n\n<p>M\u00e4tningarna gjordes med \u00d850 mm Fordyn- och Kemix A-patroner. Detoneringssladden simulerades med en f\u00f6rl\u00e4ngningssladd.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>PATRON<\/strong><\/td><td><strong>SJUNKHASTIGHET<\/strong><\/td><\/tr><tr><td>FORDYN<\/td><td>1,34 m\/s<\/td><\/tr><tr><td>KEMIX A<\/td><td>0,96 m\/s<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Resultaten blev som f\u00f6rv\u00e4ntat \u2013 Fordyn sj\u00f6nk snabbare \u00e4n Kemix. Noggrannheten i m\u00e4tningen \u00e4r cirka \u00b15 %.<\/p>\n\n\n\n<p>I praktiken inneb\u00e4r detta att p\u00e5 ett spr\u00e4ngningsf\u00e4lt med 1000 meter vattenfyllda borrh\u00e5l tar det ungef\u00e4r fem minuter l\u00e4ngre f\u00f6r en Kemix-anv\u00e4ndare att placera patronerna p\u00e5 botten j\u00e4mf\u00f6rt med en Fordyn-anv\u00e4ndare.<\/p>\n","protected":false},"featured_media":7054,"menu_order":0,"template":"","categories":[529],"class_list":["post-7112","blogs","type-blogs","status-publish","has-post-thumbnail","hentry","category-okategoriserad"],"acf":[],"_links":{"self":[{"href":"https:\/\/forcitexplosives.fi\/sv\/wp-json\/wp\/v2\/blogs\/7112"}],"collection":[{"href":"https:\/\/forcitexplosives.fi\/sv\/wp-json\/wp\/v2\/blogs"}],"about":[{"href":"https:\/\/forcitexplosives.fi\/sv\/wp-json\/wp\/v2\/types\/blogs"}],"version-history":[{"count":0,"href":"https:\/\/forcitexplosives.fi\/sv\/wp-json\/wp\/v2\/blogs\/7112\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/forcitexplosives.fi\/sv\/wp-json\/wp\/v2\/media\/7054"}],"wp:attachment":[{"href":"https:\/\/forcitexplosives.fi\/sv\/wp-json\/wp\/v2\/media?parent=7112"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/forcitexplosives.fi\/sv\/wp-json\/wp\/v2\/categories?post=7112"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}