{"id":1611,"date":"2015-07-23T00:28:13","date_gmt":"2015-07-23T00:28:13","guid":{"rendered":"https:\/\/permabond.com\/bonding-san-styreneacrylonitrile\/"},"modified":"2025-02-11T22:16:48","modified_gmt":"2025-02-11T22:16:48","slug":"bonding-san-styreneacrylonitrile","status":"publish","type":"post","link":"https:\/\/permabond.com\/es\/bonding-san-styreneacrylonitrile\/","title":{"rendered":"Bonding SAN (Styrene-Acrylonitrile)"},"content":{"rendered":"<h2>What is SAN?<\/h2>\n<p>SAN is a type of plastic material based on styrene chemistry. It is similar to polystyrene but has improved temperature performance, chemical resistance and toughness. SAN is sometimes blended with other plastics such as ABS. It can also contain fillers such as glass fibre to help strengthen it. But in its normal state it is fairly brittle. Luran\u00ae SAN and Lustran\u00ae SAN are popular tradenames.<\/p>\n<h2>Where is SAN used?<\/h2>\n<p>Common applications include food processor bowls, salad crispers in refrigerators, disposable medical devices and viewing window on meters to name a few. It has high optical clarity but is also available as opaque\/ coloured material.<\/p>\n<h2>Surface preparation and adhesive selection to bond SAN<\/h2>\n<p>SAN is normally easy to bond with industrial adhesive in its \u201cas received\u201d condition. In fact, using cleaners, solvents or primers can be detrimental \u2013 the substrate can become weakened or stress cracked. For this reason, it is a good idea to select an adhesive that cures rapidly to minimise risk of uncured adhesive attacking the SAN. How to bond SAN?<\/p>\n<p><a href=\"https:\/\/permabond.com\/products\/uv-glue-uv-adhesive\/\">UV cure adhesives<\/a> are ideal as they give excellent optical clarity and cure fully in seconds on exposure to UV light. Opt for a clear grade with longer wavelength photoinitiators.\u00a0 This will allow the adhesive to cure even if the SAN is UV stabilised.<\/p>\n<p><a href=\"https:\/\/permabond.com\/products\/epoxies-two-part-epoxy-adhesives\/\">2-part epoxies <\/a>and <a href=\"https:\/\/permabond.com\/products\/polyurethane-adhesives\/\">2-part polyurethane<\/a> industrial adhesives are also options. Try to choose a fast curing grade to minimise risk of stress cracking. Make sure to mix the adhesive properly in the correct mix ratio. <a href=\"https:\/\/permabond.com\/products\/epoxies-single-part\/\">Single part heat cure epoxies<\/a> are probably unsuitable due to the high temperature cure (SAN softens at about 105\u00b0C so it would be advisable to cure at a lower temperature).<\/p>\n<p>Toughened, <a href=\"https:\/\/permabond.com\/products\/structural-acrylic-adhesives\/\">structural acrylic industrial adhesives<\/a> could be considered. But steer clear of the no-mix resin and brush on initiator systems as surplus initiator could attack the SAN. Ensure all adhesive reacts\/cures 100%. Use a system with a proper mixing nozzle (rather than bead-on-bead.) Crystal clear <a href=\"https:\/\/permabond.com\/products\/structural-acrylic-adhesives\/\">structural acrylic adhesives<\/a> would make a good choice for bonding SAN.<\/p>\n<p>Remove any surplus adhesive and allow the assembly to ventilate properly before bagging and sealing.<\/p>\n<p><i>Luran\u00ae SAN and Lustran\u00ae SAN tradenames of INEOS ABS (USA) CORP and INEOS-BASF.<\/i><\/p>\n","protected":false},"excerpt":{"rendered":"<p>What is SAN? SAN is a type of plastic material based on styrene chemistry. It is similar to polystyrene but has improved temperature performance, chemical resistance and toughness. SAN is sometimes blended with other plastics such as ABS. It can also contain fillers such as glass fibre to help strengthen it. But in its normal [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":1612,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[793,629],"tags":[168,185],"class_list":["post-1611","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-bonding-plastic-fr","category-material-specific-adhesives","tag-industrial-adhesive","tag-san"],"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>Prepare and bond SAN (Styrene-Acrylonitrile)<\/title>\n<meta name=\"description\" content=\"A discussion of surface preparation and selecting an industrial adhesive to bond SAN (Styrene-Acrylonitrile) plastic material which includes cautions on practices that may cause stress cracking,\" \/>\n<meta name=\"robots\" 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