Weicon Easy-Mix PU-240 Polyurethane Adhesive 50 ml is a two-component, polyurethane-based industrial adhesive system developed for high-strength joints. Its very short working time and high-viscosity structure support controlled application in jobs that require fast assembly. The fact that it can be sanded after curing and can be painted over after about 30 minutes helps simplify process sequencing in production and maintenance. The product is manufactured by WEICON, and the manufacturer\u2019s headquarters are stated to be in Germany.<\/p>\n
PU-240 structural polyurethane industrial adhesive: product definition
This industrial adhesive is positioned to achieve high tensile, shear, and peel strength in assemblies exposed to dynamic loads. Its black color makes it easier to visually track and control the application bead. The emphasis on resistance to weathering and chemicals provides flexibility for both indoor\/outdoor assembly and field maintenance use. Its high-viscosity character reduces the risk of run-off and squeeze-out\u2014especially on vertical surfaces\u2014supporting cleaner workmanship.<\/p>\n
Technical structure and PU-240 performance parameters
The system is two-component with a 1:1 mixing ratio by weight; this makes correct dosing before application critical. A pot life of about 240 seconds at 20 \u00b0C requires disciplined fast work and completing preparation before application. Handling strength is defined at around 10 minutes, working strength at around 30 minutes, and final strength at around 12 hours, which helps clarify fixturing and loading plans. Since gap-bridging capability is given in the range of about 0.1\u20134 mm, it should not be considered a filler for very large gaps. Temperature resistance is stated as -55 \u00b0C to +125 \u00b0C, and the cured Shore D hardness is given as 68, supporting a target of a rigid and durable bond line.<\/p>\n
Application method and surface preparation
The best results with this industrial adhesive are achieved when surfaces are clean, dry, and free of oil; degreasing with a suitable surface cleaner is recommended. If higher adhesion is required, mechanical roughening such as grit blasting or sanding can strengthen adhesion. It should be considered that some low surface energy plastics (especially PTFE and polyolefins) may require special surface pre-treatment; process design becomes important for such substrates. During application, joining the parts quickly and fixing the position correctly is a critical control point due to the short pot life. If sanding and painting are planned, being able to proceed after about 30 minutes speeds up post-assembly workflow.<\/p>\n
Process tips during curing
Avoiding early loading while curing progresses helps the final strength develop more stably. Maintaining the targeted bond-gap range is important for both strength and repeatability. Because lower ambient temperature can slow curing, temperature control in serial production or field assembly directly affects quality. Since deviations in mix ratio or insufficient mixing can reduce performance, correct use of the cartridge and static mixer tips should be a basic discipline.<\/p>\n
Compatible substrates and sector use areas
PU-240 is positioned for bonding composites, many plastics, polyurethane-, epoxy-, and polyester-based parts, metals, wood, and ceramics either to each other or within the same material type. It can be used in plastics technology, machine manufacturing, model and mold making, and metal construction for assemblies requiring fast and durable bonding. In boat\/yacht building and vehicle manufacturing, it offers an industrial adhesive alternative for joints exposed to vibration and environmental effects. In exhibition\/stand and similar assembly work, the short process window supports rapid serial application. With proper surface preparation, its multi-substrate compatibility can simplify process management in designs where different materials are used together.<\/p>\n","protected":false},"excerpt":{"rendered":"
This product is a two-component, polyurethane-based industrial adhesive designed for applications that require fast assembly. It is used for structural bonding in machine manufacturing, composite\/plastic assembly, and maintenance\/repair. It allows controlled application, builds strength quickly, and can be sanded and painted after curing.<\/p>\n","protected":false},"featured_media":4127,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[326],"product_cat":[294,290],"product_tag":[],"class_list":["post-4046","product","type-product","status-publish","has-post-thumbnail","product_brand-weicon","product_cat-polyurethane-based-adhesives","product_cat-two-component-adhesives","first","instock","product-type-simple"],"_links":{"self":[{"href":"https:\/\/utmteknik.com\/en\/wp-json\/wp\/v2\/product\/4046","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/utmteknik.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/utmteknik.com\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/utmteknik.com\/en\/wp-json\/wp\/v2\/comments?post=4046"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/utmteknik.com\/en\/wp-json\/wp\/v2\/media\/4127"}],"wp:attachment":[{"href":"https:\/\/utmteknik.com\/en\/wp-json\/wp\/v2\/media?parent=4046"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/utmteknik.com\/en\/wp-json\/wp\/v2\/product_brand?post=4046"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/utmteknik.com\/en\/wp-json\/wp\/v2\/product_cat?post=4046"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/utmteknik.com\/en\/wp-json\/wp\/v2\/product_tag?post=4046"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}