In so doing, companies are literally taking several steps backward just to keep their production moving. However, in many respects they often require going back to the “old” way of doing things, like pulling out the caulk gun and cartridge of liquid sealant. As we discussed in our previous article, there are several alternatives which may be used as replacements. Having these tapes abruptly cancelled has created a challenge for manufacturers who chose Extreme Sealing Tapes to improve their product and processes. Typically manufacturing companies moved to the Extreme Sealing Tapes to speed production, to eliminate adhesive mess, and to provide a clean and durable look with outstanding sealing performance.įor more in depth detail on Extreme Sealing Tapes performance, please review the technical data page. The backing itself has stabilizers that provide long term UV resistance, in addition to the excellent UV resistance inherent in the acrylic foam adhesive. The durable 0.004” ionomer backing maintains the acrylic foam conformability and is resistant to abrasion and puncture resist puncture or tearing. The EST construction leverages the sealing and long-term outdoor aging properties of 3M VHB acrylic foam technology with its 0.036” thick acrylic foam adhesive. The convenience of these tape enables fast assembly and a clean application. It typically replaces the use of liquid sealants. The most common use is for exterior sealing applications in commercial vehicles, construction vehicles, agricultural vehicles, and recreational vehicles. Events since that time have led to their cancellation.Įxtreme Sealing Tape is a 3M innovation developed to improve the process of sealing seams, rivets, bolt holes, and other gaps for exterior enclosures. As we discussed in our last article, the Extreme Sealing Tapes (ESTs), 4411B 4411G 4411N 4412N 4412G, were placed on Forced Majeure in late November 2021 by 3M. If there is a 3M product that you require which is not on our website, please call for current information on pricing and lead times.If you are an avid user of 3M’s Extreme Sealing Tape (EST), you probably know the products you specified and use are no longer commercially available. As a 3M™ approved distributor for over 50 years, William Hayes Ltd has the knowledge and experience to assist with any product enquiry. The flexibility of many 3M™ adhesives and tapes compensates for differences in the coefficients of expansion between such materials as aluminium and wood.ģM™ offer a wide range of adhesive and tape products that enable customers to design the perfect engineering solution. Elimination of holes in metal also reduces the chances for rust and corrosion. With uniform stress distribution of adhesives and tapes, lighter, thinner materials can be used without concerns about distortion, splitting, or crazing at the mechanically fastened site. A rivet or screw hole in the substrate concentrates stress at the hole and can decrease physical properties of the substrate. Adhesives distribute stress evenly over the entire bonded area. The list of potential substrates ranges from glass, wood, cardboard, and rubber to steel, concrete, foam, polycarbonate, and just about any other material you can name. But with 3M™ adhesive and tape technologies, even many materials once defined as “hard-to-bond,” such as low surface energy plastics, can be bonded with strength greater than the materials being bonded. Some materials are harder to bond than others.
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