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Fastenings & adhesiVes
water resistant cyanoacrylate to change underwater bonding
GlueOnline has introduced a new addition to the Permabond range – 712 is a cyanoacrylate adhesive with low viscosity and excellent water resistance. This adhesive has successfully passed rigorous 85/85 automotive ageing tests and, once cured, exhibits exceptional underwater
resistance, performing well in hot and humid conditions. So why choose Permabond 712 for water resistant applications? • Water Resistance: This adhesive maintains 95% of its strength after 60˚C following 100 hours on mild steel, after immersion in water.
• Thermal Resistance: 712 also offers excellent thermal resistance. This substrate maintains 80% of its strength after 100 hours at 120˚C on mild steel, withstanding continuous exposure to this temperature and even enduring brief periods at 150˚C.
• Humidity & Moisture: Boasting great resistance to humidity and moisture, 90% of this adhesive’s strength is retained during 85/85 testing (85% relative humidity/85˚C).
• Strong Bonds: This cyanoacrylate adhesive forms strong bonds on various substrates including metals, plastics and rubbers. As many applications are underwater, its adhesion to rubber is particularly advantageous, with pipe seals, gaskets and valve seatings making use of this substrate. The adhesive boasts a rapid, room temperature cure, high bond strength,
and easy dispensing – either by hand or used with automatic dispensing equipment, facilitating a faster production process. Once cured, the adhesive is clear, colourless, discreet and solvent-free. In addition to this, the substrate has excellent chemical resistance to oils and automotive fluids. Permabond 712 is ideal for a range of applications, especially those
needing to withstand continuous water exposure, as well as automotive interiors, sports equipment, prosthetics and disability aids, and even household appliances.
Glueonline
www.glueonline.co.uk adhesives for medical applications
DELO Industrial Adhesives is planning to apply its advanced adhesives, miniaturisation and raw materials expertise to the development of medical technologies such as glucose monitoring patches, biosensors and microfluidics. It will also produce new medical-grade adhesives for specific applications and requirements. DELO has long partnered with some of the largest companies in
the semiconductor and consumer electronics industries. With its focus on medical electronics, the company sees a new opportunity to help customers forge innovations as it has in other sectors. One such innovation is lab-on-chip technology, which uses semiconductors to detect and monitor the development of diseases. DELO will be able to contribute here with its extensive knowledge in optoelectronics and miniaturisation. “We have cutting-edge adhesives with a sharply increasing number
of medical certifications for non-cytotoxic products,” said managing director Dr. Karl Bitzer. “For our future customers, we will also release more specialised medical-grade products and, more importantly, bring our semicon manufacturing, miniaturisation and equipment expertise to market, enabling and supporting our customers to develop astonishing new products, scaling up production and efficiently mass-manufacture them.”
delo industrial adhesives
www.delo-adhesives.com February 2024 desiGn solUtions 53
Products FIND the optImal aDhesIve
Intertronics’ structural adhesive selector guide is designed to help manufacturers discover the optimal adhesive for establishing robust structural bonds with metals, plastics and composite materials. It is tailored to the needs of industries such as automotive, aerospace, electronics, construction, medical, and consumer. The guide includes a full overview of five structural adhesive chemistries:
methyl methacrylate (MMA), epoxy, polyurethane, UV curing, and cyanoacrylate. It covers 28 materials and their properties, curing considerations, compatibility considerations, and more. The selector guide includes materials from brands including SCIGRIP,
Intertronics, Opti-tec, Dymax, and Born2Bond. Alongside information on chemistry and substrate suitability, it adds specific information on cure time, chemistry and bond strength, and explains the packaging each material is available in, be it twin-packs, cartridges, and/or bulk. Information is included on each material’s resistance to water/humidity, chemicals and heat, to indicate what environments it might be suitable for. “When choosing a structural adhesive, various factors will influence the
decision. Developing a specification will involve weighing up priorities and deciding on allowable compromises,” said Kevin Brownsill, head of technical: learning and development at Intertronics. “Selecting a material involves balancing the benefits with the trade-offs and coming to an informed decision. There are many factors to consider – adhesives applications are notoriously complex – but this guide is a helpful starting point.”
intertronics
www.intertronics.co.uk
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