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Category Archives: Advanced Materials

UV Lamp Comparisons for UV adhesive cure

Many adhesive users are hesitant to use UV-cure adhesives due to the requirement to invest in a UV lamp. The expenditure can be off-putting – particularly if the assembly is still in the prototype stage. UV lamps can be bought for only a few dollars all the way up to several thousand dollars and needn’t be purpose built for curing UV adhesives – we have seen cust...

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Optimize Your Motor Magnet Assembly Process

Optimize Your Motor Magnet Assembly Process Magnet bonding is found in motors, speakers, microphones, computer storage, and auxiliary power generators to maximize the assembly performance.  The adhesive bonds the entire surface of the magnet distributing stress.  Old style clips concentrated stress on a small area of brittle magnet. Bonding also prevents noise and c...

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Adhesives for jewelry and gemstone bonding and coating

Compared to bonding automotive or aircraft components, you would think a jewelry bonding application would be a walk in the park – surprisingly this isn’t always the case.  Think about the wear and tear a ring would have – in and out of hot soapy washing up water or a set of earrings getting a regular shampooing.  Bond areas are tiny - with the glue line exposed t...

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Tech Tips – Bonding Dissimilar Materials with Industrial Adhesives

Using industrial adhesive is an ideal method of bonding dissimilar materials e.g. metal to plastic. Joining techniques (such as welding, brazing, solvent welding, friction welding etc.) are all quite fussy and dictate that you can only join similar materials (e.g. metal to metal or plastic to plastic).  Adhesives are far less dictatorial and let you bond a whole multitud...

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What is Tg (Glass Transition Temperature)?

Time to exercise the old grey matter! Permabond’s technical advisors and development chemists are often asked by customers for data regarding Tg (glass transition temperature) measurements of our engineering adhesive materials. What is Tg, how is it measured? Glass Transition Temperature (Tg) is the point at which a material alters state – going from a glass-like ri...

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Bonding composites with industrial adhesives

Why are there so many adhesives to choose from? Because there are so many types of composites and the composite materials themselves are used in a variety of applications which involve different requirements there are many different means of bonding them. Following are some of the adhesive types used. Methyl Methacrylates offer very high bond strength to composit...

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Bonding Acetal with Adhesive

  Bonding Acetal for Maximum Strength Acetal is a popular thermoplastic, its use spans a number of industries. This plastic is fairly low cost and has good structural properties – it is often used instead of metal. It is very high strength, with good impact resistance, low rate of water-absorption, good chemical resistance (even against solvents), high dielec...

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Cardiff Racing Update

Cardiff Racing Formula Student Team  had a fantastic year with their CR10 car – coming top team in the UK event without an aerodynamics package. So as the CR10 car retires, CR11 is being engineered with particular investment in CFD (computational fluid dynamics) and trialling of diffusers and wing designs. Permabond proudly continues to support the Student Team wi...

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Thermally Conductive Adhesives

There is a wide range of uses for thermally conductive adhesives within the electronics industry. The main applications include bonding SMDs (Surface Mount Devices) to PCBs (Printed Circuit Boards), bonding heatsinks for dissipating heat from circuit boards or other components, potting and encapsulating parts (including PCBs, transformers and coils). There are also appli...

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Protective and Decorative Dome Coating

Dome coating is often associated with decorative, novelty items such as pens, lapel pins, name plates and logo stickers.  The coating forms a protective layer over the items, but generally the main purpose is the glossy, raised appearance which can magnify the image below it.  In other applications the coating is primarily protective and the appearance is of less concer...

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