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How to prevent stress cracking

  What is stress cracking? When force is applied to plastic, it travels along the polymer chains causing molecules to strain to remain in contact.  The polymer chains eventually creep toward the pull and deform.  This stage is called creep.  With force and time, crazing or stress cracking occurs.  Adding chemicals or temperature can speed … Continue reading “How to prevent stress cracking”

COMING UP! National Fire Sprinkler Association Expo

Don’t miss Permabond at the 2017 NFSA expo in Las Vegas. Dates for the diary are May 4th – 5th 2017 and you can pre-register here. We hope to see you there! Permabond offers a range of threadsealants suitable for sealing sprinkler pipework. To download our latest brochure, please click on this link.

Adhesives for Die Attach for electronics

Adhesives offer a convenient method of attaching electronic dies, semiconductors or silicon wafers to electronic circuitry. Key properties which make adhesives attractive for this type of application include: -Thermal management – adhesive can transfer and dissipate heat effectively, thermally conductive adhesive are desirable -Electronically insulative with high dielectric strength – this helps prevent transfer of … Continue reading “Adhesives for Die Attach for electronics”

What is a food safe epoxy? Do they contain bisphenol A?

What is bisphenol A? Bisphenol A is an organic synthetic compound used in formulating plastics and epoxy resin.  The chemical formula is (CH3)2C(C6H4OH)2.  In order to formulate an epoxy adhesive, one must have either bisphenol A or bisphenol F.  Bisphenol A (BPA) is generally preferred for its curing properties. What is a food safe epoxy? … Continue reading “What is a food safe epoxy? Do they contain bisphenol A?”

COMING UP! Permabond will be at the Southern Manufacturing Show

Come and visit us at stand M1, right by the entrance, to find out more about our new developments in engineering adhesives and let Permabond help you find a solution for your adhesive application.  The exhibition will take place from 21st to 23rd March at FIVE in Farnborough, Hampshire, UK. We hope to see you there!

Four benefits of using adhesives for sealing heat exchangers.

Heat exchanger tubes and endplates are traditionally sealed by welding, brazing, or soldering. There are adhesives available which can be used for sealing heat exchangers in place of welding processes. Here are some major benefits of switching to adhesive sealing: 1. Cost savings Welding and brazing is a skilled occupation and generally commands a higher … Continue reading “Four benefits of using adhesives for sealing heat exchangers.”

10 Ways to reduce adhesive mess

Even experienced adhesive-handlers end up in a pickle sometimes when using adhesives so here are some top tips to get the best-finished appearance for your bonded assembly – as well as reduce processing time. In the same way as when you paint something, consider using masking tape to mask off areas you want to be … Continue reading “10 Ways to reduce adhesive mess”

Best practices for bonding low surface energy plastics.

When choosing a plastic adhesive, it can be challenging to find the strongest adhesive.  There are many types of plastic.  Each type has it’s own strengths and weaknesses.  Many are easy to bond; others, like polyolefins, can be difficult.  Think of the reasons design engineers want to use polyolefin plastics:  they are slick to the … Continue reading “Best practices for bonding low surface energy plastics.”

COMING UP! Design 2Part Texas

Join Permabond in booth #221, February 22 & 23rd at the Gaylord Texan Convention Center,  in Grapevine, Texas to discuss all of your adhesive and sealant needs including bonding difficult plastics like polyolefin.  Permabond will be showcasing our new line of polyolefin bonders.  Technical specialists will be available make product recommendations or discuss custom formulation … Continue reading “COMING UP! Design 2Part Texas”

Why adhesive are used throughout power tools

Power tools and adhesives – the perfect match.  Because power tool manufacturers face many challenges in building strong, reliable tools that can withstand the elements and the operators, it is no wonder they are continually in search of the strongest adhesive.  The use of adhesives in place of other joining methods solves many of those … Continue reading “Why adhesive are used throughout power tools”