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Surface Preparation

Permabond 2K Primer and Adhesion Promoter

Permabond 2K Primer is a dual-purpose product, which indicates whether or not sufficient surface preparation has been carried out and contains an adhesion promoter to increase bond strength.  It is ideal for preparing metal, glass, plastic, and composites for bonding.  When bonding metal, it offers the added advantage of protecting bonded components against corrosion, w...

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Aluminum Adhesives – How to bond aluminum with Permabond Adhesives

Permabond is a global company and you will see both British and American spellings of words throughout this site.  For the most part, my colleagues in the UK are very accepting of American spellings -  until it comes to the word aluminum!  In the interest of global peace I’ll use both spellings.  Whether you call it aluminum adhesive or aluminium glue, Permabond has...

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Best practices for bonding low surface energy plastics.

Bonding low surface energy plastics can be challenging. Many plastics 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 point of lubricating, scratch resistant, and chemically resistant.  Well, there you have it in a nutshell – all the reasons that make polyolef...

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What are anaerobic surface conditioners?

Permabond Anaerobic Surface Conditioner - FAQs What are anaerobic activators or anaerobic surface conditioners? Permabond Anaerobic Surface Conditioner (Permabond ASC10) is a fast drying activator for Permabond anaerobic adhesives and sealants.  Permabond ASC 10 contains a solvent that is not ozone-depleting. Evaporation of this non-halogenated solvent leaves a th...

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Comparing Flame, Corona and Plasma Treatment

Why pretreat? Certain plastic substrate materials have a low surface energy which give them a non-stick nature. Typical “offenders” are common plastics such as polypropylene, polyethylene, PTFE (Teflon) plus also some rubbers such as EPDM and Santoprene.  If you wish to bond these materials with industrial adhesive you may have trouble unless: You flame, c...

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Bonding SAN (Styrene-Acrylonitrile)

What is SAN? SAN is a type of plastic material based on styrene chemistry. It is similar to polystyrene but has improved temperature performance, chemical resistance and toughness. It is sometimes blended with other plastics such as ABS. It can also contain fillers such as glass fibre to help strengthen it but in its normal state it is fairly brittle. Luran® SAN and Lus...

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Bonding PTFE with Industrial Adhesive

PTFE, commonly known by the trade name Teflon or by the techies amongst us “Polytetrafluoroethylene” is a notoriously difficult material to bond as it is “Non-Stick” by nature. The most common application would be that of non-stick frying pan coating. Consequently when someone calls the helpline asking for a PTFE adhesive, the technical advisor’s should...

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Glass bonding – Troubleshooting

When Glass Bonding Goes Wrong… Adhesive won’t stick, it is coming clean off the glass: Check surface preparation Joint design – if you have a butt joint this can be problematic as this introduces peel or cleavage stress into the joint. Try to redesign the joint to minimize the peel stress.  You can also build up a fillet or meniscus of adhesive around the ...

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How to Prepare & Bond Glass with Industrial Adhesive

Glass is a common material and found in various applications – from windows and doors to glass staircases, balconies and other architectural products. On a smaller scale, items such as kitchenware, artwork, jewellery and lenses also make use of this versatile, clear material. There are many benefits of bonding glass with industrial adhesives: Many adhesives are ...

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Tips for Bonding EPDM Rubber with Industrial Adhesive

What is EPDM rubber? EPDM (ethylene propylene diene monomer) rubber is a type of synthetic rubber elastomer. It has excellent heat and chemical resistance and because of that its use is widespread – particularly in the automotive industry.  It is normally black, non-tacky and often has a slightly dusty feel about it. Where is EPDM rubber used? Automotive door seals and...

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