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Permabond Terms Glossary

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A

Accelerator, Activator – Terms used to describe the materials which initiate the polymerization needed to cure anaerobic, cyanoacrylate and modified acrylic adhesives.  At Permabond we use the term INITIATOR for the products used to cure surface activated acrylics.

Accelerator – Examples of Permabond accelerators for cyanoacrylate include QFS16 and CSA-NF.

Activator – Activators used with Anaerobics often called Anaerobic Surface Conditioners are used to accelerate cure on passive metals or allow cure with non-metallic surfaces.  They are also used to increase the maximum gap the anaerobic adhesive or sealant will cure through.

Acrylic Adhesive -Acrylic adhesives are adhesives that are made of acrylic or methacrylic polymers.The most common types of acrylic adhesives are two-component acrylic adhesives and no mix surface activated acrylic adhesives. Both are structural adhesives.

Acrylic Glue – Acrylic glue is a casual term for acrylic adhesive which are adhesives that are made of acrylic or methacrylic polymers.  The most common types of acrylic adhesives are two-component acrylic adhesives and no mix surface activated acrylic adhesives. Both are structural adhesives.

Adherend (or Substrate) – Material which is being joined or bonded.

Adhesion Chemistry – The science and study of the state in which two components join by either interlocking action or intermolecular forces at the adhesion junction.

Adhesive – Substance for bonding, sticking or holding things together.

Adhesive, Acrylic – Acrylic adhesives are adhesives that are made of acrylic or methacrylic polymers. The most common types of acrylic adhesives are two-component acrylic adhesives and no mix surface activated acrylic adhesives. Both are structural adhesives.  They offer fast fixture, cure at room temperature, and form strong bonds to many materials including glass, metal, plastics, and composites.

Adhesive, Anaerobic – An adhesive which only cures when air is excluded, and metal ions are present, and metal ions are present.  Uses include threadlockers, retaining compounds, form in place gaskets, and thread sealants.

Adhesive, Cyanoacrylate – Group of adhesives which show “instant” cure properties and bond to a wide variety of substrates. Cure is by contact with alkaline materials. Weakly alkaline materials, such as water, cause the cure to start. Cyanoacrylate adhesives are commonly referred to as super glue, instant adhesive, crazy glue, loca glue or ca glue.

Aging, Heat – Artificial “aging” of adhesive by exposing to elevated temperatures for long periods.

Ambient Conditions – Temperature, humidity, sunlight, etc. which exist in the area surrounding the bond, normally room temperature, atmospheric pressure, daylight, etc.

Anaerobic Adhesive – An adhesive which only cures when air is excluded.

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B

Bead on Bead Acrylic Adhesive– Bead on Bead acrylic adhesives are two-component acrylic adhesives which are not mixed via a static mix nozzle but applied as a bead of part A followed by a bead of part B on top of the bead of part A.  Sufficient mixing occurs when the components are assembled to initiate cure.  Bead on Bead acrylic adhesive provides fast fixture and cure at room temperature.

Bond– Interface of the adhesive and the substrate.

Breakaway Torque – Measure of force needed to initiate movement of an unseated fastener in a loosening direction.

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Blogs recientes

30May
How to bond acrylic to stainless steel

Bonding acrylic to stainless steel can be accomplished with a variety of different adhesive types including UV curable, structural adhesive and cyanoacrylate.  Each type has its own characteristics.  UV Curable Permabond UV632 was dev...

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03Apr
Permabond’s Structural Epoxy Adhesives for Stainless Steel

Permabond launches high strength structural adhesives for tarnish free bonding of stainless steel. Available in convenient 1:1 dual cartridges, once mixed via static mixer nozzle, these adhesives achieve full cure at room temperature (...

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18Mar
How To Bond Plastic To Metal

There are metal adhesives and plastic adhesives but what to do when you want to bond plastic to metal? There are metal adhesives that bond some plastics and plastic adhesives that bond some metals. The specific substrates, as well as the surf...

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13Mar
Permabond at JEC World Paris

Day 2 of JEC World Paris. Permabond is in the UK pavilion in hall 6, stand S50, and is busy helping to find bonding solutions for a diverse range of composites applications (honeycomb panels, carbon fibre automotive components, marine app...

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04Mar
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, ...

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13Feb
Join Permabond at Design 2 Part in Grapevine TX

Join Permabond March 13th and 14th at the Design-2-Part Manufacturing Show at the Gaylord Texan Convention Center. Register here and visit Permabond in booth number  223.  

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05Feb
Permabond returns to Southern Manufacturing & Electronics, Farnborough

Off to a busy start at Southern Manufacturing & Electronics! Visit us on A165 right by the entrance to find out how to maximise your adhesive's performance with Permabond 2K Primer, bond polypropylene/polyethylene WITHOUT surface prep...

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21Jan
Metal Bonding Acrylic Adhesives

Metal Bonding Acrylic Adhesives Epoxies, Cyanoacrylates, and several other technologies provide excellent adhesion to metals.  Acrylic metal bonding adhesives are often chosen not only for the strong bonds to metals but also for the varie...

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08Jan
Join Permabond at Expo Manufactura

Join Permabond® Engineering Adhesives at Expo Manufactura February 5th through the 7th from 1:00 p.m. to 8:00 p.m. at Cintermex in Monterrey, N.L. Mexico Register here and visit Permabond in booth number 929! Únase a Permabond® Adhes...

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10Dec
Blue Center Innovation Technologies

Blue Center Innovation Technologies – Permabond’s new state of the art development, technical service & QC laboratories Misinto, Italy - 28th November 2018 Permabond has a history of developing and manufacturing engineering ...

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24Nov
Industrial adhesives Vs Consumer adhesives

What are industrial adhesives? How do they differ from consumer adhesives?  Strictly speaking, industrial adhesives are adhesives that are labeled for industrial use.  Various local and global bodies require industrial adhesives to include...

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23Oct
5-minute epoxy – more than the name implies

Recently I received a call for a 5-minute epoxy. In general terms, 5-minute epoxy is used to refer to two-component epoxy that start to set up in around 5 minutes.  But they are not all alike.  Epoxies can vary in viscosity, mix ratio, colo...

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16Oct
Pipe Size Diameter and Thread Sealant Use

Permabond LH050 general purpose anaerobic pipe sealant is for use on metal pipe.   Permabond LH050  is classified by Underwriters Laboratories Inc.® for use in devices handling gasoline, petroleum oils, and natural gas (pressure not over ...

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01Oct
Plastic Threadlockers

Threadlockers fill the space between the threads which prevents vibration loosening.    Anaerobic threadlockers are used for metal fasteners; they should not be used on plastics as metal ions are required to cure the material, and they can...

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16Sep
Industrial Adhesives for Dissimilar Substrates

Bonding Dissimilar Substrates It goes without saying that if you are bonding plastics use a plastic adhesive and if your bonding metal, an adhesive for metal.  It gets more complicated when you want to choose industrial adhesives to join di...

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11Sep
Efficient scale up – Adhesive processes

One of the questions our tech team asks engineers seeking an adhesive recommendation is “How many assemblies will you be manufacturing?”  Although from a business perspective this is nice information to have; it is critical information t...

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