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Category Archives: Surface Preparation

Bonding Polycarbonate with Industrial Adhesive

How to Prepare and Bond Polycarbonate Manufacturers using polycarbonate substrate materials often look to an adhesive for bonding or joining parts. Industrial adhesives offer a low-cost and convenient method of adhering parts, allowing flexibility of choice of substrate e.g. you can bond polycarbonate to other plastics, wood or metal where other bonding techniques such a...

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Bonding Acrylic with Industrial Adhesive

Acrylic or PMMA (poly methyl methacrylate) is a popular thermoplastic (most commonly referred to PlexiglasTM). It is often clear / transparent and is used for a wide variety of common everyday items such as display racks, menu stands, windows and skylights, signs, displays etc. It is a lightweight and easy to handle alternative to glass. Acrylic is a great substrate fo...

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Bonding Nylon/Polyamide with Industrial Adhesive

Polyamide (commonly called Nylon which is a DuPont tradename), is a thermoplastic material widely used in a number of applications across various industries.  Special blends are often available with features such as high lubricity, flexibility, and flame retardant properties.  Often, Nylon is glass-filled to give extra strength and stiffness properties.  It often has a...

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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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Surface Energy & Wetability

Surface Energy A “wetable” surface is one which is said to have “high surface energy,” liquid can be spread across the surface without the bunching of droplets. Low surface energy materials which do not “wet out” leave liquid droplets standing proud - imagine a freshly waxed car sprayed with water droplets - the drops bunch up at a steep angle to the paintwor...

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Instant Adhesive: Cyanoacrylate Bonding & Bond Accelerators

Consistently Curing Cyanoacrylate Adhesives Cyanoacrylates (also called CA, instant adhesive or super glue) are very reactive and require stabilizers to remain liquid.  They cure when the minute amount of moisture on the surface of the parts being bonded deactivate the stabilizers and allow the material to polymerize. More Cyanoacrylates Doesn’t Equal Stronger Bondi...

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NON-FLAMMABLE CYANOACRYLATE ACCELERATOR

  Traditional accelerators contain flammable solvents; Permabond® CSA-NF is non-flammable and eliminates shipping and safety concerns related to flammable solvents. Cyanoacrylate adhesives are single component adhesives that cure by reacting to small traces of moisture on the surface of the substrates being bonded.  Accelerators are used to speed the cure on ...

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Should the nuts and bolts be cleaned before using threadlocker MM115?

Permabond MM115 tolerates some oil on the nuts and bolts.  In most cases Permabond MM115 can be used on ‘as received’ nuts and bolts, but we recommend testing to be sure - particularly if nuts and bolts appear to be heavily contaminated. A couple of points to consider: Metal ions are needed for the MM115 threadlocker to cure, too much contamination on the com...

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The Importance of Surface Preparation

As any professional who works with adhesives knows, surface preparation is one of the most vital elements in achieving a high bond strength and optimising durability and lifespan of bonded joints. Different substrate materials will require different types of adhesives for bonding and different methods of surface preparation. Some surfaces may require nothing more than hav...

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