Reactive adhesives set by means of chemical, physical, or catalytic processes, and depending on how the adhesives behaves they can have one or two compentents. They are generally used when a high level of strength is required. These reactive adhesives generally have two components (binder and hardener). Binders and hardeners are always packaged separately. If the two components come into contact with one another, a reaction begins that sets the glue, causing it to reach its final strength.
These adhesives react with air humidity, UV light, or oxygen. They are applied onto one of the surfaces to be glued. The reaction starts immediately as a result of the second reactive component in the atmosphere or on the surface to be glued.
These adhesives contain a non-active hardener. This keeps the adhesive from hardening while in its packaging under normal conditions. A reaction only begins when the hardener comes into contact with one of the comments mentioned.
These adhesives come in a liquid, paste or powder form, which must be mixed in the stated proportions. Once mixed the glue begins to set immediately. The glued joint must be fixed in place until fully dry. The setting time depends on the adhesive and the temperature of the room.
Contact adhesives are applied to both parts to be joined. After the flash-off time, which varies depending on the solvent, the parts to be joints are pressed together with a high level of force. The parts to be joined bond immediately. Loads can be applied to the workpiece after a short period of time.
How it Comes
Contact adhesives are liquid that come either as water or solvent. However, many contact adhesives available as solvent are toxic and flammable, but have the advantages of drying faster and offering a quick bonding process.
Contact adhesives are common in the woodworking industry, where they are used to bond laminate to other wood surfaces. They are also used to assemble building panels, countertops or furniture.
How it's applied
The contact adhesive must be applied to the two surfaces that have to be bonded. However, the contact adhesive must dry before it can be bonded. Some contact adhesives can take up to 24 hours to dry, but the bonding process is usually very fast. Usually, the bonding process can be performed within 30 minutes (in some cases even within an hour) after the adhesive has dried. A high level of accuracy is required as the bonding is permanent and repositioning is nearly impossible. As a result, the only way to separate two surfaces bonded with contact adhesive is by damaging one or the two of them.
Solvents can be defined as chemicals that are capable of dissolving, suspending, or extracting other substances, typically without causing changes in the chemical nature of either the solvent, or the materials being treated. Solvents can be both organic and nonorganic. When a solvent is organic, it contains carbon.
How it Comes
There are various types of solvents that have different physical and chemical properties. Meaning they can be used for different things, and can be found in different products.
Between household cleaning products, and industrialized manufacturing, solvents are a multi-purpose necessity. Solvents can ensure processes operate safely, and are a resourceful tool for operations across different industries.
Organic solvents are classified by their chemical structure. There are three main types, including:
- Hydrocarbon solvents: Aliphatic and aromatic hydrocarbons.
- Oxygenated solvents: Alcohols, aldehydes, ketones, glycol ethers, esters, and glycol ether esters.
- Halogenated solvents: Chlorinated and brominated hydrocarbons.
Weld-On Adhesives, Inc. is the pioneer and leading manufacturer of Weld-On solvent cements, primers and cleaners for PVC, CPVC, ABS and other plastic piping systems. Weld-On products are globally-recognized as the premium products for joining plastic pipes and fittings. Headquartered in California, Weld-On has state-of-the-art operations throughout the United States, as well as China, and a worldwide network of sales representatives and distributors.
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Weld-On products are commonly used for joining plastic pipes and fittings. Weld-On also manufactures specialty products from repair adhesives for leaking pipes, pipe thread sealants/joint compounds, to test plugs for pipeline pressure testing.
Assembly at Any Scale
Sign assembly adhesives and display assembly adhesives that are designed for large and small scale projects. You want your creations to stand the test of time, and let the art do the speaking. Their adhesives will do the work behind the scenes so your creations can speak for themselves. Here at Plastic-Craft we carry the full catalog of Weld-On from assembly adhesives, so no matter the project we have the adhesive you need.
Bonding two pieces of acrylic sheet together has never been so easy than when using ACRIFIX adhesives and auxiliaries. With a variety of options, you are sure to find the right solution for your needs, whether that be achieving rapid drying speed or a high strength bond. There's also a solution for reducing static charges with the help of an anti-static cleaner.
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ACRIFIX reactive adhesives work great for projects where a quality bond is needed, typically in applications such as museum cases, lighting and aquariums. The bonds created are extremely high strength and leave a bubble-free joint.
The advantages of ACRIFIX solvent adhesives lie in the rapid drying speed of the bonded parts as well as their suitability for outdoor use. With this super thin formula, you can expect a fast-acting bond that's less labor intensive while still providing a nice strong joint
ACRIFIX AC1010 anti-static cleaner is formulated to cut static charge from sensitive surfaces. By dissolving and neutralizing static, this will allow applied areas to become dust free and stay clean longer.
Caseway is an industry leader specializing in an array of products including solvent cements, epoxy adhesives, and MIL-SPEC polymerizable cements for industry users bonding plastics and other dissimilar substrates; Petroleum jellies & waxes for multiple industries and purposes; Paint strippers, adhesive removers, cleaners, and other specialty products.
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