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A resin is a viscous substance that can be converted into a rigid polymer when it cures. All resins will harden under certain conditions, for example, heat, exposure to light, or being mixed with a setting agent or hardener. From robust structures to intricate artworks, resins have emerged as the go-to choice for countless engineers, artisans and designers around the world. They can be naturally occurring or made synthetically to suit a range of applications and uses. Natural resins are organic substances that are fusible and can either be transparent or translucent. Synthetic resins have similar characteristics but are different chemically and can be clear. Some are referred to as a casting resin if they are a liquid before it polymerises and sets.Types of ResinEpoxy ResinEpoxy resin, a marvel of modern chemistry, delivers with its exceptional strength, durability, and versatility. Derived from a chemical reaction between epichlorohydrin and bisphenol A, epoxy resin boasts remarkable adhesive properties, making it an ideal choice for structural bonding needs and laminating. This remarkable material is lauded for its ability to resist corrosion, chemicals, and extreme temperatures, allowing it to thrive in a multitude of environments. Epoxy offers a high strength to weight ratio and dimensional stability, as well as adhesion properties which make them ideal for a wide range of applications. Whether it's for creating stunning artwork, patching holes, manufacturing aerospace components, or crafting durable, protective floor coatings, epoxy resin stands as a symbol of innovation and resilience.Polyester ResinSometimes referred to as unsaturated polyester resin or more simply polyester is a type of adhesive paste, filler and laminating resin. With its low cost, ease of use, and exceptional moldability, polyester resin is an excellent solution. The polyester resin normally comes as a pale, viscous solution or paste containing a polyester solution, normally styrene. They have a fast cure time and can be used as a sealant on a variety of materials, thanks to their resistance to chemicals and harsh weather. This versatile resin finds its place in various industries, including automotive, marine, construction, and consumer goods. From crafting lightweight boat hulls to designing eye-catching sculptures, polyester resin unveils a world of possibilities limited only by the imagination of its wielder.Resin ApplicationsThe applications of resins extend far and wide. They can be useful across a range of applications, but their main purpose is as a glue, to fuse or mould objects together. Some common uses include:*   Adhesives

- Paints & Coatings
- Electronics Components
- Medical Devices
- Art & Design
- Construction & Engineering
- Automotive & Marine


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Resins

Loctite Loctite HYSOL 3295 Green 50 ml Epoxy Adhesive Dual...

Loctite Hysol 9514 Grey 300 ml Epoxy Resin Adhesive Cartridge

Loctite HYSOL 3421 Transparent Yellow 50 ml Epoxy Adhesive Dual...

Loctite Hysol 3479 Grey 500 g Epoxy Resin Adhesive Can for Aluminium

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<p>Epoxy resins and are characterised by their excellent durability, strength, chemical resistance and low absorption of moisture. Commonly used for laminating, epoxy resin can be used as a protective coating as well as materials in circuit boards and for patching holes in concrete pavements. These versatile resins offer high strength resistance to corrosion. Epoxy resins offer a high strength to weight ratio and dimensional stability as well as adhesion properties make them ideal for a wide range of applications. Different resins are produced by varying the ratios of the chemical components.</p> <p>Epoxy resins are typically low odour compared to vinylester resins or polyester resins and usually involve mixing two components, resin and hardener, with a mixing ratio of relatively equal proportions. Resins are usually high in viscosity (a measure of its resistance to flow) so that they are moulded at temperatures around 50 to 100&deg;C, or dissolved in an inert solvent (a solvent that does not react with anything in solution, epoxy cannot be thinned down with thinners) to reduce viscosity to a point at which lamination at room temperature becomes possible. Low viscosity epoxies are typically used in RTM (resin transfer moulding) for the casting of parts.</p> <h3>How is an epoxy resin made?</h3> <p>Most epoxy resins are an industrial product derived from petroleum and are themselves the result of a chemical reaction called curing. This involves epoxies and other chemicals more commonly known as hardeners or curing agents. Depending on the type of reaction used to produce the resin, they can be either low-molecular honey-like liquids or high-molecular, solid substances. Their molecular weight often determines their potential uses and applications.</p> <h3>Epoxy resin uses</h3> <ul><li>General purpose adhesives</li> <li>As the binder in cement and mortars</li> <li>Rigid foams</li> <li>Non-skid coatings</li> <li>Solidifying sandy surfaces in oil drilling</li> <li>Industrial coatings</li> <li>Potting and encapsulating materials</li> <li>Fibre reinforced plastics</li></ul> <h3>Advantages of Epoxy</h3> <ul><li>Low shrink during cure</li> <li>Excellent moisture and chemical resistance</li> <li>Good electrical insulation properties</li> <li>Increased mechanical properties and fatigue strength</li> <li>Impact resistant</li> <li>No VOCs (Volatile Organic Compounds)</li> <li>Long shelf life</li></ul>

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