Jewellery manufacturing adhesives – Araldite 2011, Permabond UV 6231…

Jewellery manufacturing adhesive

Two-component epoxy resins are used for the manufacture of jewellery, namely in bonding of pieces of different sizes and materials / compositions.

Jewellery manufacturing adhesiveAlso in jewelery manufacture respond to applications d coating, casting and others thanks to its properties and the wide variety of formats available.

The formulation of Araldite 2011 provides a liquid resin, which is easy to mix and can be poured into molds, spaces and very diverse shapes.

Features of Araldite 2011:

  • Good adhesion to a wide variety of substrates.
  • Good chemical and mechanical resistance to impacts, sudden temperature changes, …
  • Transparency and resistance to aging
  • Faster cure time available with Araldite 2012.

Types of epoxy resin for jewelry manufacturing and security

Jewellery manufacturing adhesive

Jewelry Making Epoxy adhesive resins are mainly used for bonding stones, but can be used for coating applications by providing reinforcements and different properties that are important to the final piece.

Safety in the manufacture of jewelry with epoxy resin

The best precaution you can take when using any material is to get the safety data sheet and read all the safety instructions that accompany the product.  Jewellery manufacturing adhesive

Product packaging can also display a web address with additional downloadable security guidelines and information.

Most epoxy resins are non-toxic and organic compounds that, once cured, do not irritate the skin.

However, in the liquid state, both resins and hardeners are highly irritating to the skin and eyes.

Wear nitrile protective gloves and safety goggles, and work in a well-ventilated area. Always handle resins carefully, and follow proper use and disposal methods that are recommended by the manufacturer.

Working with epoxy resin

Epoxy resins come in two parts: the resin and the hardener.

The two parts must be homogenized in some cases and mixed in the precise proportion given in the manufacturer’s instructions and with the correct removal.

Inaccurate measurement and mixing prevents the resin from solidifying or cure properly, thus affecting the result.

Other adhesives for jewelery and precious stones

Jewellery manufacturing adhesive

Compared to the union of automotive or aeronautical components, you might think that a gluing application in jewelry making is a walk in the park – surprisingly this is not always the case.

Think of the wear a ring would have – exposed or not to soap, hot soapy water, etc .; Or a set of earrings by putting a shampoo on a regular basis.

Adhesive surfaces are small – with the glue line exposed to water, soap, hand cream, cleaning liquid, detergent, etc.

It is very important that the jewelry manufacturer use the appropriate adhesive for exposure to these agents; Otherwise they will have dissatisfied customers, returns and repairs.

Adhesives commonly used for bonding glass / ceramics to metal for jewelry.

You will find gemstones like rubies, diamonds, sapphires, etc .; Are firmly held in place by gold-plated settings, which last for hundreds of years with minimal maintenance. This method of manufacture is highly complex, low productivity and carried out by expert jewelers.

For more usual / affordable jewelery stores, high volume productivities require fast low cost solutions, often using basic adhesives such as solvent based adhesive or hot melt adhesive. Cyanoacrylate adhesives also provide a fast and accurate solution for fixing crystals or diamond stones. These types of adhesives will not stand the test of time as the crimp on a gold ring.

Possibly the useful life is long enough for the user to lose interest in the jewelry item and move to the next fashion piece, which allows this segment of jewelry.

However, some of these semiprecious crystal jewelry items can be worth several hundred dollars and the loss of several stones or the discoloration of the adhesive that binds them is very disappointing.

Whenever possible, larger stones or specific decorations may be a bit better in this regard, as they would have a greater bonding area and a lower proportion of exposed adhesive, but not always is …

Is there any better type of adhesive that can be used instead?

Yes, epoxy adhesives have a much better environmental resistance and can withstand hot soapy water without premature degradation.

Permabond offers two component, transparent and colorless ET500; As well as the mono-component heat-curing epoxy ES560 that can be used for jewelry making applications.

These are ideal for use in fine gaps / thicknesses for bonding glass, precious stones, most plastics and of course metals.

It should be noted that they are probably not the best product choice aesthetically if you need to apply a thick layer of adhesive or there is a vault geometry.
UV adhesives offer the best aesthetic appearance as well as excellent resistance to the environment, chemical and a very fast manufacturing process.

For clear crystalline bonding, a UV curable transparent adhesive such as Permabond UV670 may be used, but often the imitation diamond crystals have an aluminum backing, in which case UV light may not penetrate for suitable curing.

The Permabond UV7141 UV-anaerobic dual curing adhesive offers a sophisticated bonding solution for bonding gems to metal where shade areas could be a problem.

The product can be cured immediately by blinking with UV light (which will cure around the edges, keep the crystal in place) and then the adhesive beneath the gem will cure anaerobically (by contact with metal ions and absence of oxygen ).
For cladding and doming applications, Permabond offers UV681 and UV683 without tacking. These offer a resilient, colorless / clear and durable / resistant coating



We look forward to optimize your applications through our technologies and advise you without any commitment.

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