Jewelry

Technology for creating jewellery pieces with precision and a high-quality finish.

Materials for the manufacture of jewellery by investment casting.

The manufacture of metal jewellery requires processes capable of reproducing complex designs and very fine details with great precision. Pieces such as rings, pendants, earrings, or charms are usually manufactured by microfusion casting or lost-wax casting, a technique widely used in the jewellery sector.

At CONIEX, we supply technical materials for jewellery manufacturers that use investment casting processes to produce pieces with a high level of detail and surface quality.

Our materials are used in the manufacture of different types of jewellery pieces, such as:

  • rings with reliefs or engravings
  • pendants and decorative medals
  • earrings and small ornamental components
  • charms and elements for bracelets
  • customised jewellery pieces

The combination of suitable materials and controlled processes makes it possible to obtain pieces with great fidelity to the original design and ready for subsequent finishing or setting processes.

CASTEX silicone for microfusion moulds.

In the microfusion process, the mould is a fundamental element for accurately reproducing the original model of the piece.

For this application, CONIEX offers CASTEX, a range of silicones specially developed for the manufacture of moulds used in microfusion.

CASTEX silicones make it possible to obtain moulds capable of faithfully reproducing very small details, which is essential in the jewellery sector.

Their main characteristics include:

  • alta precisión en la reproducción de detalles
  • dimensional stability during the process
  • good resistance to repeated use in production
  • flexibility that makes it easier to remove the wax models

These properties make it possible to produce moulds suitable for the manufacture of rings, pendants, earrings and other items of jewellery, whilst maintaining a high standard of quality across every production run.

👉 Find out more about CASTEX silicones for investment casting

Decorating jewellery pieces with ESMALTEX enamels

Some pieces of jewellery feature colourful details that add character to the design and highlight ornamental elements.

For this type of application, Coniex offers ESMALTEX, a range of epoxy resins used for decorative cold enamelling on metal.

These glazes allow engraved areas or recesses in the piece to be filled in, creating visual contrasts that highlight certain elements of the design.

ESMALTEX enamels offer:

  • good colour fastness
  • glossy finishes
  • adhesion to metal surfaces
  • wear resistance
  • bisphenol A-free (BPA-free) formulation

These characteristics make ESMALTEX enamels suitable for use on jewellery pieces featuring coloured decorative details or graphic elements.

👉 Discover the ESMALTEX range of epoxy coatings

Surface preparation for jewellery items

To achieve a good end result in metal jewellery, it is important that the pieces are properly prepared before any decorative treatments or subsequent finishes are applied.

Coniex’s Surface division offers solutions designed to improve the cleaning and preparation of metal prior to processes such as enamelling or polishing.

Proper surface preparation helps to produce parts with a more uniform finish and better visual quality.

👉 Discover our surface treatment and finishing solutions

Training in glazing processes

Coniex also offers training programmes aimed at professionals in the jewellery sector who wish to enhance their knowledge of the manufacturing processes involved in producing ornamental metal pieces.

These courses provide a better understanding of how materials behave and help to optimise the various stages of the production process.

The courses include:

Training in casting and microcasting processes

Focused on mould manufacturing and control of the casting process

Decorative enamelling courses

specialising in the application of ESMALTEX epoxy resins

These training courses enable professionals to acquire practical knowledge that can be directly applied to their production process.

👉 Find out more about training courses in casting and enamelling

Examples of applications in jewellery

This section displays images generated using artificial intelligence, depicting different types of metal jewellery.

These images are used as a visual reference to illustrate various applications within the jewellery sector.

These examples help to illustrate the manufacturing possibilities within the microcast jewellery sector.

(Gallery of AI-generated images)

Coniex, your technical partner in jewellery making

At Coniex, we work alongside jewellery manufacturers, providing technical materials, specialist advice and solutions tailored to each project.

Our aim is to help improve:

  • the definition of the detail
  • the efficiency of the production process
  • the durability of the moulds
  • the final finish of the parts