Resins and rubbers for the preparation of varnishes for violin making

Discover the Amber Colophony for the preparation of paints.

Natural resins for the preparation of paints for violin making

Natural Resins

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    <p>Extra dark Colophony (rosin), in comparison to light colophony, comprises a higher concentration of essential oils and coloring components. This variant, rich in these elements, is particularly well-suited for crafting violin oil varnishes. Obtaining the dark rosin proves challenging due to the prevailing trend where light rosin is more economically viable. Consequently, a true market for dark rosin is scarce, given the cost-effectiveness of its lighter counterpart.</p>
    045.604
    Colophony - Dark Brown - Kremer 100gr KREMER Natural Resins

    Colophony - Dark Brown - Kremer 100gr

    €6.90
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    <p>Fossilized amber, derived from conifers fossilized for millions of years. Among resins, it is the most durable and practically insoluble in all solvents, except for oils in which it is partially soluble when heated. Amber produces a very dark and difficult-to-remove varnish, making it essentially unsuitable for painting techniques.</p>
    045.744
    Amber genuine, pieces 100g GL Natural Resins

    Amber genuine, pieces 100g

    €9.50
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    <p>This resin is naturally produced by plants as a defense mechanism to seal any wounds or cracks in their trunk or branches, making it a perfect wood pore sealer!</p> <p>It is important to note that gum arabic can vary in its chemical composition and properties depending on the species of plant from which it is extracted. Therefore, its quality and characteristics may slightly differ among different manufacturers or suppliers. At Grandi Liutai Italiani, we have selected the finest gum arabic available in the market to ensure optimal results in wood preparations.</p>
    045.719
    Tragacanth Powder - 50 g GL Natural Resins

    Tragacanth Powder - 50 g

    €5.70
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    045.089
    Dammar Gum - 100 g Grandi Liutai Italiani Natural Resins

    Dammar Gum - 100 g

    €3.90
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    <h2>The most used resin for violins and bows</h2> <p>Rosin is a solid resin derived from the oleo-resin (crude turpentine) exuded by various species of pine tree. Rosin is extracted by heating the oleo-resin to vaporise the essential oils (spirit of turpentine), or through a naphtha solvent process. Rosin is mainly produced in Portugal and Brazil but Indonesia, northern Vietnam, southern China, the US, Mexico and France are also producers.</p> <p>Rosin is sold as a semi-transparent solid ranging in colour from yellow to black and has a faint odour of pine. The commercial grades range from A (the darkest) to K (yellow red), M (yellow brown) and N (deep yellow), through to superior WG ("Window Glass", yellow) and WW ("Water White", slight yellow) sold here by Grandi Liutai Italiani. Rosin is brittle and easily crumbled at room temperature, but melts at around 100-120 °C and is highly flammable. Rosin dissolves in alcohol, benzene, chloroform and ether. It is also soluble in spirit of turpentine and turpentine substitute.</p> <h3>Our evaluation of Portuguese Clear Rosin flakes</h3> <p>We at <strong>Grandi Liutai</strong> have evaluated the use of the Portuguese Clear Rosin Flakes - 100 g in our luthier laboratories, and we are very satisfied with the results. We have found that it is a high-quality product with numerous positive characteristics in the production and maintenance of stringed musical instruments. The Portuguese Clear Rosin Flakes - 100 g has proven to be a high-quality product, ideal for producing a clear and crystalline sound in stringed instruments such as violins, cellos, violas, and double basses. We have also noticed that this rosin is suitable for all types of strings, whether steel or gut. Secondly, we evaluated its ease of use. The rosin flakes dissolve easily. Additionally, the consistency of the rosin allows for easy manipulation, making it ideal for hand applications. Thirdly, we evaluated the durability and stability of the rosin. We at Grandi Liutai have found that the Portuguese Clear Rosin Flakes - 100 g maintains its long-term adhesion, even in hot and humid environments. This makes it ideal for industrial applications that require strong long-term adhesion. In summary, our evaluation of the use of the Portuguese Clear Rosin Flakes - 100 g in <strong>musical instruments is extremely positive</strong>. Its high quality, the consistency of the flakes, durability, and safety in use make it an ideal choice for every musician, whether professional or amateur. We highly recommend this product to anyone looking for a quality rosin for their stringed instrument.</p>
    045.106
    Clear Portuguese Rosin Flakes - 100 g Grandi Liutai Italiani Natural Resins

    Clear Portuguese Rosin Flakes - 100 g

    €2.00

    Rosin is a solid resin derived from the oleo-resin (crude turpentine) exuded by various species of pine tree.

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    045.099
    Venetian Turpentine - 50 g Grandi Liutai Italiani Natural Resins

    Venetian Turpentine - 50 g

    €5.90
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    <p class="MsoNormal"><span lang="en-gb" xml:lang="en-gb">Shellac is the purified, processed crude Seedlac.</span></p> <p></p> <p class="MsoNormal"><span lang="en-gb" xml:lang="en-gb">Garnet is the most popular colour of the Wax Free shellacs and helps luthiers produce a warm and colourful looking varnish. It has a wonderful clarity and depth of shine.</span></p> <p></p>
    045.104
    Shellac Garnet Wax-free - 100 g Grandi Liutai Italiani Natural Resins

    Shellac Garnet Wax-free - 100 g

    €4.90
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    <p class="MsoNormal"><span lang="en-gb" xml:lang="en-gb">Elemi resin is a pale-yellow substance with a honey-like consistency. Elemi resin is used by luthiers in alcohol-based varnishes as its oily component gives the varnish better flexibility, adhesion, brilliance and plasticity.</span></p> <p></p>
    045.096
    Elemi Gum - 100 g Grandi Liutai Italiani Natural Resins

    Elemi Gum - 100 g

    €8.90
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    <p>Copal can be considered a young form of amber, still in a phase of chemical and physical transformation (amberization). It can be distinguished from amber by its opacity and the presence of numerous insects and other small animals inside. Unlike amber, copal is soluble in substances such as ether or benzene and can be completely dissolved to recover the insects inside.</p> <p></p> <p>Copal is extracted from various parts of the world, including Sierra Leone, Benin, Cameroon, Congo, Angola, Zanzibar, Mozambique, Madagascar, Mexico, Colombia, Brazil, Philippines, and New Zealand. It is produced by various species of broadleaf plants and occasionally by conifers. For example, Madagascar's copal is produced by a legume still present on the island, Hymenaea verrucosa (copalier). South American copal is produced by various plants in the Burseraceae family, such as Icica icicariba (which produces Brazilian gold copal), Bursera microphylla and Bursera graveolens (which produce black copal), and Protium crassipetalum (which produces white copal). Colombia's copal is produced by another legume in the Santander Department. Finally, the Philippines and New Zealand's copal is produced by a conifer in the Araucariaceae family, Agathis dammara (locally known as Kauri).</p> <p></p> <p>Manila Copal Gum comes in resinous masses of varying sizes, with surfaces of more or less dark color and a melting point ranging from 103°C to 120°C. It is soluble in alcohol and insoluble in common solvents.</p> <p></p> <p>Manila Copal Gum is soluble in alcohol at a temperature above 94°. After pyrolysis, Manila gum produces a substance soluble in alcohol and allows only small amounts of oil to be added. A solution is obtained that, when mixed with other resins and varnishes, can be used to prepare adhesives, putties, wood varnishes, and as an antique finish for frames, furniture, etc.</p>
    045.091
    Manila Copal - 100 g Grandi Liutai Italiani Natural Resins

    Manila Copal - 100 g

    €3.90
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    045.107
    Gum Arabic Grandi Liutai Italiani Natural Resins

    Gum Arabic

    €3.90
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    <p class="MsoNormal"><span lang="en-gb" xml:lang="en-gb">Sandracca is a natural resin obtained from the Juniperus comunis shrub.</span></p> <p>It is a shellac-like resin, but much clearer, and is used as a final varnish for lacquered furniture or as a varnish additive.</p> <p>With this resin we obtain a film of high gloss and hardness and good adhesion.</p> <p>Sandracca can also be used in some varnishes as a substitute for shellac due to the need to have a finish that does not alter the colour of the wood, especially light ones.</p> <h3>Our evaluation of the Grinepro sandarac resin</h3> <p>At <strong>Grandi Liutai</strong>, we recently evaluated the Grinepro sandarac resin for the protection of furniture and musical instruments, as well as its usefulness in the preparation of varnishes and lacquers. After conducting a series of tests in our luthier laboratories, we were very satisfied with the results obtained. Firstly, we found that the Grinepro sandarac resin is a high-quality product, which comes in a solid and transparent resin form. Its consistency makes it easy to apply to the surface of the objects to be protected, and its ability to harden quickly ensures long-term protection. In addition, the transparency of the resin does not alter the natural color of the wood and preserves its beauty. Secondly, we tested the Grinepro sandarac resin for the preparation of varnishes and lacquers. We found that this product has excellent solubility capacity, which means that it can be easily diluted in solvents such as alcohol or turpentine essence for the creation of high-quality varnishes and lacquers. The resin also contributes to giving a greater shine and protection to varnishes and lacquers, ensuring a durable and resistant finish. Finally, Grandi Liutai greatly appreciated the versatility of the Grinepro sandarac resin. This product can be used not only for the protection of furniture and musical instruments but also for the creation of craft and decorative objects, such as frames or boxes. Its ability to preserve the natural color of the wood and to provide a shiny and resistant finish makes it an essential tool for every craftsman. In conclusion, our evaluation of the <strong>Grinepro sandarac resin</strong> is extremely positive. Its high quality, ease of use, and versatility make it an essential product for every luthier or craftsman. We highly recommend this product to anyone who needs to protect, decorate, or varnish wooden objects.</p>
    045.095
    Sandarac - 100 g Grandi Liutai Italiani Natural Resins

    Sandarac - 100 g

    €8.30
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    <p class="MsoNormal"><span lang="en-gb" xml:lang="en-gb">Chios Mastic Gum is a natural resin that comes out spontaneously or by engraving from the "Pistachia Lentiscus" that grows on the island of Chios in Greece.</span></p> <p></p> <p class="MsoNormal"><span lang="en-gb" xml:lang="en-gb">The Chios Mastic Gum comes in the form of rounded tears, light yellow, bright and transparent.</span></p> <p></p> <p class="MsoNormal"><span lang="en-gb" xml:lang="en-gb">It is soluble in alcohol and essence of turpentine.</span></p> <p></p> <p class="MsoNormal"><span lang="en-gb" xml:lang="en-gb">In varnishes it is extremely transparent, brilliant and non-yellowing.</span></p> <p></p> <p class="MsoNormal"><span lang="en-gb" xml:lang="en-gb">Due to its qualities of transparency and brilliance, Chios Mastic Gum is frequently used by Luthiers in the preparation of the highest quality Oil and Spirit varnishes.</span></p> <p></p>
    045.097
    Mastic Resin - 50 g Grandi Liutai Italiani Natural Resins

    Mastic Resin - 50 g

    €15.90
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    <p class="MsoNormal"><span lang="en-gb" xml:lang="en-gb">Shellac is a resinous secretion of the lac insect and it is the only commercially used natural resin of animal origin. After the crude lac is gathered from the tree, it is crushed and graded and the largest particles are called "Seedlac". This set of small selected natural “golden gems” is simply cold washed to eliminate dust and wood residues and to keep intact the characteristics of the native resin such as the colour and the waxy component. This resin has been recently rediscovered by luthiers who want to give their alcohol varnishes rich and warm shades and at the same time soften their recipes.</span></p> <p></p>
    045.105
    Golden Kushmi Seedlac - 100 g Grandi Liutai Italiani Natural Resins

    Golden Kushmi Seedlac - 100 g

    €7.90
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    <p class="MsoNormal"><span lang="en-gb" xml:lang="en-gb">Shellac is the purified, processed crude Seedlac.</span></p> <p></p> <p class="MsoNormal"><span lang="en-gb" xml:lang="en-gb">Dewaxed Ruby Shellac is very rare and hard to find.<span>  </span>It produces a stunning deep reddish mahogany looking tone on most lighter woods.<span>  </span>It is highly desirable for preparation of modern varnishes and antique restorations.<span>  </span>It is a very popular shade for a warm looking general finish on light to medium woods.<span>  </span>It will produce one of the most beautiful finishes in violinmaking. Our Ruby shellac is also dewaxed.<span>  </span>This provides the advantage of being fully compatible with most of other natural resins. It has a wonderful clarity and depth of shine.</span></p> <p></p>
    045.101
    Shellac Ruby Wax-free Grandi Liutai Italiani Natural Resins

    Shellac Ruby Wax-free

    €8.30
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    <p class="MsoNormal"><span lang="en-gb" xml:lang="en-gb">Shellac is the purified, processed crude Seedlac.</span></p> <p></p> <p class="MsoNormal"><span lang="en-gb" xml:lang="en-gb">TN Shellac of the highest quality stands out for its very fine impalpable flakes that make it extremely soluble and easy to combine with other resins, even cold dissolved. </span></p> <p></p> <p class="MsoNormal"><span lang="en-gb" xml:lang="en-gb">The TN is the preferred by luthiers for its low price and for the excellent qualities in the preparation of spirit varnishes and French polish.</span></p> <p></p>
    045.102
    Shellac TN Grandi Liutai Italiani Natural Resins

    Shellac TN

    €5.90
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    <p class="MsoNormal"><span lang="en-gb" xml:lang="en-gb">Benzoin resin, also known as Benzoin gum, is very soluble in alcohol. It is used by luthiers in alcohol varnishes to achieve greater brilliance and improve the smoothness of the last layers of varnish.</span></p><p></p> <p class="MsoNormal"><span lang="en-gb" xml:lang="en-gb"></span></p><p> </p>
    045.098
    Benzoin Resin - 100 g Grandi Liutai Italiani Natural Resins

    Benzoin Resin - 100 g

    €12.60
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    <p class="MsoNormal"><span lang="en-gb" xml:lang="en-gb">Grandi Liutai Italiani carries the finest quality of Platinum shellac available and guarantee its as the best quality on the market.</span></p> <p>Shellac is the purified, processed crude Seedlac.</p> <p>Dewaxed Platinum Shellac Flakes has very little colour.<span>  </span>It is primarily used as a clear coat in order to reveal the natural colour of the wood. It allows the natural colour to show through.</p> <p>It has a wonderful clarity and depth of shine.<span>  </span>It will produce one of the most beautiful finishes in violinmaking. Platinum is one of the most popular colours for bringing out the natural colour of exotic hardwoods.<span>  </span>Platinum Shellac gives the wood a little amber colour and is the 1st lightest colour available on the market.</p> <h3>Our evaluation of Shellac Platinum BLEACHED</h3> <p>Dewaxed and Decolored Shellac Recently, the team of <strong>Grandi Liutai</strong> evaluated Platinum BLEACHED Dewaxed and Decolored Shellac for the preparation of varnishes and lacquers, as well as for the protection of furniture and musical instruments. After a series of tests conducted in our luthier laboratories, we can confidently say that it is a high-quality product. Firstly, our company noticed that Platinum BLEACHED Dewaxed and Decolored Shellac comes in the form of a solid, transparent resin with a pale color. Its easy-to-work-with consistency and ability to harden quickly make it ideal for preparing varnishes and lacquers. Furthermore, our team found that this dewaxed and decolored shellac has significant solubility, making it easy to dilute in solvents such as alcohol or turpentine to create high-quality varnishes and lacquers. Secondly, we tested Platinum BLEACHED Dewaxed and Decolored Shellac for the protection of furniture and musical instruments. Its transparency and ability to harden quickly provide long-term protection against wear and tear. Additionally, we noted that this decolored and dewaxed shellac is resistant to stains, moisture, and UV rays, making it ideal for protecting objects exposed to direct sunlight. Finally, we appreciated the versatility of Platinum BLEACHED Dewaxed and Decolored Shellac. This product can be used not only for the preparation of varnishes and lacquers but also for the creation of craft and decorative objects, such as frames or boxes. Its ability to preserve the natural color of wood and provide a glossy and durable finish makes it an essential tool for any artisan. In conclusion, the<strong> evaluation by the Grandi Liutai team</strong> of Platinum BLEACHED Dewaxed and Decolored Shellac is <strong>extremely positive</strong>. Its high quality, ease of use, and versatility make it an indispensable product for any luthier or artisan. We highly recommend this product to anyone in need of preparing high-quality varnishes and lacquers or protecting and decorating wooden objects.</p>
    045.100
    Shellac Platinum Bleached and Wax-free Grandi Liutai Italiani Natural Resins

    Shellac Platinum Bleached and Wax-free

    €9.90
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    <h2 class="MsoNormal"><span>Amber for the preparation of oil paints</span></h2> <p class="MsoNormal"><span>The <strong>Amber Colophony</strong> is prepared by exposing Amber to a short-term temperature which occurs in vacuum, coupled with the simultaneous separation of the gaseous and liquid elimination products, results in the formation of a particularly high-quality rosin which is free from extraneous substances and is particularly suitable for the production of oil varnishes. </span><span lang="it" xml:lang="it">The reaction takes place at 300-450 Celsius.</span></p> <h3 class="MsoNormal"><span lang="it" xml:lang="it">It is above all indicated for the production of high quality varnishes in lutherie</span></h3> <h3>Our evaluation on the use of <strong style="font-size:11px;">amber Colophony</strong></h3> <p><span style="font-size:11px;">At </span><strong style="font-size:11px;">Grandi Liutai</strong><span style="font-size:11px;">, we have </span><strong style="font-size:11px;">evaluated the use</strong><span style="font-size:11px;"> of</span><strong style="font-size:11px;"> amber Colophony</strong><span style="font-size:11px;"> and found that its main function is to confer greater resistance and hardness to the paint, while also improving its adhesion. However, the use of </span><strong style="font-size:11px;">amber Colophony</strong><span style="font-size:11px;"> in the preparation of oil paints presents some unique characteristics. Firstly, it is necessary to have a reliable source of high-quality amber, as its purity and properties can vary significantly. We have found that the processing of </span><strong style="font-size:11px;">amber Colophony</strong><span style="font-size:11px;"> can be complicated and require the use of specialized equipment. Despite these disadvantages, we have seen that the use of pyrolyzed amber can bring numerous advantages in the preparation of high-quality oil paints. Paints containing pyrolyzed amber have greater wear resistance, adhesion, and durability over traditional oil paints. In addition, </span><strong style="font-size:11px;">amber Colophony</strong><span style="font-size:11px;"> can improve the transparency and brightness of the paint, giving paintings a more vibrant and brilliant appearance. In summary, Grandi Liutai is satisfied with the use of </span><strong style="font-size:11px;">amber Colophony</strong><span style="font-size:11px;"> in the preparation of oil paints, which may require some attention and expertise but can lead to extremely satisfying results. When used correctly, </span><strong style="font-size:11px;">amber Colophony</strong><span style="font-size:11px;"> can significantly improve the quality and durability of oil paints, giving paintings a more vibrant, brilliant, and long-lasting appearance.</span></p>
    045.103
    Amber Colophony - 100 g Grandi Liutai Italiani Natural Resins

    Amber Colophony - 100 g

    €16.90

Rosin in flakes is used to obtain the friction of the bow on the strings of stringed instruments.

L'Ambra Pirogenata, nota anche come ambra grigia o ambra bruna, è una resina fossile che viene spesso utilizzata nella produzione di vernici e pigmenti. Viene estratta da giacimenti naturali di ambra e viene trasformata in polvere fine per l'utilizzo in varie applicazioni.

Per preparare una vernice utilizzando l'ambra pirogenata, si può seguire questo procedimento:

  1. Triturare l'ambra pirogenata in polvere fine.
  2. Aggiungere la polvere di ambra in una soluzione di olio di lino e terebinto, in proporzioni variabili a seconda della consistenza desiderata.
  3. Riscaldare la soluzione a bagnomaria fino a quando la resina si scioglie completamente.
  4. Raffreddare la vernice e utilizzarla come desiderato.

Questa vernice può essere utilizzata per creare un effetto lucido e traslucido su superfici in legno, metallo, pietra o altri material