Everything started with Royalac …

Our range of dielectric varnishes for Motor, Transformer and Electronics.

Our company was founded in 1961, when, thanks to the intermediation of a merchant, the formula and the name of Royal Diamond were inherited from an American company. And in a small garage, located on a street in Barcelona, two people, while removing a drum, give rise to a primary varnish that they will call Royalac

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Barcelona, Spain

Royal Diamond

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Royapox® Epoxy resin excellent for electrical insulation industry

Our range of dielectric varnishes for Motor, Transformer and Electronics.

Epoxy resin and its insulating power provides a high level of protection against adverse agents such as humidity, dust and other polluting agents.

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Diapol® Polyurethane resin perfectly designed for potting in Electronics Market

Our range of dielectric varnishes for Motor, Transformer and Electronics.

Nowadays, we are sorrounded by infinity of electronic devices that use polyurethane resin for protecting and insulating electronically to guarantee perfect operation. The manufacturers of these kind of electronic devices ensure that polyurethane resin are perfect for casting their devices against adverse environment (humidity, dust and heat) and protect about possible vi...

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Interview Technical Director Royal Diamond

Miquel Alamany

We interviewed the Technical Director of Royal Diamond, Miquel Alamany. With him we will know first hand, the present and future of the #Electricalinsulation sector.

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impregnation varnish

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Everything started with Royalac …

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