ASPHALT
Asfaltia produces bituminous mixtures and provides maintenance services and the conservation of public works. Road surfaces are made up of a series of layers placed horizontally on the ground, with two main functions: Resistance: must be able to sufficiently cushion the loads so that the surface can withstand them. Provide a comfortable, safe driving surface. […]
CONCRETE
Our aggregate quarries allow us to guarantee the supply and performance of our concrete. This is the most widely used construction material and is made of a mixture of aggregates, water, cement and additives in specific amounts. Calcinor produces concrete from aggregate limestones mined in our quarries, obtaining high performance concrete adapting them to the high demands […]
MORTAR
With our own quarries in strategic locations, we are the leading producers in Gipuzkoa (The Basque Contry) and have an important presence in both Levante and Madrid, offering a personalized quality service. These products are used for buiding assembly or for coatings on masonry and walls. Mortar is made by mixing sand, water, cement and additives […]
NATURAL AGGREGATE
It is the second most consumed raw material by humans after water. This natural aggregate is characterized by its chemical composition, physical stability and granulometric size. The use of this raw material is essential to the socio-economic development and infrastructure of a country, and is reflected in the quality of life. These are inert solid materials of […]
DOLOMITE
The high-quality dolomite minerals with their high magnesium carbonate content has made the quarry of Dolomitas del Norte into the European and worldwide benchmark. This mineral is added as an agricultural amendment, supplying both calcium cations and magnesium, fundamental for the remodelling of land and correct development of plants and crops. Calcinor has access to minerals […]
CALCIUM CARBONATE
Comprehensive monitoring of the raw material provides a high-quality range of products. Calcinor has quarries that supply high purity (>95%) calcium carbonate mineral (limestone), that feed the whole range of production. The exhaustive control of this raw material from the very first moment ensures a high richness in the whole chain of related products. Through crushing and classification aggregates […]
SINTERED PRODUCTS
Sintered products made by Calcinor are distributed worldwide. Calcinor provides a range of high purity sintered products, obtained through a two-step thermic process; an initial calcination or roasting, followed by briquetting, and later sintering. Ca Mg (CO3)2 + Tª (~1000ºC) → CaO MgO calcined + 2CO2 CaO MgO calcined + Tª (>2000ºC) → CaO MgO sintered With this […]
REFRACTORIES
Refractarios Kelsen offers experienced technical service for assessment and in the search for tailor made solutions. Refractarios Kelsen offers experienced technical service for assessment and in the search for tailor made solutions. Refractarios Kelsen has a wide range of products to meet different applications, such as slag lines and mechanical impacts on ladle bottoms. The […]
PRECIPITATED CALCIUM CARBONATE PCC
Cales de Llierca is the leading producer of coated and uncoated Precipitated Calcium Carbonate (PCC.) Precipitated Calcium Carbonate (PCC) is the most complex product of all the products we produce: it requires special controls and in-depth knowledge of the different parameters involved in the precipitation reaction and subsequent treatments. By modifying the above parameters, we accurately select […]