DOLOMİTE

Calcium Magnesium Carbonate is a chemical raw material occurring in nature as a natural mineral, consisting of calcium and magnesium double carbonate, having the chemical formula CaMg(CO₃)₂, and forming a crystalline double carbonate rock in white, gray, pink, or tan colors.
Dolomite is a natural mineral formed by the combination of calcium carbonate and magnesium carbonate components in an ordered crystal lattice structure, similar to limestone, but exhibiting higher hardness and chemical resistance owing to its magnesium content.
Dolomite is widely preferred in a very broad industrial spectrum from the glass industry to ceramics, from the paint and coating sector to plastics, rubber, agriculture, iron-steel, and construction chemicals as a filler material, fluxing agent, pH regulator, and magnesium source.

Dolomite Powder is a functional mineral raw material added to formulations in order to improve the physical, mechanical, and chemical properties of final products, optimize costs, and increase process efficiency.
Dolomite Powder particles provide high whiteness, low oil absorption, abrasion resistance, and balanced viscosity control in polymer and paint matrices.
Dolomite-containing construction chemicals, mortars, and plasters gain a more durable and stable structure thanks to the mechanical strength and high filling capacity provided by the mineral structure.

Calcium Magnesium Carbonate undertakes a critical function in glass melting furnaces and ceramic bodies owing to the stable thermal behavior and fusion-facilitating properties Micronized Dolomite exhibits in high-temperature processes.
Dolomite Powder is evaluated as a soil conditioner in the agricultural sector to regulate the pH level of acidic soils and to provide calcium and magnesium nutrients to plants.
Dolomite is one of the fundamental filling materials of the global mineral market, presented at industrial standards by being micronized at high purity and classified according to micron size.

WHAT IS DOLOMITE?
Calcium Magnesium Carbonate is a natural mineral compound widely found in sedimentary and metamorphic rocks, known in the field of industrial minerals under the names Dolomite, Calcium Magnesium Carbonate, or by its mineralogical name CaMg(CO₃)₂.
Dolomite is commercially presented to the market in white or light gray powder form at different particle size distributions by being passed through dry crushing, grinding, screening, and micronized air separators.
Dolomite quality varies according to parameters such as purity ratio, CaO and MgO percentages, Fe₂O₃ (iron oxide) content, whiteness degree, moisture amount, and particle size distribution, and is specifically selected according to the sector in which it will be used.
Dolomite Powder is used together with limestone or as an alternative specifically to lower the melting temperature and increase the chemical resistance of glass in glass manufacturing.
Dolomite is also a versatile component heavily used in plastics, rubber, paint, paper, refractory bricks, fertilizers, and water treatment systems.
Dolomite functions as a reliable filler and neutralizing agent in industrial formulations thanks to the stable ratio of calcium and magnesium ions in its crystal structure.

COMMON PRODUCT AND CHEMICAL NAMES:
Dolomite
Calcium Magnesium Carbonate
Dolomite Powder
Dolomitic Limestone
Raw Dolomite
Micronized Dolomite
Kalsiyum Magnezyum Karbonat
Dolomit Tozu
Mikronize Dolomit

CAS NO, EC / EINECS NO AND CHEMICAL IDENTIFICATION
Product name: Dolomite / Dolomit
Chemical name: Calcium Magnesium Carbonate / Kalsiyum Magnezyum Karbonat
Molecular formula: CaMg(CO₃)₂
Molecular weight: 184.40 g/mol
CAS No: 16389-88-1
EC / EINECS No: 240-440-2
Chemical class: Natural Carbonate Mineral / Double Carbonate Salt
Main functions: Filler material, fluxing agent, pH regulator, magnesium source, refractory component, strength enhancer

Dolomite Powder is a natural mineral compound with a specific crystal structure and a fixed calcium-magnesium ratio.
Dolomite has CAS No 16389-88-1 and EC No 240-440-2 listed in international sources and chemical inventories.
Dolomite Powder commercial grades can contain a CaCO₃ ratio of approximately 54-58% and an MgCO₃ ratio of approximately 40-44%.

PHYSICAL AND CHEMICAL PROPERTIES
Dolomite is generally a fine powder or granular solid in white, off-white, or gray color.
Physical appearance: White powder or granule
Hardness (Mohs scale): 3.5 - 4.0
Density: Approximately 2.85 g/cm³
Solubility in water: Almost insoluble in water; dissolves slowly in acid environment by releasing CO₂ gas
Decomposition temperature: Loses CO₂ by calcining in the range of approximately 730 °C - 900 °C and forms CaO and MgO
Oil absorption capacity: Low to medium level (depends on the micron size of the product)
pH (aqueous suspension): Weakly alkaline character (approximately 8.5 - 9.5)

HOW DOES DOLOMITE WORK AT THE MOLECULAR LEVEL?
Dolomite acts as a volume-increasing and mechanical-reinforcing inert (non-reactive) filler in polymer and paint systems.
Dolomite particles homogeneously disperse within the liquid matrix, regulating the rheological properties of the system and reducing the settling tendency.
Dolomite transforms into an oxide structure (calcined dolomite) by releasing the carbon dioxide within its body when exposed to high temperatures, providing high heat resistance in refractory materials.
Dolomite slowly dissolves in acidic environments, neutralizing the pH level of the environment and releasing magnesium and calcium ions.

WHICH INDUSTRIES IS IT USED IN?
Glass and glassware manufacturing sector
Paint, coating, and varnish industry
Plastic, cable, and rubber manufacturing
Construction chemicals, mortar, plaster, and adhesive production
Ceramics, tile, and porcelain sector
Iron-steel and metallurgy industry (as slag former and refractory)
Agriculture, fertilizer, and soil conditioning sector
Environmental technologies, flue gas, and water treatment plants

ADVANTAGES OF DOLOMITE COMPARED WITH ALTERNATIVE FILLER MATERIALS
Dolomite is a natural mineral raw material with the chemical formula CaMg(CO₃)₂, containing calcium and magnesium carbonates.
Dolomite Powder is used as a filler, mineral additive, and processing aid in various industries, including paints, coatings, plastics, rubber, glass, ceramics, and construction materials.
Its main advantages include providing calcium and magnesium in a single mineral structure, offering a wide range of industrial applications, potentially reducing formulation costs in suitable grades, and serving functional purposes in high-temperature processes. 

1) Combined Source of Calcium and Magnesium
Dolomite contains calcium carbonate and magnesium carbonate within the same mineral structure.
This makes Micronized Dolomite useful in formulations where both calcium and magnesium content are important.
Compared with limestone- or calcite-based fillers that primarily provide calcium carbonate, dolomite can offer an advantage in applications that also require magnesium. 

2) Cost Advantages in Suitable Formulations
Dolomite Powder is a naturally occurring mineral that can be ground and supplied in different particle sizes.
Depending on its purity and particle-size grade, Micronized Dolomite can help optimize formulation costs in paints, plastics, rubber, and construction materials.
The actual cost advantage depends on the price of dolomite, its purity, grinding requirements, transportation costs, and the prices of alternative fillers. 

3) Filler Function in Paints and Coatings
Dolomite is used as a filler in paint and coating formulations to increase volume and help reduce mineral raw material costs.
When the particle size and purity are suitable, it can contribute to surface properties, abrasion resistance, and viscosity control.
However, applications requiring high whiteness or specific optical properties should be evaluated against calcium carbonate and other mineral fillers. 

4) Use in Plastics and Rubber Manufacturing
Dolomite can be used as a mineral filler in plastic and rubber compounds.
With an appropriate particle size and distribution, it can help adjust the physical and mechanical properties of the finished product while controlling raw material costs.
Its performance depends on the polymer type, filler loading, surface treatment, and particle size. 

5) Functionality in Glass and Ceramic Manufacturing
Dolomite is used as a raw material in the glass and ceramic industries.
Micronized Dolomite contributes calcium and magnesium oxide components that help manufacturers adjust glass and ceramic compositions to meet the required specifications.
For applications requiring low iron oxide content and limited impurities, the selected dolomite grade must comply with the relevant technical specifications. 

6) Applications in Metallurgy and Refractories
Dolomite is used in iron and steel production as a slag-conditioning or fluxing material and, after calcination, in certain refractory applications.
This versatility distinguishes dolomite from minerals used exclusively as fillers.
Its suitability depends on mineral purity, chemical composition, and process temperature. 

7) Use as an Agricultural Soil Conditioner
Dolomite can be used to adjust the pH of acidic soils and supply calcium and magnesium.
This dual-mineral nutrient source can be advantageous in soils that require magnesium in addition to calcium, compared with some liming materials that primarily supply calcium.
Application rates should be determined according to soil analysis and agricultural requirements. 

LIMITATIONS OF DOLOMITE COMPARED WITH ALTERNATIVE FILLER MATERIALS
Dolomite is not the best filler for every application.
Calcium carbonate can offer advantages in whiteness, purity, and economical use in certain paint and plastic formulations.
Talc may be more suitable for specific coatings requiring moisture-barrier performance and particular surface characteristics because of its plate-like particle structure.
Kaolin may be preferred in formulations requiring opacity, surface smoothness, or specific rheological properties.
Therefore, filler selection should consider whiteness, particle size, purity, oil absorption, abrasion behavior, mechanical performance, and total formulation cost. 

Conclusion: The main advantages of dolomite are its combined calcium and magnesium content, its versatility across multiple industries, and its potential to optimize formulation costs in suitable grades.
The most appropriate filler should be selected according to the technical requirements of the finished product, the intended industry, and the target cost level.

THINGS TO CONSIDER DURING USE
Dolomite should be processed and handled using a dust mask in powder form, and inhalation of dust should be avoided.
Dolomite should be protected from moisture during storage and kept in dry, enclosed areas.
Dolomite selection of the correct particle size distribution in formulations is of critical importance in terms of surface smoothness, viscosity, and mechanical strength of the final product.

TECHNICAL SUMMARY
Dolomite is an indispensable natural mineral raw material in many branches of industry with its calcium and magnesium carbonate content.
Dolomite is a fundamental component widely used in global industry with its high purity, heat stability, low cost, and functional filler properties.

CONTRACT ATAMAN
For further information and inquiries regarding this chemical, please contact Ataman Kimya.

TÜRKÇE ÇEVİRİ

Kalsiyum Magnezyum Karbonat

Kalsiyum Magnezyum Karbonat, doğada doğal bir mineral olarak bulunan, kalsiyum ve magnezyum çift karbonatından oluşan, CaMg(CO₃)₂ kimyasal formülüne sahip, beyaz, gri, pembe veya taba renklerde kristal yapılı bir çift karbonat kayacı kimyasal hammaddesidir.
Dolomite, kalsiyum karbonat ve magnezyum karbonat bileşenlerinin düzenli bir kristal kafes yapısında bir araya gelmesiyle oluşan, kireç taşına benzer ancak magnezyum içeriği sayesinde daha yüksek sertlik ve kimyasal direnç gösteren doğal bir mineraldir.
Dolomite, cam endüstrisinden seramiğe, boya ve kaplama sektöründen plastik, kauçuk, tarım, demir-çelik ve yapı kimyasallarına kadar çok geniş bir sanayi yelpazesinde dolgu maddesi, ergitici (flaks), pH düzenleyici ve magnezyum kaynağı olarak yaygın şekilde tercih edilir.

Dolomite Powder, nihai ürünlerin fiziksel, mekanik ve kimyasal özelliklerini geliştirmek, maliyet optimize etmek ve proses verimliliğini artırmak amacıyla formülasyonlara eklanan işlevsel bir mineral hammaddedir.
Kalsiyum Magnezyum Karbonat partikülleri, polimer ve boya matrislerinde yüksek beyazlık, düşük yağ emme, aşınma direnci ve dengeli vizkozite kontrolü sağlar.
Dolomite Powder içeren yapı kimyasalları, harçlar ve sıvalar, mineral yapının sağladığı mekanik mukavemet ve yüksek doldurma kapasitesi sayesinde daha dayanıklı ve kararlı bir yapı kazanır.

Kalsiyum Magnezyum Karbonat, yüksek sıcaklık proseslerinde gösterdiği kararlı termal davranış ve füzyon kolaylaştırıcı özellikleri sayesinde cam ergitme fırınlarında ve seramik bünyelerde kritik bir işlev üstlenir.
Dolomite, tarım sektöründe asidik toprakların pH seviyesini düzenlemek ve bitkilere kalsiyum ile magnezyum besini sağlamak amacıyla toprak düzenleyici olarak değerlendirilir.
Dolomite, yüksek saflıkta mikronize edilerek ve mikron büyüklüğüne göre sınıflandırılarak endüstriyel standartlarda sunulan, küresel mineral pazarının temel dolgu malzemelerinden biridir.

DOLOMITE NEDİR?

Dolomite Powder, endüstriyel mineraller alanında Dolomite, Kalsiyum Magnezyum Karbonat veya mineralojik adıyla CaMg(CO₃)₂ olarak bilinen, tortul ve metamorfik kayaçlarda yaygın bulunan doğal bir mineral bileşiğidir.
Dolomite, ticari olarak kuru kırma, öğütme, eleme ve mikronize hava separatörlerinden geçirilerek farklı tane boyutu dağılımlarında beyaz veya açık gri toz formunda pazara sunulur.
Dolomite kalitesi; saflık oranı, CaO ve MgO yüzdeleri, Fe₂O₃ (demir oksit) içeriği, beyazlık derecesi, nem miktarı ve tane boyutu dağılımına göre değişiklik gösterir ve kullanılacağı sektöre göre özel olarak seçilir.
Dolomite, özellikle cam imalatında ergitme sıcaklığını düşürmek ve camın kimyasal dayanımını artırmak amacıyla kireç taşı ile birlikte veya alternatif olarak kullanılır.
Dolomite aynı zamanda plastik, kauçuk, boya, kağıt, refrakter tuğla, gübre ve su arıtma sistemlerinde de yoğun şekilde kullanılan çok yönlü bir bileşendir.
Dolomite kristal yapısındaki kalsiyum ve magnezyum iyonlarının kararlı oranı sayesinde endüstriyel formülasyonlarda güvenilir bir dolgu ve nötralizasyon ajanı olarak işlev görür.

YAYGIN ÜRÜN VE KİMYASAL ADLARI:

Dolomite
Calcium Magnesium Carbonate
Dolomite Powder
Dolomitic Limestone
Raw Dolomite
Micronized Dolomite
Kalsiyum Magnezyum Karbonat
Dolomit Tozu
Mikronize Dolomit

CAS NO, EC / EINECS NO VE KİMYASAL TANIMLAMA
Ürün adı: Dolomite / Dolomit
Kimyasal adı: Calcium Magnesium Carbonate / Kalsiyum Magnezyum Karbonat
Moleküler formül: CaMg(CO₃)₂
Molekül ağırlığı: 184,40 g/mol
CAS No: 16389-88-1
EC / EINECS No: 240-440-2
Kimyasal sınıfı: Doğal Karbonat Minerali / Çift Karbonat Tuzu
Temel işlevleri: Dolgu maddesi, ergitici (flaks), pH düzenleyici, magnezyum kaynağı, refrakter bileşeni, mukavemet artırıcı

Dolomitic Limestone, belirli bir kristal yapısına ve sabit kalsiyum-magnezyum oranına sahip doğal bir mineral bileşiğidir.
Dolomite için CAS No 16389-88-1 ve EC No 240-440-2 uluslararası kaynaklarda ve kimyasal envanterlerde kayıtlıdır.
Dolomite ticari kalitelerinde CaCO₃ oranı yaklaşık %54-58, MgCO₃ oranı ise yaklaşık %40-44 aralığında bulunabilir.

FİZİKSEL VE KİMYASAL ÖZELLİKLERİ
Dolomite genellikle beyaz, kırık beyaz veya gri renkte ince toz veya granül formda bir katıdır.
Fiziksel görünüm: Beyaz toz veya granül
Sertlik (Mohs skalası): 3,5 - 4,0
Yoğunluk: Yaklaşık 2,85 g/cm³
Suda çözünürlük: Suda neredeyse çözünmez; asit ortamında yavaşça CO₂ gazı çıkararak çözünür
Bozunma sıcaklığı: Yaklaşık 730 °C - 900 °C aralığında kalsine olarak CO₂ kaybeder ve CaO ile MgO oluşturur
Yağ emme kapasitesi: Düşük ila orta seviyede (ürünün mikron boyutuna bağlıdır)
pH (sulu süspansiyon): Zayıf alkali karakterdedir (yaklaşık 8,5 - 9,5)

Dolomite MOLEKÜLER DÜZEYDE NASIL ÇALIŞIR?

Dolomitic Limestone, polimer ve boya sistemlerinde inert (tepkimesiz) dolgu maddesi olarak hacim artırıcı ve mekanik güçlendirici işlev görür.
Dolomite partikülleri, sıvı matris içinde homojen dağılarak sistemin reolojik özelliklerini düzenler ve çökme eğilimini azaltır.
Dolomite yüksek sıcaklıklara maruz kaldığında bünyesindeki karbondioksiti salarak oksit yapısına (kalsine dolomit) dönüşür ve refrakter malzemelerde yüksek ısı dayanımı sağlar.
Dolomite asidik ortamlarda yavaş çözünerek ortamın pH seviyesini nötralize eder ve magnezyum ile kalsiyum iyonlarını serbest bırakır.

HANGİ SEKTÖRLERDE KULLANILIR?
Cam ve züccaciye imalatı sektörü
Boya, kaplama ve vernik endüstrisi
Plastik, kablo ve kauçuk imalatı
Yapı kimyasalları, harç, sıva ve yapıştırıcı üretimi
Seramik, karo ve porselen sektörü
Demir-çelik ve metalurji endüstrisi (cüruf yapıcı ve refrakter olarak)
Tarım, gübre ve toprak düzenleme sektörü
Çevre teknolojileri, baca gazı ve su arıtma tesisleri

KULLANIMINDA DİKKAT EDİLMESİ GEREKENLER
Dolomite toz formunda işlenirken ve taşınırken toz maskesi kullanılmalı, tozun solunmasından kaçınılmalıdır.
Dolomite depolanırken nemden korunmalı, kuru ve kapalı alanlarda saklanmalıdır.
Dolomite formülasyonlarında doğru tane boyutu dağılımının seçilmesi, nihai ürünün yüzey pürüzsüzlüğü, viskozitesi ve mekanik dayanımı açısından kritik önem taşır.

TEKNİK ÖZET
Dolomite, kalsiyum ve magnezyum karbonat içeriğiyle endüstrinin pek çok kolunda vazgeçilmez bir doğal mineral hammaddedir.
Dolomite, yüksek saflığı, ısı kararlılığı, düşük maliyeti ve işlevsel dolgu özellikleri ile küresel sanayide yaygın olarak kullanılan temel bir bileşendir.

ATAMAN KİMYA İLE İLETİŞİM
Bu kimyasal hakkında daha fazla bilgi, ürün özellikleri ve tedarik talepleriniz için lütfen Ataman Kimya ile iletişime geçiniz.