Oniir Marketings stands as one of the leading refractory fire bricks and materials manufacturers and suppliers in Sharjah, delivering world-class refractory and insulation solutions for diverse industrial applications. With years of expertise and a commitment to quality, Oniir provides reliable, durable, and high-performance refractory products tailored for industries such as cement, steel, power, glass, and petrochemical sectors.
Refractory Fire Bricks Manufacturer and Supplier in Sharjah
Oniir Marketings offers premium-grade Mahakoshal fire bricks in Sharjah, designed to withstand extreme heat and harsh industrial environments. These refractory fire bricks are made from high-quality alumina and silica, ensuring exceptional strength, thermal stability, and corrosion resistance.

Types of Fire Bricks:
- High Alumina Bricks – Suitable for high-temperature furnaces and kilns.
- Fireclay Bricks – Economical and ideal for moderate temperature zones.
- Acid-Resistant Bricks – Used in chemical plants and corrosive environments.
Applications:
- Steel plants
- Cement kilns
- Boilers
- Incinerators
- Foundries
- Pizza Oven
- Refractory Rolling Steel Mill
- Aluminium Furnaces
- Copper Furnaces
- Led Furnaces
Refractory Castables in Sharjah
Refractory castables are one of the most versatile materials in the refractory industry. They are pre-mixed blends of refractory aggregates, binders, and additives that can be easily applied or poured into molds to form monolithic linings.

What are Refractory Castables?
Castables are used for constructing or repairing furnace linings without the need for bricks. They harden after application and can resist high temperatures, mechanical stress, and chemical attack.
Uses of Castables:
- Boiler linings and burner blocks
- Rotary kilns and cement plants
- Furnace repair and insulation lining
- Power generation and incineration units
Types of Refractory Castables by Oniir Marketings:
- Maxheat-K (Whytheat-K): High-alumina dense castable with excellent heat resistance and strength.
- Maxheat-A (Whytheat-A): Dense refractory castable ideal for high-temperature zones in furnaces.
- Maxcrete Super (Firecrete Super): Medium-duty castable for boilers, heaters, and incinerators.
- Maxcrete-LT (Firecrete-LT): Low-temperature castable suitable for quicker drying and energy-saving applications.
- Calcium Aluminate Cement Binder: High-purity binder ensuring superior bonding and thermal strength.
- Maxmon 70 (Equivalent to Hicast 70, Accmon 70, Criterian 70): High-alumina castable with excellent resistance to abrasion and heat.
- Maxmon 80 AL (Equivalent to Trimore, Aluguard, Accmon 80 AL): 80% alumina castable for extreme temperature environments.
- Maxlyte 7 & Maxlyte 11 (Insulyte 7, Insulyte 11, Coil Coat Castables, Calcem-70, Calcem-50, Calundum-50, Calundum-70): Lightweight insulating castables designed for energy-efficient backup linings.
Advantages of Oniir Castables:
- High mechanical strength and low porosity
- Easy installation and maintenance
- Excellent resistance to thermal shocks and slag attacks
Accoset and Mortar in Sharjah
Oniir Marketings supplies top-quality Accoset and refractory mortar in Sharjah, used for joining refractory bricks and repairing linings. These mortars ensure superior bonding strength, chemical resistance, and durability.
Applications:
- Kilns, furnaces, and boilers
- Lining and patching work in refractory construction
- Suitable for both high and low-temperature applications
Ceramic Fiber Blankets in Sharjah
Oniir provides ceramic fiber blankets in Sharjah for excellent thermal insulation and energy efficiency. These flexible, lightweight blankets can withstand temperatures up to 1400°C, making them ideal for furnace linings, duct insulation, and expansion joint packing.

Features:
- Low thermal conductivity
- High flexibility and easy handling
- Resistance to chemical corrosion and thermal shocks
Thermal Insulation Sheet in Sharjah
For effective temperature control and heat protection, Oniir Marketings offers thermal insulation sheets made from high-performance materials. These sheets are widely used in HVAC systems, boilers, ovens, and industrial enclosures to reduce heat transfer and enhance energy savings.
Benefits:
- High mechanical strength
- Easy to install
- Durable and cost-effective insulation solution
LRB Mineral Wool in Sharjah
Oniir also supplies LRB (Lightly Resin Bonded) Mineral Wool in Sharjah, a high-quality insulation material made from molten rock or slag fibers. It is perfect for thermal and acoustic insulation in industrial pipelines, furnaces, and boilers.
Key Properties:
- Excellent sound absorption
- Fire resistance up to 750°C
- Lightweight and easy to install
Boiler Bricks in Sharjah
Boiler fire bricks by Oniir are specially engineered to provide long-lasting performance in high-temperature boiler environments. They resist abrasion, heat, and thermal cycling, making them ideal for furnace walls and combustion chambers.
Refractory Material in Sharjah
Oniir Marketings is a one-stop solution for all refractory materials in Sharjah, including bricks, castables, mortars, and insulation products. Each product is designed to enhance furnace performance, reduce heat loss, and increase operational efficiency.
Industries Served:
- Cement and steel industries
- Glass manufacturing
- Power generation plants
- Petrochemical and refinery units
Insulation Bricks in Sharjah
Oniir’s insulation bricks in Sharjah offer excellent thermal insulation while maintaining structural strength. These lightweight bricks are used as backup linings behind dense refractory bricks to reduce energy consumption and heat loss.
Features:
- High porosity and low density
- Energy-saving and durable
- Easy to cut and install
Why Choose Oniir Marketings in Sharjah
- Premium quality certified refractory products
- Competitive pricing with a reliable supply chain
- Customized technical support and consultation
- Fast delivery and strong export capabilities
Conclusion
As a trusted refractory fire bricks and materials manufacturer and supplier in Sharjah, Oniir Marketings continues to set industry standards with superior quality, innovation, and reliability. From fire bricks in Sharjah to refractory castables, ceramic fiber blankets, LRB mineral wool, insulation bricks, and thermal insulation sheets, Oniir delivers products that ensure efficiency and long-term performance.
For industries looking for high-temperature solutions that last, Oniir Marketings is the name you can trust in Sharjah and beyond.
Contact the Best Refractory Brick Supplier in Sharjah Today!
Contact Oniir Marketings for any of your Mahakoshal refractory fire bricks requirements in Sharjah, insulation, and other refractory product needs in Sharjah.
Email us: sales333@oniirmarketings.com
Call us at: +91 88006 60953
Visit For More: https://www.oniirmketngs.com/