Hamedan Granite Stone
Hamedan Granite, an igneous stone quarried from the Toyserkan and Ganjnameh regions, offers exceptional durability with a water absorption of under 0....
Where to use Hamedan Granite Stone
Hamedan Granite Stone
Hamedan Granite is a highly durable igneous rock characterized by exceptional compressive strength (up to 1862 kg/cm²) and very low water absorption (less than 0.21%), making it a premier choice for both heavy-traffic flooring and exterior facades. Primarily quarried from the Alvand mountain range in western Iran, it is renowned for its robust engineering properties and aesthetic versatility.
Its composition typically includes plagioclase and orthoclase feldspar, quartz, and biotite, providing a granular texture. Available in various colors ranging from black and gray to white, certain variations feature distinctive crystalline patterns. This combination of mechanical resilience and visual variety makes it a reliable selection for demanding architectural projects.
Technical Specifications of Hamedan Granite Stone
The technical data provided below represents the standard physical and mechanical properties of Hamedan Granite. For large-scale projects requiring specific laboratory certificates or detailed ASTM/ISRI test results, please request a formal datasheet when inquiring about a quote.
| Property | Value |
|---|---|
| Stone Type | Granite |
| Quarry / Origin | Hamedan (Tuyserkan, Ganjnameh, Kohnoosh) |
| Texture | Granular |
| Suitable Use | Indoor & Outdoor |
| Available Colors | Black, Gray, White |
| Finish Types | Polished, Leathered (Honed), Flamed, Sandblasted |
| Processing Methods | Cut, Calibrated, Polished, Epoxy Treated |
| Available Grades | Grade 1, Grade 2, Super, Export Grade |
| Thicknesses | 2 cm, 3 cm |
| Water Absorption | Less than 0.21% (Black River sample) |
| Compressive Strength | Up to 1862 kg/cm² (Black River sample) |
| Abrasion Resistance | High (Suitable for high-traffic flooring and headstones) |
| Porosity | Very low (near zero) |
Distinctive Technical Characteristics
- High Mechanical Strength: With a compressive strength reaching up to 1862 kg/cm², this stone can withstand substantial structural loads and heavy traffic.
- Exceptional Durability: A low water absorption rate (less than 0.21%) and very low porosity provide excellent resistance to freeze-thaw cycles and environmental weathering, essential for exterior facades.
- Versatile Finishes: Hamedan Granite readily accepts a wide range of surface treatments, including polished, leathered (honed), flamed, and sandblasted, offering maximum design flexibility.
- Visual Diversity: Available in diverse color palettes, from consistent greys to patterned variations, catering to different architectural aesthetics.
Primary Architectural Applications
Given its high strength and weather resistance, Hamedan Granite is ideally suited for both interior and exterior applications. It is a preferred choice for building facades, floor paving in high-traffic commercial spaces, stair treads, and monuments. Its durability also makes it suitable for kitchen countertops, lobby walls, and various decorative elements.
Comparing Hamedan Granite Stone with Similar Products
This comparison table helps professionals evaluate technical specifications and suitability across different granite varieties to make an informed procurement decision.
| Feature | Hamedan Granite Stone | Serkan Black Granite | Borujerd Granite Stone | Alamut Black Granite |
|---|---|---|---|---|
| Primary Colors | Black, Gray, White | Black | Cotton White, Light Gray, Black (Grains) | Black, White (Crystalline Grains) |
| Suitable Space | Indoor & Outdoor | Indoor & Outdoor | Indoor & Outdoor | Indoor & Outdoor |
| Thicknesses | 2 cm, 3 cm | 2 cm, 3 cm | 2 cm, 3 cm | 2 cm, 3 cm, 1.5 cm, 4 cm |
| Finish Types | Polished, Leathered (Honed), Flamed, Sandblasted | Polished, Leathered, Honed | Polished, Leathered, Flamed | Polished, Leathered, Flamed, Honed, Sandblasted, Chiseled, Natural |
| Water Absorption | Less than 0.21 percent (Black River sample) | 0.03 percent | Less than 1 percent (on average) | 0.18 percent |
| Compressive Strength | Up to 1862 kg/cm² (Black River sample) | Approximately 1480 kg/cm² (145 MPa) | Approximately 1160 kg/cm² (varies by quarry) | 1440 MPa |
| Abrasion Resistance | High | 4 (excellent grade) | High | 3.3 (standard unit) |
| Porosity | Very low (near zero) | Slight (less than 0.5%) | Low (proportional to water absorption less than 1%) | Up to 2.5 percent |
Which one to choose?
- If high compressive strength and very low porosity for heavy-duty flooring are your priorities, Hamedan Granite Stone is a robust choice, though it offers fewer thickness variations compared to Alamut Black.
- If you require an extremely low water absorption rate for sensitive environments, Serkan Black Granite is highly suitable, though its color palette is strictly limited to black.
- If your project requires lighter tones like Cotton White or Light Gray for a minimalist aesthetic, Borujerd Granite Stone is the most appropriate, though it generally has higher average water absorption than the black varieties.
- If you need diverse thickness options (1.5 cm to 4 cm) or specialized natural finishes like Chiseled, Alamut Black Granite provides more versatility, despite having a higher porosity range.
Key Selection and Installation Notes
Hamedan Granite is characterized by its exceptional durability and low water absorption (less than 0.21%), making it a reliable choice for both heavy-duty flooring and exterior facades. When selecting this stone, consider the specific finish required for the intended use: for exterior paving or high-traffic areas prone to slipping, a flamed or sandblasted finish is recommended to provide a non-slip surface.
Regarding installation, while its low porosity is a significant technical advantage, the stone's density and weight mean it may require specific high-performance adhesives to ensure optimal bonding. For large-scale architectural projects, always account for the stone's load-bearing weight in the structural calculations. As with all natural stones, it is advisable to inspect each batch for natural variations in color or texture—such as the Cotton Flower pattern—and to check for any natural fissures before installation. Once installed, the stone requires minimal maintenance, generally needing only periodic cleaning with a neutral pH detergent to preserve its polished or textured appearance.
Primary Architectural Applications
Hamedan Granite is characterized by its exceptional durability and low water absorption (less than 0.21%), making it a reliable choice for both heavy-duty flooring and exterior facades.
Pros & Cons
To ensure a transparent selection process for architects and contractors, please consider the following technical advantages and requirements of Hamedan Granite:
- Pros: Exceptional durability, high abrasion resistance, and excellent weather resistance for outdoor environments.
- Cons: High density and weight (requires structural load-bearing considerations) and the necessity for specific high-quality adhesives for optimal bonding.
Solution: Consult our experts for specific installation requirements and structural compatibility.
When selecting this stone, consider the specific finish required for the intended use: for exterior paving or high-traffic areas prone to slipping, a flamed or sandblasted finish is recommended to provide a non-slip surface.
Regarding installation, while its low porosity is a significant technical advantage, the stone's density and weight mean it may require specific high-performance adhesives to ensure optimal bonding. For large-scale architectural projects, always account for the stone's load-bearing weight in the structural calculations. As with all natural stones, it is advisable to inspect each batch for natural variations in color or texture—such as the Cotton Flower pattern variation—and to check for any natural fissures before installation. Once installed, the stone requires minimal maintenance, generally needing only periodic cleaning with a neutral pH detergent to preserve its polished or textured appearance.
Frequently Asked Questions
How to maintain Hamedan Granite?
To preserve the stone's natural appearance and longevity, we recommend using cleaners with a neutral pH. Avoid acidic or highly abrasive chemicals, as these can etch the polished surface or degrade the texture over time. While Hamedan Granite has very low porosity (less than 0.21% in Black River samples), periodic professional sealing is advised to maintain its optimal resistance to stains and environmental moisture.
Is it suitable for outdoor use?
Yes, Hamedan Granite is highly durable and suitable for both indoor and outdoor applications. Its low water absorption and high compressive strength (up to 1862 kg/cm²) make it an excellent choice for building facades, yard paving, and exterior landscaping where exposure to weather and heavy foot traffic is a factor.
What finishes are available for this stone?
Depending on your project requirements, Hamedan Granite can be processed in several finishes:
- Polished: Provides a high-gloss finish, ideal for indoor flooring, walls, and decorative elements.
- Leathered (Honed): Offers a subtle, textured feel with a matte appearance, suitable for a natural look.
- Flamed: Highly recommended for exterior paving and high-traffic areas to provide a slip-resistant surface.
- Sandblasted: Creates a heavy, pronounced texture for specific architectural needs or enhanced safety in wet environments.
| Stone Type | Granite |
| Suitable for | Indoor & Outdoor |
| Texture | Granular |
| Mine | Hamedan (Tuyserkan, Ganjnameh, Kahanush) |
| Colors | Black، Gray، White |
| Qualities | Grade 1، Grade 2، Super، Export Grade |
| Thicknesses | 2 cm، 3 cm |
| Compressive | Up to 1862 kg/cm² (Black River sample) |
| Abrasion | High - suitable for high-traffic floors and headstones |
| Water Abs. | Less than 0.21 percent (Black River sample) |
| Porosity | Very low (near zero) |
How does Hamedan Granite perform in exterior climates subject to freezing temperatures?
Hamedan Granite offers high resistance to freeze-thaw cycles and weathering due to its low porosity and minimal water absorption of around 0.12%. Its compressive strength reaches up to 191 MPa, ensuring long-term structural durability on exterior building facades and outdoor paving.
What is the aesthetic difference between standard Hamedan Granite and Ekbatan Granite?
While standard Hamedan Granite offers a uniform grey or light grey background, Ekbatan Granite features a distinctive coarse-grained texture with a contrasting black-and-white Cotton Flower pattern. Both stones share high mechanical strength, but Ekbatan is chosen for bold, classic aesthetics.
Which surface finishes are recommended for Hamedan Granite in high-traffic or outdoor flooring?
A flamed, sandblasted, or bush-hammered finish is ideal for exterior paving and wet walkways to provide slip resistance. For interior commercial floors, countertops, and stair treads, polished and honed finishes highlight the stone's dense crystalline texture.
What installation adhesive requirements apply to Hamedan Granite due to its low absorption rate?
Because Hamedan Granite is extremely dense with near-zero porosity, it requires specialized bonding adhesives rather than standard mortar to achieve proper adhesion. Before setting, slabs should also be inspected for natural fissures, especially when intended for load-bearing applications.
What routine maintenance is required to preserve Hamedan Granite surfaces?
Due to its dense igneous composition and high abrasion resistance, Hamedan Granite requires minimal ongoing maintenance. Regular surface cleaning with a neutral pH detergent is sufficient to maintain its color and finish over time.
