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G332 Granite

G332 GraniteG332 GraniteG332 Granite
G332 Granite

Black - Granite

China

About

Item Details

Material Type:
Granite
Origin:
China (Hebei province)
Primary Color(s):
Black
Recommended Usage:
Kitchen and bathroom countertops, monuments, building stone, ornamental stone, stairs, interior, exterior wall and floor applications, mosaic, waterjet pattern, wall panels, table tops, window sills, balustrades, columns, wall and pool copings, pool pavers, sculptures, fireplaces, pavers, cobbles, curbstone
Additional Names:
New Hebei Black Granite, Sesame Black Granite, Hebei Black Granite, China Black Pearl Granite, in China Stone Market:河北黑(Héběi Hēi), 新河北黑(Xīn Héběi Hēi), G332 Granite
Finished Surface:
Polished,Flamed,Bush Hammered,Tumbled,Brushed,Honed,Split,Machine Cut,Natural Surface,Sandblasted,Acid Washing,Combed,Leathered,Water Jet,Filled,Chiseled,Pickling

Testing

Water Absorption:
0.18% – 0.25%
Density:
2630–2680 kg/m³
Flexural Strength:
~17 MPa (≈2,470 psi)
Compressive Strength:
180 – 210 MPa (≈26,100 – 30,450 psi)

Description

G332 Granite, also known as China Black, Hebei Black Granite, or Sesame Black Granite, is a dense, high-hardness dark natural stone quarried in northern China. It features a fine-grained, uniform black-and-grey colour pattern and is widely used for kitchen countertops, floor tiles, monuments, memorials, exterior paving, and other architectural applications.

  • Type: Natural Granite
  • Origin: Hebei Province, China
  • Color: Medium to dark gray-black with fine, uniform white and light gray specks
  • Texture: Fine-grained
  • Common Name: Sesame Black Granite
  • Commercial Use Name: G332

Visual Characteristics

  • Texture: Fine-grained, compact, and uniform crystalline structure
  • Pattern: Speckled with light gray and white mineral inclusions on a dark gray to black background
  • Aesthetic Appeal: Minimalist, modern, and clean—suitable for large surface areas requiring consistency

Physical Properties

  • Density (ASTM C97) .... 2.63 – 2.68 g/cm³ (2630–2680 kg/m³)
  • Water Absorption (ASTM C97) .... 0.18% – 0.25%
  • Compressive Strength (ASTM C170) .... 180 – 210 MPa (≈26,100 – 30,450 psi)
  • Flexural Strength (ASTM C880) .... ~17 MPa (≈2,470 psi)
  • Abrasion Resistance (ASTM C241) .... High – 38–42 Ha
  • Slip Resistance (DIN 51130 / ASTM) .... R11–R13 (depending on finish)
  • Hardness (Mohs Scale) .... 6.5 – 7
  • Porosity .... Low (~0.2 – 0.4%)
  • Weather Resistance .... Excellent (freeze-thaw proof)

Chemical Composition (% by weight)

  • Silicon Dioxide (SiO2) .... 68–74%
  • Aluminum Oxide (Al2O3) .... 12–14%
  • Iron Oxide (Fe2O3) .... 1.5–3%
  • Calcium Oxide (CaO) .... <1.5%
  • Magnesium Oxide (MgO) .... <1%
  • Sodium + Potassium Oxides (Na2O + K2O) .... 6–8%
  • Other Minerals .... Trace elements

Mineralogical Composition (% by weight)

  • Quartz .... 25–30%
  • Feldspar (Plagioclase & Orthoclase) .... 50–60%
  • Biotite / Hornblende .... 10–15%
  • Accessory Minerals .... <1%

Available Surface Finishes

  • Polished .... Glossy surface, deepens color, easy to clean
  • Honed .... Smooth matte, non-reflective, interior walls/floors
  • Flamed .... Rough texture, slip-resistant, ideal for exteriors
  • Bush-Hammered .... Coarse texture, anti-slip, public areas
  • Leathered .... Soft tactile finish with movement
  • Sandblasted .... Lightly textured and muted surface tones

Cutting Sizes (cm)

Slabs: 260 x 160 cm (±), in 2 cm / 3 cm thickness

Standard Tiles:

  • 30 x 30
  • 30 x 60
  • 60 x 60
  • 60 x 120
  • Custom sizes on request

Recommended Applications

Exterior

  • Paving & Landscaping: Curbstones, sidewalks, squares
  • Facade Cladding: Dry or wet cladding systems

Interior

  • Flooring: High-traffic areas like malls and airports
  • Countertops & Vanities: In honed or polished finish

Memorials & Monuments: Tombstones and sculptures

Public Infrastructure: Stairs, benches, bridge edges

Maintenance Guidelines

  • Daily Cleaning: Water and pH-neutral cleaner
  • Sealing: Optional for polished interior use; recommended outdoors
  • Resistance: UV, freeze-thaw, abrasion, and acid rain-resistant
  • Lifecycle: Long-lasting with minimal care requirements

Summary

G332 Granite, known for its dense fine-grained structure, high mechanical strength, and minimal water absorption, is one of China's most popular and trusted construction stones. Its elegant neutral appearance, long-term durability, and multiple finish options make it highly versatile in both residential and public space applications.

FAQ

Can China's G332 Granite be used exterior applications in cold climates?

Yes, Chinas G332 Granite can be used for exterior applications in cold climates. Granite is known for its durability and ability to withstand harsh weather conditions, including freezing temperatures. G332 Granite, specifically, is a type of granite commonly used for exterior paving, cladding, and countertops. It has a high resistance to frost and can withstand the expansion and contraction that occurs with temperature fluctuations. However, it is always important to ensure proper installation and maintenance to maximize the longevity and performance of any natural stone in cold climates.

Can China's G332 Granite be used in landscaping?

Yes, Chinas G332 Granite can be used in landscaping. G332 Granite is a gray-colored granite that is popular in the construction industry for its durability, low maintenance, and aesthetic appeal. It is commonly used in landscaping projects for walkways, patios, retaining walls, steps, and other outdoor features. Its natural beauty, resistance to weathering, and ability to withstand heavy foot traffic make it a suitable choice for various landscaping applications.

What is the coefficient of friction of Filled China's G332 Granite tiles?

The coefficient of friction of Filled Chinas G332 Granite tiles can vary depending on various factors such as the surface finish, tile thickness, and the condition of the tile surface. It is recommended to contact the specific manufacturer or supplier of the tiles for the most accurate and up-to-date information on the coefficient of friction for their particular product.

Can China's G332 Granite be used in a office?

Yes, Chinas G332 Granite can be used in an office. G332 Granite is a type of granite that is commonly used for countertops, flooring, and wall cladding due to its durability, strength, and visual appeal. It is a versatile material that can add a touch of elegance and luxury to the office space. However, the specific use of granite in an office may depend on the design preferences and requirements of the office.

How thick is China's G332 Granite slabs?

The thickness of Chinas G332 Granite slabs can vary, but the most common thicknesses range between 2 cm (0.79 inches) and 3 cm (1.18 inches). However, it is important to note that this may vary depending on the specific supplier or manufacturer.

What grade is China's G332 Granite?

Chinas G332 Granite is usually considered a commercial-grade granite, which is commonly used for interior and exterior purposes such as countertops, flooring, and wall cladding. It is known for its durability and affordable price.

Can China's G332 Granite be used outdoors?

Yes, Chinas G332 Granite can be used outdoors. It is a durable and weather-resistant material, making it suitable for various outdoor applications such as paving, cladding, garden features, and outdoor furniture. However, it is always recommended to consult with professionals and consider the specific requirements and conditions of the project before finalizing the use of any material.

Are there color variations of China's G332 Granite?

Yes, there are certain color variations of G332 granite in China. G332 granite is known for its consistent base color of dark gray or black with small white or cream-colored speckles. However, there can be slight variations in the intensity of these speckles, leading to different color variations within the range of G332 granite. Some variations may have more prominent white speckles, while others may have smaller or fainter speckles. These variations may occur naturally in the stone or can be created during the manufacturing process. It is always recommended to check with suppliers or manufacturers for specific color options and variations available in G332 granite.

Is China's G332 Granite an expensive stone?

I dont have real-life experience with buying stones, including Chinas G332 Granite. However, generally speaking, the price of G332 Granite can vary depending on factors such as quality, size, color, and supplier. Some sources indicate that it is relatively affordable compared to other types of granite, while others suggest it is more expensive due to its popularity and high demand. Ultimately, the cost of G332 Granite will depend on various factors, and interested buyers should research prices from several sources before purchasing to ensure they get a fair deal.

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