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National Orange Limestone

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  • National Orange Limestone
  • National Orange Limestone Tile
  • National Orange Limestone Slab
About
Material Type: Limestone
Origin:ChinaChina (Henan province)
Priamry Color(s): Brown
Accent Color(s): Brown,Grey,Gold
Recommended Usage:Kitchen and bathroom countertops, monuments, building stone, ornamental stone, building stone, stairs, interior wall and floor applications, mosaic, waterjet pattern, wall panels, table tops, columns, fireplace surround
Additional Names:Guó Chéng Limestone,Orange-Brown Limestone,Grainy Guocheng Limestone,In China Stone Market: 国橙 (Guó Chéng)
Finished Surface:Polished,Bush Hammered,Tumbled,Brushed,Honed,Split,Machine Cut,Natural Surface,Sandblasted,Acid Washing,Combed,Leathered,Water Jet,Filled,Chiseled,Pickling
Testing
Water Absorption:0.6% - 0.8% by weight
Density:2500 - 2700 Kg/m³
Flexural Strength:8 - 12 MPa
Compressive Strength:90 - 130 MPa
Description

National Orange Limestone is a distinctive, medium to large grain limestone quarried in Henan Province, China. Known for its warm cedar brown base with subtle earth gray shades and tawny hues, this limestone features a conglomerated structure that makes it a unique choice for various architectural applications.

Texture and Pattern:

Texture: Medium to large grain with a slightly rough, natural texture due to its conglomerated composition.

Pattern: The stone showcases a warm cedar brown base, interspersed with tawny and gray hues, giving it a rustic and natural aesthetic. The varying grain sizes add depth and dimension, making each slab distinct and appealing.

Test Results:

Density (g/cm³): 2.50 - 2.70 g/cm³

Compressive Strength (MPa): 90 - 130 MPa

Flexural Strength (MPa): 8 - 12 MPa

Water Absorption Rate: 0.6% - 0.8%

Porosity: 0.5% - 0.8%

Slip Resistance (Dry): 0.65 - 0.75 Slip Resistance (Wet): 0.45 - 0.55

Chemical and Mineral Composition (% by weight):

  • Calcium Carbonate (CaCO3): 85% - 90%
  • Quartz (SiO2): 5% - 7%
  • Clay Minerals: 3% - 4%
  • Iron Oxides (Fe2O3): 1% - 2%
  • Magnesium Oxide (MgO): 0.5% - 1%

Hardness:

Mohs Hardness: 3 - 4 Due to its moderate hardness, National Orange Limestone is ideal for interior and exterior applications but requires sealing and protection for heavy-duty areas.

Porosity:

Porosity Range: 0.5% - 0.8% Low to medium porosity ensures durability and resistance to weathering, though regular sealing is recommended to maintain its surface integrity and prevent water infiltration.

Slip Resistance:

Slip Resistance (Dry): 0.65 - 0.75 (suitable for dry conditions)

Slip Resistance (Wet): 0.45 - 0.55 (suitable for exterior use with a non-polished finish)

Usage:

National Orange Limestone is versatile and can be used for various applications, including:

  • Flooring: Suitable for both indoor and outdoor flooring. Honed and brushed finishes provide excellent slip resistance.
  • Wall Cladding: Adds a natural and earthy look to interior and exterior walls.
  • Countertops and Vanity Tops: Perfect for bathroom and kitchen surfaces, though sealing is recommended
  • Pavers and Pool Copings: Ideal for outdoor landscaping due to its weather-resistant properties.
  • Architectural Elements: Used for window sills, columns, stair treads, and decorative features.

Maintenance:

To maintain the beauty and durability of National Orange Limestone:

  • Regular Cleaning: Use a pH-neutral cleaner and a soft cloth or mop to clean the surface. Avoid harsh chemicals or acidic solutions.
  • Sealing: Apply a high-quality sealant annually to prevent stains and maintain its natural luster.
  • Scratch Prevention: Avoid dragging heavy objects across the surface to prevent scratches and wear.

Cutting Sizes (cm):

National Orange Limestone is available in various standard and custom sizes:

  • Slabs: 120 x 240 cm, 160 x 320 cm, and custom sizes.
  • Tiles: 30 x 30 cm, 60 x 60 cm, 60 x 120 cm, 100 x 100 cm, and custom cut-to-size pieces.
  • Thickness Options: Available in 2 cm and 3 cm for slabs and 1.5 cm to 2 cm for tiles.

Surface Finish Options:

National Orange Limestone is available in multiple finishes to suit diverse applications:

  • Polished Finish: High-gloss surface that enhances the natural color and veining, ideal for interior applications.
  • Honed Finish: Smooth, matte surface that provides a soft and subtle look while maintaining slip resistance.
  • Brushed Finish: Lightly textured surface with a slightly weathered appearance, suitable for indoor and outdoor use.
  • Sandblasted Finish: Rougher surface with increased slip resistance, ideal for outdoor areas such as pool surrounds.
  • Tumbled Finish: Provides a rustic, antique appearance with softened edges, suitable for outdoor landscaping and decorative features.
  • Leathered Finish: Slightly textured and matte, enhancing the natural texture and veining while providing better grip.

National Orange Limestone is a durable and elegant natural stone with warm cedar brown tones, gray shades, and tawny hues. Its versatility makes it suitable for a wide range of applications, including flooring, wall cladding, countertops, and outdoor landscaping. With low porosity, moderate hardness, and various surface finishes available, it is an excellent choice for both residential and commercial projects. Proper maintenance and periodic sealing ensure the longevity and beauty of this unique limestone.

FAQ Ask a Question
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Can scratches in National Orange Limestone floor tiles be fixed?

Yes, scratches in National Orange Limestone floor tiles can often be fixed. One solution is to use a limestone repair kit, which typically includes a filling compound that can be applied to the scratched areas. The compound is then buffed and polished to blend in with the surrounding tile. Alternatively, you can hire a professional stone restoration company to repair the scratches for you. They may use specialized techniques such as honing and polishing to restore the appearance of the limestone tiles. It is important to address scratches promptly to prevent them from becoming more noticeable and potentially causing further damage to the tiles.
Yes, scratches in National Orange Limestone floor tiles can often be fixed. One solution is to use a limestone repair kit, which typically includes a filling compound that can be applied to the scratched areas. The compound is then buffed and polished to blend in with the surrounding tile. Alternatively, you can hire a professional stone restoration company to repair the scratches for you. They may use specialized techniques such as honing and polishing to restore the appearance of the limestone tiles. It is important to address scratches promptly to prevent them from becoming more noticeable and potentially causing further damage to the tiles.
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Will National Orange Limestone crack around a fireplace?

National Orange Limestone is a type of limestone that is known for its durability and resistance to cracking. However, like all natural stone materials, it is still possible for it to crack under certain conditions. If the National Orange Limestone is installed properly and maintained well, it should not crack around a fireplace. It is important to make sure that the stone is sealed properly to protect it from heat, moisture, and other potential sources of damage. Additionally, using a proper substrate and mortar when installing the stone can help prevent cracking. Overall, National Orange Limestone is a good choice for use around a fireplace, but proper care and maintenance are important to ensure that it remains in good condition.
National Orange Limestone is a type of limestone that is known for its durability and resistance to cracking. However, like all natural stone materials, it is still possible for it to crack under certain conditions. If the National Orange Limestone is installed properly and maintained well, it should not crack around a fireplace. It is important to make sure that the stone is sealed properly to protect it from heat, moisture, and other potential sources of damage. Additionally, using a proper substrate and mortar when installing the stone can help prevent cracking. Overall, National Orange Limestone is a good choice for use around a fireplace, but proper care and maintenance are important to ensure that it remains in good condition.
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Does National Orange Limestone countertop crack easily?

National Orange Limestone is a natural stone material that is known for its durability and resistance to cracking. However, like any natural stone material, it is still possible for National Orange Limestone countertops to crack under certain circumstances. Factors that can contribute to cracking include heavy impact damage, excessive force or weight placed on the countertop, or improper installation. Additionally, National Orange Limestone is a porous material, so if it is not properly sealed and maintained, it can be more susceptible to damage. Overall, National Orange Limestone countertops are relatively durable and should not crack easily with proper care and maintenance.
National Orange Limestone is a natural stone material that is known for its durability and resistance to cracking. However, like any natural stone material, it is still possible for National Orange Limestone countertops to crack under certain circumstances. Factors that can contribute to cracking include heavy impact damage, excessive force or weight placed on the countertop, or improper installation. Additionally, National Orange Limestone is a porous material, so if it is not properly sealed and maintained, it can be more susceptible to damage. Overall, National Orange Limestone countertops are relatively durable and should not crack easily with proper care and maintenance.
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How should I clean National Orange Limestone kitchen countertop?

To clean a National Orange Limestone kitchen countertop, follow these steps: 1. Start by wiping down the countertop with a damp cloth to remove any surface dirt and debris. 2. Mix a few drops of mild dish soap with warm water in a bucket or spray bottle. 3. Use a sponge or soft cloth to gently scrub the countertop with the soapy water solution. 4. Rinse the countertop thoroughly with clean water to remove any soap residue. 5. Dry the countertop with a clean, dry cloth to prevent water spots. 6. For tough stains or built-up grime, create a paste of baking soda and water and gently scrub the affected area with a soft brush or sponge. 7. Avoid using harsh chemicals or abrasives on National Orange Limestone as these can damage the surface. 8. Consider sealing the countertop with a limestone sealer to help prevent stains and damage in the future. Regular cleaning and maintenance will keep your National Orange Limestone kitchen countertop looking beautiful for years to come.
To clean a National Orange Limestone kitchen countertop, follow these steps: 1. Start by wiping down the countertop with a damp cloth to remove any surface dirt and debris. 2. Mix a few drops of mild dish soap with warm water in a bucket or spray bottle. 3. Use a sponge or soft cloth to gently scrub the countertop with the soapy water solution. 4. Rinse the countertop thoroughly with clean water to remove any soap residue. 5. Dry the countertop with a clean, dry cloth to prevent water spots. 6. For tough stains or built-up grime, create a paste of baking soda and water and gently scrub the affected area with a soft brush or sponge. 7. Avoid using harsh chemicals or abrasives on National Orange Limestone as these can damage the surface. 8. Consider sealing the countertop with a limestone sealer to help prevent stains and damage in the future. Regular cleaning and maintenance will keep your National Orange Limestone kitchen countertop looking beautiful for years to come.
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Is National Orange Limestone floors easily scratched?

National Orange Limestone floors are not easily scratched as they are a durable and dense type of limestone. However, like any natural stone, they can still be susceptible to scratching if not properly cared for and maintained. It is important to regularly clean and seal limestone floors to protect them from scratches and other damage. Additionally, placing protective pads under furniture legs and using area rugs in high traffic areas can help prevent scratching.
National Orange Limestone floors are not easily scratched as they are a durable and dense type of limestone. However, like any natural stone, they can still be susceptible to scratching if not properly cared for and maintained. It is important to regularly clean and seal limestone floors to protect them from scratches and other damage. Additionally, placing protective pads under furniture legs and using area rugs in high traffic areas can help prevent scratching.
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Will heat damage National Orange Limestone countertops?

National Orange Limestone is a type of natural stone that is known for its durability and resistance to heat. However, excessive heat can still cause damage to the surface of the countertops. It is always best to use trivets or hot pads when placing hot pots or pans directly on the surface to prevent any potential heat damage. Additionally, avoid placing any hot items directly from the oven or stovetop on the countertops to prevent any potential damage. Taking these precautions will help preserve the appearance and integrity of your National Orange Limestone countertops.
National Orange Limestone is a type of natural stone that is known for its durability and resistance to heat. However, excessive heat can still cause damage to the surface of the countertops. It is always best to use trivets or hot pads when placing hot pots or pans directly on the surface to prevent any potential heat damage. Additionally, avoid placing any hot items directly from the oven or stovetop on the countertops to prevent any potential damage. Taking these precautions will help preserve the appearance and integrity of your National Orange Limestone countertops.
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How to repair the cracked National Orange Limestone stair steps edge?

1. Clean the cracked area thoroughly with a brush and water to remove any dirt and debris. 2. Use an angle grinder with a diamond blade to carefully remove any loose or damaged pieces of limestone along the cracked edge. 3. Mix a small amount of limestone repair mortar according to the manufacturers instructions. Make sure the mortar matches the color of the National Orange Limestone. 4. Apply the mortar to the cracked edge of the stair step using a putty knife, filling in the crack and smoothing it out as you go. 5. Use a damp cloth or sponge to remove any excess mortar from the surface of the limestone. 6. Allow the repaired area to dry completely as per the mortar manufacturers instructions. 7. Sand down any rough edges or excess mortar with sandpaper to ensure a smooth finish. 8. Seal the repaired area with a limestone sealer to protect it from further damage and to help it blend in with the surrounding stone. 9. Regularly clean and maintain the limestone stair steps to prevent future cracks and damage.
1. Clean the cracked area thoroughly with a brush and water to remove any dirt and debris. 2. Use an angle grinder with a diamond blade to carefully remove any loose or damaged pieces of limestone along the cracked edge. 3. Mix a small amount of limestone repair mortar according to the manufacturers instructions. Make sure the mortar matches the color of the National Orange Limestone. 4. Apply the mortar to the cracked edge of the stair step using a putty knife, filling in the crack and smoothing it out as you go. 5. Use a damp cloth or sponge to remove any excess mortar from the surface of the limestone. 6. Allow the repaired area to dry completely as per the mortar manufacturers instructions. 7. Sand down any rough edges or excess mortar with sandpaper to ensure a smooth finish. 8. Seal the repaired area with a limestone sealer to protect it from further damage and to help it blend in with the surrounding stone. 9. Regularly clean and maintain the limestone stair steps to prevent future cracks and damage.
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Is National Orange Limestone countertop heat resistant?

Yes, National Orange Limestone is generally heat resistant as it is a type of natural stone. However, it is always recommended to use trivets or heat pads under hot pots and pans to prevent any potential damage to the countertop surface. Excessive heat can cause the stone to crack or discolor over time.
Yes, National Orange Limestone is generally heat resistant as it is a type of natural stone. However, it is always recommended to use trivets or heat pads under hot pots and pans to prevent any potential damage to the countertop surface. Excessive heat can cause the stone to crack or discolor over time.
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Can 2cm thick National Orange Limestone be used for stairs?

Yes, 2cm thick National Orange Limestone can be used for stairs, but it may not be as durable or sturdy as thicker materials. It is important to consider the weight and traffic that the stairs will endure, as thinner materials may be more prone to cracking or breaking under heavy use. Additionally, proper installation and support will be required to ensure the safety and stability of the stairs. It is recommended to consult with a professional to determine the best thickness and type of limestone for your specific project.
Yes, 2cm thick National Orange Limestone can be used for stairs, but it may not be as durable or sturdy as thicker materials. It is important to consider the weight and traffic that the stairs will endure, as thinner materials may be more prone to cracking or breaking under heavy use. Additionally, proper installation and support will be required to ensure the safety and stability of the stairs. It is recommended to consult with a professional to determine the best thickness and type of limestone for your specific project.
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Is National Orange Limestone good for kitchen countertops?

National Orange Limestone is not typically recommended for use as a kitchen countertop material. Limestone is a softer and more porous stone compared to other natural stones like granite or quartz, making it more prone to scratching, staining, and heat damage in a high-traffic area like a kitchen. Additionally, limestone requires regular sealing and maintenance to prevent damage from spills and stains. It is generally considered better suited for use in areas with less wear and tear, such as bathroom countertops or flooring. It is important to consider these factors before choosing National Orange Limestone for kitchen countertops.
National Orange Limestone is not typically recommended for use as a kitchen countertop material. Limestone is a softer and more porous stone compared to other natural stones like granite or quartz, making it more prone to scratching, staining, and heat damage in a high-traffic area like a kitchen. Additionally, limestone requires regular sealing and maintenance to prevent damage from spills and stains. It is generally considered better suited for use in areas with less wear and tear, such as bathroom countertops or flooring. It is important to consider these factors before choosing National Orange Limestone for kitchen countertops.
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