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Space Gray Hemp Granite

Space Gray Hemp GraniteSpace Gray Hemp Granite
Space Gray Hemp Granite

Granite

China

About

Item Details

Material Type:
Granite
Origin:
China
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:
Sesame Gray Granite, Cosmic Gray Linen Granite, Cosmic Gray Granite, Cosmic Grey Granite, Galactic Hemp Gray Granite, Galactic Gray Granite, Astro Hemp Granite, Astro Grey Granite, in China stone market:太空灰麻(Tàikōng Huī Má)
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:
0.20 – 0.40% by weight
Density:
2630 – 2750 Kg/m³
Flexural Strength:
12 – 18 MPa
Compressive Strength:
130 – 160 MPa

Description

Type: Granite

Quarry Origin: China

Stone Category: Medium-grain grey granite

Common Trade Name: Space Gray Hemp Granite

Color Family: Sesame Grey / Silver Grey

Color, Texture & Pattern

  • Base Color : Silver grey to medium sesame grey
  • Grain : Medium grain texture with consistent distribution
  • Pattern : Dispersed black and white mineral grains forming a peppered look
  • Visual Effect : Neutral and modern, suitable for large surface applications
  • Texture : Uniform, natural grain; slightly rough to the touch in flamed/sandblasted finishes

Physical & Mechanical Properties

  • Density : 2.63 – 2.75 g/cm³
  • Water Absorption : 0.20 – 0.40% by weight
  • Porosity : 0.25 – 0.60%
  • Compressive Strength : 130 – 160 MPa
  • Flexural Strength : 12 – 18 MPa
  • Abrasion Resistance : Excellent (low wear rate)
  • Mohs Hardness : 6 – 7
  • Slip Resistance (R-value) : R9 (Polished), R11–R13 (Flamed, Bush-Hammered)

Chemical & Mineral Composition (% by weight)

  • Quartz (SiO2) : 25% – 35%
  • Feldspar (Alkali + Plagioclase) : 50% – 60%
  • Mica (Biotite/Muscovite) : 5% – 10%
  • Iron Oxide (Fe2O3) : 1% – 2%
  • Calcium & Magnesium Oxides : ≤ 1%
  • Other trace minerals : < 1% (e.g., amphiboles)

Typical Applications

  • Exterior paving & cladding
  • Interior flooring & staircases
  • Monuments & memorials
  • Urban landscape elements
  • Kitchen countertops & bathroom vanity tops
  • Window sills & thresholds
  • Industrial and commercial flooring 

Maintenance

  • Sealing : Not always necessary, but optional for polished areas
  • Daily Cleaning : Mild pH-neutral soap and waterHeavy-duty
  • Cleaning : Use granite-specific cleaners
  • Stain Removal : Requires poultice for oil-based stains
  • Weathering Resistance : Excellent for freeze-thaw cycles 

Standard Cutting Sizes (cm)

  • Tiles : 30×30, 60×30, 60×60, 60×90, 80×40, custom cuts
  • Slabs : 240–320 cm x 120–200 cm (2 cm / 3 cm thick)
  • Cut-to-sizeStairs, countertops, skirting, window sills

Available Surface Finish Options

  • Polished : Glossy, enhances natural grain and color
  • Honed : Smooth matte, subtle elegance
  • Flamed : Rough, anti-slip texture for exteriors
  • Bush-Hammered : Pitted, rugged finish for paving or facades
  • Sandblasted : Uniform fine-textured finish, slightly lighter color
  • Leathered : Soft, tactile matte finish, less slippery than polished
  • Water-Jet/Brushed : Optional finishes on request

FAQ

Is Space Gray Hemp Granite floors easily scratched?

Space Gray Hemp Granite floors are very durable and resistant to scratches. However, like any natural stone surface, they can still be susceptible to scratches from sharp or abrasive objects. It is important to properly maintain and care for your Space Gray Hemp Granite floors to prevent scratches, such as regularly cleaning them with a soft cloth or mop and avoiding dragging heavy furniture across the surface. With proper care, your Space Gray Hemp Granite floors should remain looking beautiful and scratch-free for many years.

What can I not put on a Space Gray Hemp Granite countertop?

Avoid putting hot pots and pans directly on a Space Gray Hemp Granite countertop, as extreme heat can cause damage to the surface. Additionally, acidic substances such as vinegar, lemon juice, or harsh cleaning chemicals should not be used on the countertop, as they can etch or stain the surface. Its also a good idea to avoid chopping directly on the countertop with sharp knives, as this can scratch or damage the surface.

Will Space Gray Hemp Granite countertop crack with heat?

Space Gray Hemp Granite countertops are resistant to heat and unlikely to crack under normal cooking conditions. However, extreme heat, such as placing a hot pan directly on the surface, can potentially cause damage. It is recommended to use trivets or hot pads to protect the countertop from heat exposure.

Can I put a hot pan on Space Gray Hemp Granite kitchen countertop?

While granite is known for its heat resistance, it is generally not recommended to place hot pans directly onto any countertop surface, including Space Gray Hemp Granite. This can potentially cause damage to the countertop surface, such as discoloration or cracking. It is best to use trivets or heat-resistant pads to protect your countertop from heat damage.

Is Space Gray Hemp Granite countertop heat resistant?

Yes, Space Gray Hemp Granite countertops are heat resistant to some extent. However, it is always recommended to use trivets or hot pads to protect the countertop from extreme heat sources such as hot pans or pots straight from the stove or oven. Excessive heat can potentially damage the sealant on the granite, causing it to discolor or crack over time.

Is tumbled Space Gray Hemp Granite floor tiles slip resistant?

Tumbled Space Gray Hemp Granite floor tiles do offer some slip resistance due to their natural texture and slightly rough surface. However, it is always recommended to use a sealant or non-slip treatment to increase the slip resistance of the tiles, especially in areas prone to water or moisture. It is important to consult with a professional or the manufacturer for specific slip resistance ratings and recommendations for these particular tiles.

Are glossy polished Space Gray Hemp Granite floors slippery when wet?

Glossy polished Space Gray Hemp Granite floors can be slippery when wet, as the smooth surface and reflective finish may not provide enough traction for walking. It is important to use caution and consider adding non-slip rugs or mats in areas prone to moisture to prevent accidents.

How to make Space Gray Hemp Granite stairs not slippery?

There are a few different methods you can use to make Space Gray Hemp Granite stairs less slippery. Here are some options you can try: 1. Use a non-slip sealant: Applying a non-slip sealant specifically designed for stone surfaces can help create traction on your stairs and reduce the risk of slipping. 2. Add non-slip stair treads: You can purchase non-slip stair treads that can be attached to your granite stairs to provide extra grip and stability. 3. Install stair rugs or mats: Placing non-slip rugs or mats on each step can also help reduce the slipperiness of your granite stairs. 4. Keep stairs clean and dry: Regularly cleaning your stairs and ensuring they are dry can help prevent them from becoming slippery. 5. Add a handrail: Installing a handrail along the edge of your stairs can provide additional support and stability, making it easier to navigate safely. 6. Wear non-slip footwear: Wearing shoes with good traction can also help prevent slipping on your granite stairs. It may be helpful to try a combination of these methods to find the best solution for making your Space Gray Hemp Granite stairs less slippery.

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