Dark Grey Quartz Slabs Manufacturer
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Dark Grey Quartz
LBC Dark Grey Quartz is a classic in our grey quartz series, primarily composed of 40-70 grain raw materials. Its dark grey base color pairs well with kitchen cabinets.
- Code: LQ1303
- Standard Dimensions: 3200x1600mm(126’’x63’’), 3000x1400mm(119’’x56’’), 3000X1600mm(119’’x63’’)
- Jumbo Size: 3200x1800mm(126’’x71’’)
- Super Jumbo Size: 3500x2000mm(138’’x79’’)
- Thickness:12mm, 15mm, 18mm, 20mm, 30mm
- Origin: China
- Delivery Time: 14 days after receiving the deposit
- Payment: T/T
- Stone Type: Quartz
- Collection: Grey Quartz, Solid Color Quartz
- Finish: Polished Surfaces
- Color: Grey
- Customizable: Yes
- Features: High hardness, heat resistance, corrosion resistance.
- Usage: Indoor only
No. | Test Item | Test Method | Result |
1 | Water Absorption | EN 14617-1:2013 | 0.03% |
Apparent Density | 2334 kg/m3 | ||
2 | Flexural Strength | EN 14617-2:2016 | 44.4 MPa |
3 | Abrasion Resistance | EN 14617-4:2012 | 31.7mm |
4 | Impact Resistance | EN 14617-9:2005 | 3.48J |
5 | Chemical Resistance | EN 14617-10:2012 | Classification: C4 |
6 | Linear Thermal Expansion | EN 14617-11:2005 | 32.0×10-6/℃ |
7 | Tactility | Client’s requirement | The surface is smooth. |
8 | Release of danger substances (SVHC 210 substances) | SGS In-House method | The test results of SVHC are ≤ 0.1% (w/w). PASS |












CE Certified
Color Customizable
Eco-friendly
Easy Maintenance

Dark Grey Quartz - Great Quartz Color for Stone Wholesalers
Are you still choosing the right grey stone? Consider our Dark Grey Quartz. It has the texture of concrete grey stone, high hardness, and easy maintenance, making it suitable for various countertops and a high-quality choice in grey stones.
Why Choose LBC Dark Grey Quartz
LBC has been supplying and exporting Dark Grey Quartz slabs for more than 10 years in China. With CE certification and strict quality control, we can ensure the quality of your stone orders.
- Cheap price for wholesale business
- Color can be customized
- Jumbo size and prefab size are available
- Free samples
FAQ
Compared to granite and marble, our dark grey quartz has the following advantages:
- Safe, non-toxic, and radiation-free.
- Color stability, non-porous, and extremely low water absorption.
- Wear-resistant, and easy to clean and maintain.
- Moderately priced and widely used.
Yes. LBC dark grey quartz is made primarily from natural quartz sand, making it absolutely safe for human use. Additionally, its long lifespan demonstrates its eco-friendliness.
Yes. Our grey quartz has passed quality inspections by the authoritative SGS organization, meeting requirements for heat resistance and corrosion resistance, making it ideal for countertops.
Yes. Grey is our main quartz colors, also we have customized over 20 pure grey colors for clients: light grey, dark grey, ash grey. And different size of quartz sand can be copied based on your quartz samples.