Black Slate Stone for Landscaping
Our quality inspection process includes checking surface flatness and measuring thickness tolerance. We control dimensional errors within 2 millimeters.
Polishing And Finishing Workshop
Our factory is equipped with professional polishing and finishing equipment. Black slate stone for landscaping is one of our main dark-colored landscape materials.
The stone features a consistent pure black color throughout with a dense structure. We carefully control color consistency during raw material selection and reject blocks with obvious variations.
The surface can be processed with different finishing methods. We provide polished surfaces as well as acid-washed matte finishes. The matte surface feels smooth and refined after treatment.
Our workers inspect the uniformity of every finished surface. We do not rely only on machine processing. Each piece receives manual re-inspection to ensure stable appearance and quality.
The material offers a sleek and modern appearance for outdoor projects. Many architects prefer this material for contemporary landscape designs.
Physical Strength And Quality Standards
The stone provides strong physical performance with compressive strength reaching 45 MPa or above. Water absorption remains below 1.0%, showing its dense structure and good durability.
Our quality inspection process includes checking surface flatness and measuring thickness tolerance. We control dimensional errors within 2 millimeters.
Our 30-person team includes specialists experienced in dark stone processing. This type of stone requires strict surface control, so we use specialized abrasives and polishing pads to maintain consistent gloss and texture.
The finished products are stored in a dust-protected area. This helps keep the matte surfaces clean before shipment.
Modern Applications And Custom Services
The stone is suitable for modern gardens, Zen landscapes, and architectural outdoor designs. Its simple black appearance creates a clean visual effect and works especially well in water features.
The dark surface can create attractive reflections when combined with water elements. We provide material selection advice and finishing recommendations according to project requirements.
Custom shapes and sizes are available based on customer drawings. Sample production is also supported for project confirmation.
We welcome cooperation with high-end landscape contractors and designers. For long-term projects, we can reserve suitable quarry layers to maintain material consistency.
Our team can recommend polished or matte finishes according to your design style and local climate conditions.
Technical Specifications
| Parameter | Specification |
| Size Range | 300 - 6,000 mm |
| Compressive Strength | ≥ 45 MPa |
| Water Absorption | ≤ 1.0% |
| Surface Color | Pure black matte |
| Surface Finish | Polished / Acid-washed matte |
| Material Feature | Completely black, fine texture |
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