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Onyx

As a primary onyx manufacturer and direct stone factory, we process and supply premium translucent onyx blocks, slabs, and tiles. Sourcing directly from our facility allows architects, contractors, and international distributors to secure consistent-quality commercial stone at competitive wholesale prices. As a dedicated supplier, we accommodate precision cut-to-size requirements and execute large-scale bulk orders for luxury hospitality, residential, and commercial interior projects.

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Technical Specifications & Buying Guide

Understanding the physical characteristics of natural onyx is critical for structural planning and backlit installations. As a professional supplier, we process our stone to meet rigorous dimensional and structural standards. Below is the technical parameter matrix for our primary commercial onyx categories.

Onyx Type Apparent Density (kg/m³) Compressive Strength (MPa) Water Absorption (%) Light Transmittance (Typical) Standard Slab Thickness
White Onyx 2580 70.5 0.25% High 15mm / 18mm
Honey / Yellow Onyx 2600 75.2 0.20% Medium - High 15mm / 18mm
Green Onyx 2650 82.0 0.18% Medium 18mm
Pink Onyx 2550 68.4 0.28% High 15mm / 18mm

 

Processing Standards for Fragile Translucent Stone

 

Colors of onyx stone

Resin Impregnation & Fiber Mesh Reinforcement

Every raw onyx block undergoes vacuum resin stabilization before gangsaw slicing. Slabs are coated on the backside with high-tensile fiberglass netting and premium epoxy resin. This process seals micro-fissures without affecting light diffusion or surface clarity.

Calibration & Surface Polishing

Our automatic multi-head polishing lines achieve a surface gloss level exceeding 90 degrees. Slab thickness tolerance is held within +/- 0.5mm using CNC calibrating equipment, ensuring uniform LED light distribution when slabs are installed over backlighting frames.

 

Why Source Onyx Slabs & Fabricated Tiles from Our Factory?

Production Capacity: Equipped with modern gangsaws, 5-axis CNC bridge cutters, and waterjet equipment, yielding over 15,000 m² of onyx slabs and cut-to-size products monthly.

Quality Control Protocol: 100% piece-by-piece inspection covering dimension accuracy, edge profile consistency, surface polish, and backlighting integrity.

Export-Grade Packaging: Slabs are packed in fumigated, heavy-duty wooden bundles with plastic corner protectors, foam padding between sheets, and steel belt reinforcement designed for long-distance sea container freight.

Onyx slab gallary1

FAQ

Q: What is the recommended thickness and lighting setup for backlit onyx installations?

A: Standard 18mm or 20mm solid onyx slabs provide optimal balance between structural integrity and light diffusion. For backlighting, install LED panel lights or LED strips with a CRI > 90 placed 50mm to 100mm behind the stone to avoid hot-spotting and ensure even light coverage.

Q: Can your factory handle custom book-matched onyx orders for hotel reception walls?

A: Yes. We select consecutive slabs cut from the same raw block (sequential cuts A/B/A/B) to create symmetrical, mirror-image patterns. We provide a digital dry-lay preview and layout map for approval before shipment to ensure accurate site installation.

Q: What is your minimum order quantity (MOQ) and standard production lead time?

A: Our standard MOQ for wholesale slabs is one full bundle (approx. 40-50 m²) or a mixed container order. Standard lead time for slab orders is 10 to 15 working days upon deposit confirmation. Custom cut-to-size architectural projects vary based on fabrication complexity.

 

As one of the most professional onyx manufacturers and suppliers in China, we're featured by quality products and good service. Please rest assured to wholesale onyx at competitive price from our factory.

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