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G603 Grey Granite Slab

Color: G603 Grey Granite
Size:2600up*60/70/1400/1600*20mm/30mm etc
Original: Xiamen China
Finished Way: Polished Top Surface

Fast Delievery
Quality Assurance
24/7 Customer Service

Product Introduction

Granite Slab G603 — G603 grey granite slab

Xiamen YoYo Stone operates direct concessions and long-term off-take agreements at the G603 quarry site in Fujian, China, securing raw block supply for large-scale construction runs. Our production facility operates automated diamond gangsaws, multi-head polishing machines, and infrared bridge cutting units capable of producing 25,000 square meters of G603 grey granite slabs monthly.

By maintaining substantial raw block inventory in our stone yard, we eliminate batch-to-batch shade discrepancies that traditionally disrupt multi-phase developments. Every slab run is calibrated, gangsaw-cut, and dry-laid in our factory prior to packing to guarantee physical grain uniformity and precise color matching across entire shipment lots.

Physical Property / Standard	Technical Value / Test Result	Industry Standard / Test Method
Primary Color	Light Grey / Sesame Grey	Visual Identification
Material Type	Natural Fine-Grained Granite	Igneous Rock Classification
Density (Bulk Specific Gravity)	2.65 g/cm3	ASTM C97 / EN 1936
Water Absorption	0.18%	ASTM C97 / EN 13755
Compressive Strength (Dry)	178 MPa	ASTM C170 / EN 1926
Flexural Strength (Rupture)	14.2 MPa	ASTM C99 / EN 12372
Mohs Hardness Scale	6.5 - 7.0	Scratch Hardness Test
Abrasion Resistance	High (18.5 mm wear loop)	EN 14157
Slip Resistance (Flamed Finish)	R11 - R12 rating	DIN 51130
Surface Polish Gloss Level	95+ deg (unwaxed)	Optical Gloss Meter
Thickness Tolerance	+/- 1 mm (Slabs) / +/- 0.5 mm (Cut-to-size)	Digital Caliper Check
Standard Slab Sizes	2400 mm up x 1200 mm up	Gangsaw Maximum Clearance
Standard Thickness Options	15 mm, 18 mm, 20 mm, 30 mm, 50 mm	Custom Specs Available
Available Finishes	Polished, Flamed, Honed, Bush-hammered, Sandblasted, Waterjet	Factory Machine Process

Quality Standards

Quality Control & Inspection Standards

YoYo Stone enforces a rigorous six-stage quality verification protocol for every commercial production run of G655 Granite:

Infrared Laser Calibrated Cutting

All slabs and cut-to-size panels pass through multi-blade infrared bridge saws to lock edge squareness and diagonal length within ∓0.5mm. This prevents joint misalignment and lippage problems during jobsite installation.

Factory Dry-Lay Sequence Testing

For commercial floor and wall orders, panels are fully assembled on our inspection floor according to architectural shop drawings. Inspectors eliminate tone shifts, verify continuous grain flow, and paint sequential numbers on panel sides before packing.

Factory Dry-Lay Sequence Testing

Surface Gloss and Defect Scan

Polished G603 slabs undergo multi-point digital gloss readings to confirm a minimum reflectivity index of 95 degrees across the entire face. Inspectors reject pieces displaying micro-fissures, rust spots, or natural sap lines.

Book-Match & Vein Flow Alignment

Consecutive slabs intended for continuous pattern matching are dry-laid sequentially to ensure uninterrupted vein movement across wide spans. Inspectors verify gradient shifts and edge alignment before stamping corresponding match codes onto the slab backs.

Products Application

Typical Project & Application Scenarios

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Architectural Building & Interior Systems

Covers commercial ventilated facades, multi-unit residential kitchen programs, transit hub flooring (such as airports and metro stations), and interior wall cladding.

This category focuses on dimensional stability, low moisture absorption (less than 0.18%), zero UV degradation under direct sunlight, and high compressive strength (greater than 170 MPa) engineered to withstand heavy rolling loads from baggage carts and maintenance equipment. Slabs are precision CNC-machined directly from CAD files for exact sink cutouts and edge bevels, ensuring uniform fitment and seamless shade consistency across large-scale multi-unit installations.

Heavy-Duty Urban & Exterior Paving

Covers municipal plazas, sidewalk aprons, pool surrounds, step nosings, and pedestrian pathways.

This category relies on textured anti-slip finishes-such as flamed, waterjet, or bush-hammered surfaces (achieving an R11 to R12 slip rating)-to maximize physical traction under wet conditions. Exceptional frost and freeze-thaw resistance prevent surface spalling, while the high quartz mineral composition delivers maximum abrasion resistance against heavy vehicle traffic, road salt exposure, and harsh outdoor weathering over decades of municipal service.

FAQ

Everything You Want To Know

01. How do you control color variation across large-volume G603 granite orders?

We extract raw blocks from dedicated quarry faces with stable mineral composition. Before cutting, blocks are grouped by tone. Finished slabs undergo factory dry-lay matching under standardized lighting, where color-sorted batches are numbered to ensure uniform appearance across large floor and wall areas.

02. What sealant treatments do you recommend for G603 exterior cladding in freezing climates?

We apply penetrating hydro- and oleophobic impregnating sealers at the factory upon client request. This treatment reduces water absorption below 0.1%, preventing moisture ingress that causes spalling, efflorescence, and ice-expansion cracking during extreme winter freeze-thaw cycles.

03. Can G603 grey granite be cut to custom architectural details and curved profiles?

Yes, our facility uses 5-axis CNC machines and waterjet cutters to produce custom radius coping, carved column bases, recessed drain channels, and intricate edge profiles. All cutouts are executed directly from your CAD drawings with sub-millimeter accuracy.

04. What are the container loading limits and weight distribution rules for G603 slab shipments?

We load 20-foot heavy-duty containers up to maximum port weight limits, typically 27 metric tons. A standard 20ft container holds approximately 430 square meters of 20mm slabs or 290 square meters of 30mm slabs, secured in customized wooden A-frames.

05. How does Xiamen YoYo Stone handle physical damage or breakage claims during ocean transit?

Every shipment leaves our yard packed in ISPM 15 heat-treated wood crates with internal foam cushioning and steel band bracing. We photo-document container loading steps and provide full maritime cargo insurance. In rare breakage events, replacement pieces are cut and air-freighted or added to the next shipment.

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