Grey Sparkle Quartz Slab
Color: Grey Sparkle
Composition: 93% natural quartz powder, 7% Resin and pigments,etc.
Big Slab: 3200x1600 mm, 3200x1800 mm, 3500x2000 mm
Small Slab: 2440x750 mm, 3000x750 mm
Thickness: 15/18/20/30 mm
Surface finish: Polished, Honed, Leathered
Product Overview
Grey Sparkle quartz from Xiamen Smarter Stone Co., Ltd is a high-density engineered stone slab formulated with 93% natural crushed quartz crystal, 7% high-grade polymer resins, and light-reflecting mirror chips. Engineered for high-volume distributors, kitchen and bath fabricators, and commercial contractors, this grey quartz slab features a neutral soft grey background interspersed with fine, evenly distributed sparkling specks.
As a direct China manufacturer and one-stop service supplier, we supply both raw jumbo slabs and prefabricated quartz countertops. Our factory executes full-scale customization using 5-axis CNC bridge saws and automated polishing lines. Fabrication options include precision cut-to-size panels, undermount sink cutouts, faucet hole drilling, and specialized edge profiling such as flat eased, full bullnose, half bullnose, bevel, ogee, and 45-degree mitered waterfall aprons.
Product Specifications
| Product Name: Grey Sparkle Quartz Slab |
| Material: Artificial Quartz |
| Color: Grey Sparkle |
|
Composition: 93% natural quartz powder, 7% Resin and pigments, etc. |
|
Regular Slab: 3200x1600 mm, 3200x1800 mm, 3500x2000 mm |
|
Thickness: 15/18/20/30 mm |
| Surface finish: Polished, Honed, Leathered |
|
Supplication: Kitchen countertops, island countertops, vanity top, background wall, tiles, and other common occasions. |
|
Features: Easy to clean, highly anti stain, dirt, resist to high temperature, resist to scratch, high hardness 7 Mohs,etc |
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Advantages: own factory and handle export, own brand SQ quartz, produce low silica quartz |
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Silica quartz: low silica or silica free quartz |
Quality Testing
Every production run of Grey Sparkle quartz undergoes a 5-stage factory inspection protocol before container loading at Xiamen port:
Raw Material & Pigment Calibration: Quartz grit size (40-120 mesh) and mirror fleck ratios are weighed via automated batching silos to guarantee uniform sparkle distribution and identical grey base tones across different production dates.
Dimensional & Flatness Verification: Calibrated thickness is strictly held within a ±0.5 mm tolerance. Slabs are laser-checked for flatness, ensuring warpage does not exceed 0.5 mm per linear meter.
Surface Gloss & Defect Audit: Polished slabs must register between 90 and 95 on calibrated gloss meters; matte finishes are verified at 15–20 gloss units. Inspectors check 100% of slab faces under 1000-lux lighting to reject micro-pitting, resin pooling, or edge chipping.
Physical Batch Testing: Random samples from every 500 m² batch are tested in-house for ASTM C97 water absorption, chemical stain resistance (hydrochloric acid, sodium hydroxide, red wine, olive oil), and Barcol hardness (minimum 58).
Export-Grade Packaging: Slabs are separated by protective PET film, bundled face-to-face on heavy-duty steel A-frames or ISPM-15 fumigated hardwood bundles, reinforced with steel strapping and corner edge protectors for zero-breakage sea freight.
Typical Application Scenarios
Residential & Commercial Kitchen Countertops: Non-porous, NSF-certified worktops, waterfall kitchen islands, and full-height backsplashes resistant to knife scratches and acidic food spills.
Hospitality & Multi-Family Bathroom Vanities: Prefabricated single and double-bowl vanity tops, integrated undermount sink surrounds, and shower wall panels for hotels and apartment complexes.
Commercial Interior Wall Cladding & Reception Desks: Large-format grey quartz slab paneling for retail stores, corporate lobbies, healthcare facilities, and airport lounges requiring low-maintenance surfaces.
Custom Architectural Furniture & Bar Tops: Durable tabletops, restaurant service counters, and window sills engineered for high-traffic commercial environments.
More Options
FAQ
Q: Does Grey Sparkle quartz resist staining from cooking oils, wine, and acidic cleaners without sealing?
A: Yes. With a water absorption rate under 0.02% and a dense 93% quartz-resin matrix, Grey Sparkle quartz is completely non-porous. Liquids like red wine, coffee, lemon juice, and cooking oils remain on the surface without penetrating, eliminating the need for chemical sealers throughout its lifespan.
Q: How do you guarantee color and sparkle consistency across multi-container wholesale orders?
A: We use computerized raw material dosing and identical mineral pigment lot numbers for large project allocations. Before shipment, our QC team conducts side-by-side spectrophotometer color checks and retains a physical master sample from your initial batch to match all subsequent container deliveries.
Q: What adhesives and seam tolerances are recommended when installing Grey Sparkle quartz countertops?
A: Fabricators should use a color-matched two-part methyl methacrylate (MMA) or epoxy resin adhesive tinted to neutral dove grey. Maintain a tight 1.0 mm to 1.5 mm seam allowance, clean excess resin with denatured alcohol before curing, and avoid high-heat direct contact above 150°C using trivets.
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