| Stone Form | Big Slab | Design Style | Modern |
| Feature | Waterproof, Eco-Friendly, Fireproof, Durable | Application | Wall, Floor, Indoor, Countertop, Table Top, Exterior Wall |
| Warranty | More Than 15 Years | After-sale Service | Online Technical Support, Return and Replacement |
| Project Solution Capability | Graphic design, 3D model design, total solution | Place of Origin | ShanDong, China |
| Brand Name | RUNPIN | Model Number | 7519 |
| Stone Name | Qurutz ,Calacatta |
Subactegory | O Silica |
| Slab size | 3200*1600mm/3200*1800mm/3200*1850mm/3500*2000 | Thickness | 15/18/20/30mm |
| Flextural Strength | 80 MPa | Surface treatment | Polished, Matte, and customizable |
| Water absorption rate | 0.02% | Material | Quartz powder(90%+),resin |
| Impact-resistant | 14 J |
The crackle pattern of 7519 was inspired by the fine fracture networks seen in certain quartzite and onyx stones, where thousands of hairline veins intersect to form a delicate web. Reproducing that density in engineered quartz required precise pigment dosing and a slow, controlled pressing cycle so the fine lines remain crisp rather than bleeding together. The resulting surface has remarkable depth: from a distance it reads as softly textured white, and up close it reveals an intricate, jewelry-like filigree that rewards inspection.
Manufactured by Shenzhen Runfeng New Material Technology Co., Ltd., a subsidiary of China Resources Building Materials Technology Holdings, 7519 is produced on the Italian BRETON fully automated production line with vacuum vibration, pressing and curing. The slab is formed from natural quartz aggregate (over 90%) blended with high-purity resin and mineral binders, then vibro-compressed under vacuum and heat-cured to deliver a dense, non-porous body with outstanding mechanical strength. Every production batch is checked against the same color and pattern standards, so slabs ordered months apart arrive with matched tone and veining. The result is a surface that resists staining, scratching, moisture, and bacterial growth—qualities that make it suitable for kitchen countertops, healthcare interiors, hospitality surfaces, and high-traffic public spaces.
7519 is a chameleon surface. At full scale it provides a rich, detailed white backdrop that adds interest to kitchens and bathrooms without ever feeling busy. The fine crackle texture also hides daily wear exceptionally well, making it a favorite for high-traffic family kitchens and commercial counters. It pairs with both minimalist and ornate interiors, and its detail levels up simple joinery and plain cabinetry.
From international hotel brands to regional developers, RUNPIN quartz materials have proven their long-term value in demanding commercial and residential environments. The Calacatta-inspired collection has been specified for kitchen islands, bathroom vanities, hotel feature walls, reception desks, and stair details across residential, hospitality, and commercial projects worldwide. The combination of large-format availability, color consistency, and certified performance makes 7519 a reliable choice for international specification teams.
Choosing 7519 reduces environmental pressure on natural stone quarries while delivering the same visual luxury. The dense, non-porous body requires no sealing or chemical treatments, and the long-term durability of the slab ensures it remains in service for decades without replacement. RUNPIN operates with minimum recycled materials, renewable electric energy, and reused process water, and every slab is produced with low-carbon, eco-friendly processes that support green building certification goals.
Day-to-day care for 7519 is simple: wipe with a soft damp cloth and a neutral pH cleaner, rinse, and dry. Avoid harsh acids, alkaline products, and abrasive scrubbers. For polished surfaces, occasional buffing with a quartz-safe polish restores gloss; honed and lychee finishes are inherently forgiving and naturally mask minor marks. Because the body is non-porous, there is no need for sealing, waxing, or periodic re-application of protective coatings—an important cost advantage over natural stone and porcelain alternatives.
The material can be fabricated into large-format wall panels, stair treads, vanity tops, reception desks, bar counters, and sculptural elements. RUNPIN's technical team supports shop drawing review, vein-matching optimization, and on-site installation guidance for complex assemblies, and offers cut-to-size and custom fabrication for projects that require non-standard dimensions, edge profiles, or integrated sink and drain details.