Overview
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Series positioning: Selecting high-end engineering stone inspired by the fish-belly-white quarry tradition, the RUNPIN Quartz Calacatta Series reshapes various spatial styles and practical textures. As a reliable OEM/ODM quartz source manufacturer, RUNPIN creates customizable quartz slabs with natural antibacterial advantages suited for diverse interior design needs.
9515 from the RUNPIN Quartz Calacatta Series represents the brand's commitment to merging natural-stone emotion with engineered precision. Each slab is produced under strict quality control, resulting in a sleek, minimal surface that brings warmth, depth, and unmistakable character to walls, floors, countertops, and feature installations of any scale.
The visual character of 9515 is built around a deep black base enriched by subtle hairline veining. The combination produces a polished Calacatta that captures the atmosphere of natural marble and stone while removing the unpredictability of sourcing and installation. Whether lit by warm interior lamps or flooded with natural daylight, the surface reveals subtle depth and tonal variation that keeps large installations visually alive.
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Key Features
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Engineered to perform in demanding environments, 9515 offers the following key characteristics:
Antibacterial surface protection with optional integrated antibacterial and anion air-purification option, supporting hygienic kitchen, healthcare, and food-service installations.
near-zero water absorption, preventing staining, swelling, mold, and bacterial penetration even in wet areas such as bathrooms, kitchens, and pool surrounds.
Large-format slabs (3200×1600 mm, 3200×1850 mm, 3200×1800 mm, 3500×2000 mm (custom cut-to-size available)) reduce joints in walls, floors, and countertops for a cleaner, more continuous appearance.
Class A1 fire rating, making the surface suitable for tall buildings, public interiors, and projects with strict fire-safety codes.
Mohs hardness 6–7, providing excellent resistance to scratches, knife cuts, and abrasion in daily use.
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Design Inspiration
Inspired by the pure texture of natural quarry stones and delicately refined through mature modern manufacturing craftsmanship, 9515 achieves a precise and sophisticated balance between natural spontaneity and industrial control. Featuring a premium deep black base canvas paired with ultra-fine subtle hairline veining, the slab delivers strong visual presence to firmly anchor interior spaces while maintaining outstanding universal versatility. It performs elegantly across diverse high-end scenarios, including minimalist-style kitchen islands, striking feature walls for luxury hotel lobbies, and serene tranquil bathroom retreats.
Material & Manufacturing
Using the Italian BRETON fully automated production line with vacuum vibration, pressing and curing, Shenzhen Runfeng New Material Technology Co., Ltd. forms 9515 from natural quartz aggregate (≈93%) blended with high-purity resin and mineral binders. The result is an engineered quartz surface that meets international standards for water absorption, hardness, fire rating, and chemical resistance. It is produced in Guangdong, China under strict quality control, with capacity sufficient for large-scale international projects.
Aesthetic Character
9515 presents a sleek, sophisticated and ultra-minimalist high-end aesthetic. Its pure deep black base tone is subtly embellished with fine hairline veining that catches ambient light softly, revealing delicate layered depth and refined texture on large-format full slabs. The material offers refined details for close viewing while maintaining a low-key, pure and inclusive temperament, perfectly coordinating with and supporting various modern interior design languages without visual clutter.
Project References
RUNPIN quartz surfaces have been specified for landmark hospitality, residential, commercial, and public projects across the world. The portfolio demonstrates trust in supply reliability, quality consistency, and design flexibility across scales. 9515 has been considered for kitchen islands, bathroom vanities, hotel feature walls, reception desks, and stair details across residential, hospitality, and commercial projects. The combination of large-format availability, color consistency, and certified performance makes the slab a reliable choice for international specification teams.
Sustainability
Green sustainable concepts run through the entire manufacturing process of 9515. The optimized production line realizes efficient recovery and cyclic reuse of production water and natural aggregate resources, effectively reducing resource consumption and industrial waste. Adopting a low-VOC eco-friendly resin system, the material minimizes harmful volatile emissions. The finished surface meets strict GREENGUARD indoor air quality standards, enabling professional specifiers to confidently apply 9515 in all LEED, BREEAM and WELL-oriented green building certification projects.
Care & Maintenance
Benefiting from its ultra-dense, low-porosity internal structure, 9515 requires no routine sealing treatment and delivers excellent natural resistance against most daily stains and contaminants. For daily maintenance, wipe off all spills in a timely manner, avoid corrosive acidic reagents and abrasive cleaning tools, and use cutting boards and heat-resistant hot pads during daily operation. These simple daily care routines can effectively protect the original surface finish and keep the slab in pristine condition for many years of service.
Customization Options
In addition to conventional standard full-size slabs, RUNPIN provides comprehensive one-stop customized processing and bespoke fabrication services for 9515, including precision cut-to-size panels, intricate waterjet special-shaped cutting, diversified custom edge profiles and integrated sink production. Professional designers can freely match exclusive combinations of custom sizes, surface finishes and edge details to perfectly realize personalized design visions and meet unique project construction requirements.
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