
Black Mirror Stainless Steel Sheets
Black is more than just a neutral color, it is a “legendary color” that embodies a level of sophistication, authority, mystery, and depth that no other color can truly replace. From modern and minimalist aesthetics to luxurious interiors, black blends naturally with virtually any design concept.
Black absorbs light, creating a sense of infinite depth while softening the boundaries of rigid architectural surfaces, making spaces appear more dimensional and visually layered.
Unlike conventional black materials, Black Mirror Stainless Steel maintains a sense of openness through the reflective qualities of its mirror-like surface, while delicately reflecting surrounding light. When applied as a ceiling finish, it transforms an ordinary flat ceiling into an “endless night sky,” beautifully reflecting the sparkling glow of chandeliers above.
This harmonious balance between light absorption and reflection allows Black Mirror Stainless Steel to create spaces that feel more luxurious, mysterious, and captivating than conventional surface finishes.
-The Art of Light and Shadow


Sapphire’s Proprietary Technology

Stable color regardless of lighting conditions
A deep black appearance that feels intrinsic to the material
Minimal visual change even after short-term contact with cement residue


Color Stainless Steel
Sapphire
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The color of Black mirror stainless steel is achieved through advanced PVD coating technology in a high-vacuum environment. In this process, Titanium or Chromium is heated and vaporized, then combined with specialized gases, allowing the vaporized material to condense and deposit directly onto the stainless steel surface to form a thin, durable, and uniform coating layer. The detailed color specifications are as follows:
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CIE Lab: L:55 / a:1 / b:5 (±2)
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Pantone: 409 C Approx.
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HEX: #89837B Approx.
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CMYK: 0 / 4 / 10 / 46 Approx.
Pantone, HEX and CMYK values are approximate references converted from measured CIE Lab values. Actual appearance may vary depending on lighting, viewing angle, surface reflection and surrounding environment.
Color
Surface Finish
The stainless steel surface is processed through precision polishing to reduce surface roughness and achieve a high-gloss, mirror-like reflective effect. The finished product features an 8K mirror surface capable of reflecting even the finest details with exceptional clarity.
Specifications:
Surface Roughness (Ra) = Below 0.02 𝛍m
Gloss Level (Gu) = Above 600
Production Capacity
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Material Grades: Stainless Steel 304, 201, 430
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Thickness: 0.5mm ~ 2.0mm
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Width: 1000mm, 1219mm, 1250mm
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Length: 1500mm ~ 6000mm


PVD Vacuum Coating
By applying Physical Vapor Deposition (PVD) technology in a vacuum environment, we create a uniform and durable black coating layer.
Equipment
Sapphire applies advanced stainless steel processing technology with high precision.
Our factory system is equipped with modern facilities and machinery designed to meet the strict standards of the B2B manufacturing industry, while also ensuring environmental sustainability and worker safety.
Please contact us to schedule a detailed factory tour.

8K Mirror Polishing
Multi-stage grinding and polishing technology are used to achieve a mirror-like high-gloss finish on the stainless steel surface.

Vibration machine
The stainless steel vibration finishing equipment creates a subtle matte surface texture through non-directional grinding processing.
Project References
Luxurious, refined, and harmonious with a wide range of materials and colors, creating a cohesive and professional overall aesthetic.
A tough, safe, and high-strength metal.
Its reflective finish helps visually overcome the limitations of low ceilings, making spaces feel taller and more open.
Black mirror stainless steel is not designed to steal the spotlight. Instead, it serves as an elegant backdrop where every pair of shoes becomes the star of the display.
Contact
SAPPHIRE CO., LTD
Headquarters:
17 - 1745, Steel Land, 21, Oido-ro, Siheung-si, Gyeonggi-do, Republic of Korea
TEL:031-8041-8952
Fax: 031-8041-8953
Factory 1:
47-53, Dongbuk-ro, 1109 Beon-Gil, Sangdong-myeon, Gimhae-si, Gyeonsangnam-do, Republic of Korea
TEL: 055-311-8828
FAX: 055-311-8829
Factory 2:
Lot A3.1 Dong Ha Industrial Park, Tra Tan Commune, Lam Dong Province, Vietnam





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