Product Details
| Product Name: Chromium（Cr） | CAS No.: 7440-47-3 |
| EC-No.: 231-157-5 | Min. Order: 1KG |
| Purity: N/A | Supply Ability: 20 T |
| Release date: 2026/09/30 |
High-Purity Chromium (Cr) Evaporation Material — granules.
A sublimation material that forms firmly adherent films on heated substrates. Its excellent adhesion makes ultra-thin Cr films an ideal buffer layer for Al, Au, and other coatings, with 50%–55% reflectivity in the visible range and durable, stable performance.
Ideal for optical coatings, neutral-density filters, and enhanced-absorption coatings (Cr-Black).
Mass-produced for:
Optical coatings — buffer and adhesion layers
Optical components — neutral-density filters and absorbing coatings
Functional materials — metal-dielectric thin films
Long-term stable supply across the full value chain.
Company Profile Introduction
Shanghai Sheeny Metal Materials Co., Ltd. ("Eternal-Element"), founded in 2015, is a comprehensive high-tech enterprise dedicated to the R&D, large-scale production, customized sales, and technical services of high-purity new materials. Drawing on the Group's decades of accumulated expertise in rare earth purification, the company has strategically established multiple specialized production bases. Its Longnan facility in Jiangxi is focused on rare earth purification, while its Guangzhou and Foshan bases in Guangdong specialize in high-purity oxide refining. With mature fine-purification technologies and proven mass-production capabilities, the company ensures stable, high-quality output to meet diverse customer needs.
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China- Since: 2015-11-26
- Address: Shanghai / Shanghai City / Fengxian District 2nd Floor, No.10, Lane 255, Xiaotang Road
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