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China Made Diamond Cut Nice Shape Sapphire Crystal Watch Glass
- Категория: >>>
- Поставщик: Shenzhen Weiyi Technology Co. Ltd.Shenzhen Ltd.
Сохранить в закладки 60105018603:
Описание и отзывы
Характеристики
SAPPHIRE CRYSTAL Glass
Features of Sapphire
1. High Strength, High Rigidity, High Anti- Abrasion, High Anti-Heat, High Anti-Corrosion Characteristics
2. Stable Dielectric Constant, Very Low Dielectric Loss, Good Electrical Insulation
3. Excellent Light Transmission
4. Good Thermal Conductivity and High Heat Resistance
| Physical and Mechanical Properties of Sapphire Crystals |
| Chemical Formula | Al2O3 |
| Hardness Mohs: | 9 |
| Compressive strength | GPa 2.0 |
| Density | 3.98 g/cm3 |
| Melting point | 2040 °C |
| Boiling point | 2980 °C |
| Optical transmission range, µm | 0.17 – 5.5 |
| Refractive index at 0.532 µm | n0=1.7717, ne=1.76355 |
Product Effects
Outlined is a sapphire crystal with a classic and simple round cut.
It features multiple facets for a lustrous look. With an anti-scratch finish, this sapphire crystal offers long-lasting sturdiness. Simply complete a fashionable timepiece with this robust sapphire crystal.
1.Material: sapphire or mineral galss
2.Available in various sizes.
3.Excellent craftsmanship.
4.High quality.
Available in customized size.
Watch Glass Product Display:
Certifications
Sapphire crystal glass RoHS Directive Compliance
The EU directive on the Restriction of the Use of Certain Hazardous Substances in Electrical and Electronic Equipment (RoHS) requires that producers of electrical and electronic equipment placed on the market after July 1, 2006 limit the use of certain restricted substances. Products restricts the use of six hazardous materials; more than 0.1% lead, mercury, hexavalent chromium, polybrominated biphenyls (PBBs), or polybrominated diphenyl ethers (PBDEs); or over 0.01% cadmium.
Production Flow
Sapphire Machine display :
Wide range of in-house facilities helps maintain excellent and consistent quality, as well as prompt and reliable delivery. Some include:
Sapphire Glass CNC machines
Sapphire slicing machines
Sapphire Watch Glass Grinding & lapping machines
Single-layer & multi-layer AR coating machines
Silk-screen printing facilities
Ultrasonic Cleaning. etc
Packaging & Shipping
Packing Details
Payment and Shipping Terms:
Company Information
Watch Glass Factory display :
MicroFirst Technology Co., Limited is one of the leading sapphire, mineral, K-1, colored mineral glass, and smart watch crystal manufacturers in Shenzhen,China more than 6years.We manufacture all different types of watch crystals from 2.5mm to 25mm, in sapphire, mineral glass , and K-1. The minimum thickness of the sapphire we can handle is 0.3mm. which also include a range of optical services.Additional treatment for watch glass:
Anti-reflective layer coating
Metallization
Silk screen printing
Laser engraving
Diamond layer coating
Our products and services are supplied direct from our factory to our customers UK and worldwide. Please contact our sales team who will offer a personal rapid response to your enquiries, as well as free technical advice.
Thanks for your visiting our website.Any questions, pleae feel free to contact me.Don't hesitate to send your inquiry!
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