Sapphire Cup

The Sapphire Cup is a premium cup manufactured from high-purity sapphire crystal, combining the exceptional hardness and durability of sapphire with a clear, elegant appearance. With its highly transparent body, smooth polished surface, and refined cylindrical design, it is suitable for luxury products, specialty applications, display, and customized precision components.

Sapphire is a single-crystal form of aluminum oxide (Al₂O₃) known for its high hardness, excellent thermal stability, chemical resistance, and optical transparency. Through precision machining and polishing, sapphire can be processed into cup-shaped components with smooth inner and outer surfaces and a high-quality transparent finish.

Key Features

• High-Purity Sapphire Crystal
  Made from high-quality single-crystal sapphire for excellent material stability and durability.
• Crystal-Clear Appearance
  Transparent sapphire provides a bright, glass-like appearance with excellent light transmission.
• High Hardness
  Sapphire has a Mohs hardness of approximately 9, providing excellent resistance to scratching and surface wear.
• Excellent Thermal Stability
  Suitable for demanding temperature environments when the product design and operating conditions are properly controlled.
• Chemical Resistance
  Sapphire offers excellent resistance to many chemicals and maintains stable performance in harsh environments.
• Precision Polishing
  The inner and outer surfaces can be precision ground and polished to achieve a smooth, high-quality finish.
• Customized Design
  Diameter, height, wall thickness, bottom thickness, edge shape, surface finish, and other dimensions can be customized according to requirements.

Precision Sapphire Cup Manufacturing

Our sapphire cups are manufactured using specialized sapphire processing technologies. The typical manufacturing process includes:

Sapphire Crystal → Cutting → Rough Machining → Inner/Outer Profile Machining → Grinding → Fine Polishing → Cleaning → Inspection

Because sapphire is significantly harder than conventional glass, precision diamond machining and polishing processes are used to achieve the required geometry and surface quality.

The cup can be produced with different surface finishes depending on the application, including fine ground, polished, and optical-quality polished surfaces.

Applications

Sapphire cups can be customized for various applications, including:

• Optical and optoelectronic equipment
• Semiconductor equipment
• High-temperature laboratory equipment
• Scientific research instruments
• Precision instruments
• Specialty containers and components
• Luxury and premium product applications
• Custom display and decorative applications

Customized Sapphire Cups

We provide custom sapphire cup manufacturing based on customer drawings, samples, or technical specifications. Different sizes, wall thicknesses, bottom structures, edge profiles, and polishing requirements can be produced according to the intended application.

For customized orders, customers can provide the required diameter, height, wall thickness, quantity, surface finish, dimensional tolerances, and drawings. We can evaluate the machining requirements and provide a suitable sapphire material and processing solution.

Sapphire Cup FAQ

1. What is a sapphire cup?

A sapphire cup is a cup-shaped component precision machined from high-purity single-crystal sapphire. It combines excellent hardness, optical transparency, thermal stability, and chemical resistance, making it suitable for both specialty and industrial applications.

2. Is the sapphire cup transparent?

Yes. We can manufacture the cup from transparent sapphire crystal with polished inner and outer surfaces. The level of transparency depends on the sapphire material, thickness, geometry, and surface finish.

3. What are the advantages of sapphire compared with glass?

Sapphire offers significantly higher hardness and better scratch resistance than conventional glass. It also provides excellent thermal stability, chemical resistance, and mechanical durability while maintaining high optical transparency.