When selecting thin glass for display and electronic applications, conventional soda lime glass is often considered a cost-effective material. However, as display components become thinner and optical requirements become more demanding, glass composition, transparency, surface quality and processing performance become increasingly important.

CHIYAN-M2 is an ultra clear, thin float glass developed for display cover glass, display substrates and other electronic and optoelectronic applications. Its formulation contains approximately 4.5–8.0% Al₂O₃, providing a material profile between conventional soda lime glass and higher-alumina glass formulations.

1. What Makes CHIYAN-M2 Different?

CHIYAN-M2 is officially specified as Ultra Clear Float Glass and is supplied as raw glass sheets rather than finished cover glass.

The current standard specification covers thicknesses from 0.25 mm to 2.5 mm, with a standard sheet size of 1300 × 1100 mm. Customized delivery sizes can also be discussed according to customer requirements.

Its formulation contains:

• SiO₂: 68.0–74.0%
• Al₂O₃: 4.5–8.0%
• CaO: 6.5–10.0%
• MgO: 3.5–6.0%
• R₂O: 12.0–14.0%

The relatively higher Al₂O₃ content distinguishes this formulation from many conventional soda lime glass formulations, while CHIYAN-M2 remains a float glass designed for thin-sheet applications.

2. Medium-Alumina Glass vs. Conventional Soda Lime Glass

The two materials can share some similarities in their basic glass-forming system, but their formulations and target applications can be different.

The purpose of this comparison is not to suggest that one glass type universally replaces the other. Instead, material selection should be based on the required optical, mechanical, thermal, chemical and processing performance.

3. Ultra Clear Performance for Display Applications

CHIYAN-M2 is designed specifically for display cover glass and display substrate applications. The product specification identifies good flatness and transmittance as key characteristics and lists applications in electronics, microelectronics and optoelectronics.

The reference optical and physical properties include:

• Light transmittance: ≥91.5%
• Density: 2.48 ± 0.01 g/cm³
• Refractive index: 1.51 ± 0.01
• Vickers hardness: 610 ± 10 HV
• Young's modulus: 73.0 ± 0.5 GPa
• Softening point: 750 ± 10°C
• Thermal expansion coefficient: 85 ± 5 × 10⁻⁷/°C

These properties make CHIYAN-M2 a material option for customers looking for thin, high-transparency raw glass sheets for electronic and display-related applications.

4. Why Consider a Medium-Aluminosilicate Ultra Clear Float Glass?

For some applications, conventional soda lime glass may provide a suitable balance between cost and performance. For other applications, customers may require higher optical quality, thinner substrates or a different glass composition without necessarily requiring a high-alumina cover glass formulation.

This is where a medium-alumina ultra clear float glass can be considered.

CHIYAN-M2 focuses on four key characteristics:

Ultra Clear
High optical transparency for display and electronic applications.

Thin
Available from 0.5 mm to 2.5 mm in the current specification.

Medium-Alumina Formulation
Al₂O₃ content of approximately 4.5–8.0%.

Float Glass Sheet
Supplied as raw glass sheets for customers' subsequent cutting, CNC processing, strengthening, coating or other processes.

5. Is CHIYAN-M2 a Replacement for Soda Lime Glass?

Not necessarily.

Glass selection depends on the customer's specific requirements. CHIYAN-M2 can be considered when customers need a thin, ultra clear float glass sheet with a higher Al₂O₃ formulation than conventional soda lime glass.

For applications where cost, thickness, optical performance and downstream processing all need to be balanced, comparing the actual specifications of the two materials is recommended.

6. Applications

CHIYAN-M2 is developed for:

• Display cover glass
• Display substrates
• Electronic displays
• Microelectronics
• Optoelectronic components
• Other thin-glass applications

The material is supplied as raw glass sheets, allowing customers to perform subsequent processing according to their own product requirements. The manufacturer's specification also provides reference CNC processing parameters for customers using CNC processing.

Looking for an Alternative to Conventional Soda Lime Glass?

If you are evaluating thin glass materials for display, electronic or optoelectronic applications, CHIYAN-M2 Ultra Clear Float Glass may be an option worth comparing with your existing glass material.

Thickness: 0.25–2.5 mm
Standard sheet size: 1300 × 1100 mm
Al₂O₃: 4.5–8.0%
Transmittance: ≥91.5%

Looking for a thin, ultra-clear glass sheet for your display or electronic application?

CHIYAN-M2 Ultra Clear Thin Float Glass is available in thicknesses from 0.25–2.5 mm.

📧Contact Sophia: sophia@hunanxinghuai.com