INDUSTRY COMPONENT

Tempered Glass Cover

Tempered safety glass cover for photovoltaic panels providing protection and light transmission.

Component Specifications

Definition
A specially processed glass component designed for photovoltaic panels that undergoes thermal tempering to increase mechanical strength and safety. It serves as the outermost protective layer while allowing maximum sunlight transmission to solar cells. The glass is chemically treated to create surface compression, making it 4-5 times stronger than regular glass and causing it to break into small granular pieces rather than sharp shards when fractured.
Working Principle
Works through thermal tempering where glass is heated to approximately 620°C then rapidly cooled with air jets, creating compressive stress on the surface and tensile stress in the interior. This stress distribution provides enhanced mechanical strength and safety characteristics while maintaining high optical transparency for solar energy conversion.
Materials
Low-iron tempered glass with anti-reflective coating, typically 3.2mm or 4.0mm thickness, with iron oxide content below 0.02% for optimal light transmission.
Technical Parameters
  • Haze <1%
  • Thickness 3.2mm or 4.0mm
  • Transmittance >91.5%
  • Impact Resistance Withstands 1kg steel ball drop from 1m height
  • Temperature Range -40°C to +85°C
  • Surface Compression >95 MPa
Standards
ISO 12543, IEC 61215, UL 1703, DIN EN 12150

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Tempered Glass Cover.

Parent Products

This component is used in the following industrial products

Engineering Analysis

Risks & Mitigation
  • Thermal stress cracking
  • Micro-crack propagation
  • Delamination from EVA encapsulant
  • Surface contamination reducing efficiency
  • Impact damage from hail or debris
FMEA Triads
Trigger: Improper thermal tempering process
Failure: Spontaneous glass breakage due to nickel sulfide inclusions
Mitigation: Implement heat soak testing at 290°C for 4 hours to identify unstable glass panels before installation
Trigger: Inadequate edge finishing
Failure: Edge-initiated cracking under mechanical stress
Mitigation: Apply edge grinding and polishing processes with minimum 0.5mm edge removal

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance
Thickness tolerance ±0.2mm, flatness <0.5mm/m², dimensional tolerance ±1.5mm
Test Method
ISO 12543 for mechanical properties, IEC 61215 for PV module qualification, UL 1703 for safety standards

Buyer Feedback

★★★★☆ 4.9 / 5.0 (23 reviews)

"Found 57+ suppliers for Tempered Glass Cover on CNFX, but this spec remains the most cost-effective."

"The technical documentation for this Tempered Glass Cover is very thorough, especially regarding technical reliability."

"Reliable performance in harsh Computer, Electronic and Optical Product Manufacturing environments. No issues with the Tempered Glass Cover so far."

Related Components

Storage Module
Industrial-grade storage module for data logging and firmware in IoT gateways
Ethernet Controller
Industrial Ethernet controller for real-time data transmission in Industrial IoT Gateways.
Serial Interface
Serial interface for industrial data transmission between IoT gateways and legacy equipment using RS-232/422/485 protocols.
I/O Connectors
Industrial I/O connectors are ruggedized interfaces that enable reliable data and power transmission between sensors, actuators, and Industrial IoT Gateways in harsh environments.

Frequently Asked Questions

Why use tempered glass instead of regular glass for solar panels?

Tempered glass provides 4-5 times greater mechanical strength, better impact resistance, and breaks into small granular pieces instead of dangerous shards, ensuring safety and durability in outdoor environments.

How does anti-reflective coating improve solar panel efficiency?

Anti-reflective coating reduces surface reflection from approximately 8% to less than 2%, allowing more sunlight to reach the solar cells and increasing energy conversion efficiency by 2-3%.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Get Quote for Tempered Glass Cover

Temperature Sensor (NTC Thermistor) Template Memory