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Product Description
Low iron glass — also called ultra clear glass or extra clear glass — runs on advanced float lines equipped with CNUD-EFCO annealing lehrs and Grenzebach light-collection inspection systems. It is melted from premium low-iron raw materials with high-efficiency clean natural gas as fuel, and its product quality has reached the top international level.
With iron content held below 0.01%, the glass achieves visible light transmittance above 91.5%. It appears sparkling and translucent, elegant and graceful, and shows none of the green tint of ordinary clear glass. Low iron glass also retains all the processable performances of high quality float glass, such as predominant physical, mechanical and optical characters.
AUGTON GLASS melts and forms low iron glass in its own plant and exports it worldwide, with flexible size specifications available for display, storefront and architectural projects.
Key Features
- Sparkling translucent appearance free of the green tint of ordinary clear glass — true color neutrality
- Visible light transmittance above 91.5% with excellent optical performance
- Smooth, flat surface and stable chemical properties with resistance to acid, alkali and corrosion
- Flexible size specifications that minimize cutting loss
- Ideal substrate for every level of glass processing: tempering, laminating, coating, insulating and printing
Applications
Architecture
- High-end curtain walls
- Premium storefronts
- Structural glazing
- Canopy & skylight systems
- Glass railings
Interior & Display
- Display cases & showcases
- Museum glazing
- Aquariums
- Shower enclosures
- Glass furniture tops
Deep Processing Base Material
- Ultra clear laminated glass
- Low-E coated glass
- Insulated glass units
- Ultra clear mirrors
Solar & Electronic
- Photovoltaic panels
- Solar collectors
- Appliance door panels
- Electronic display covers




Optical Performance Parameters
Different thicknesses come with fixed optical data including visible light transmittance, solar heat performance, shading coefficient (SC), U-value, sound insulation and UV penetration, which can be provided for your architectural design calculation upon request.
| Thickness (mm) | VL Transmittance | VL Reflectivity | Solar Direct Trans. | Solar Reflect | Solar Absorb | Solar Total Trans. | Shading Coeff. (SC) | U-Value (W/m²K) | Sound Rw (dB) | UV Transmittance |
|---|---|---|---|---|---|---|---|---|---|---|
| 3 | 92% | 8% | 91% | 8% | 1% | 91% | 1.05 | 5.8 | 30 | 85% |
| 3.2 | 91.8% | 8% | 91% | 8% | 2% | 91% | 1.05 | 5.8 | 30 | 84% |
| 4 | 91.6% | 8% | 90% | 8% | 2% | 91% | 1.05 | 5.8 | 30 | 82% |
| 5 | 91.5% | 8% | 90% | 8% | 2% | 90% | 1.03 | 5.8 | 32 | 81% |
| 6 | 91.4% | 8% | 89% | 8% | 3% | 90% | 1.03 | 5.7 | 32 | 79% |
| 8 | 91% | 8% | 88% | 8% | 4% | 89% | 1.02 | 5.7 | 34 | 76% |
| 10 | 91% | 8% | 88% | 8% | 4% | 89% | 1.02 | 5.6 | 36 | 74% |
| 12 | 91% | 8% | 87% | 8% | 5% | 88% | 1.01 | 5.5 | 37 | 72% |
| 15 | 90% | 8% | 86% | 8% | 6% | 87% | 1.00 | 5.5 | 38 | 71% |
| 19 | 90% | 8% | 84% | 8% | 7% | 86% | 0.99 | 5.5 | 40 | 70% |
Frequently Asked Questions
What thicknesses and sizes are available for Low Iron Glass?
Low Iron Glass is available in 1.8mm – 19mm. Jumbo sizes up to 3.66m x 12m are possible, and custom cutting to your drawings is supported.
Do you offer custom processing?
Yes. Accept customized size & processing requirements - just send us your drawings, sizes or special requirements.
What certifications do your products hold?
Our low iron glass has passed multiple international authoritative tests and obtained complete conformity certificates, including CE, SGCC, ISO 9001 and RoHS by SGS. All products comply with GB11614-2009, EN 572 and international industrial standards, eligible for export to Europe, North America, Australia, Southeast Asia, the Middle East and other regions.
How is the glass packed for export shipping?
All glass sheets are separated by anti-scratch PE film, then packed into ISPM15 heat-treated solid wooden crates. We use rainproof plastic wrapping and reinforced steel strapping to fix the stacks firmly, effectively avoiding breakage during long-distance sea and land transportation. Forklift loading and container stuffing are available for bulk orders.
How can I get a quote?
Email us at sales@augtonglass.com with your sizes, thickness and quantity - our sales team replies within 24 hours.
Production Line & Export Packaging
Advanced Automatic Production Workshop
Our low iron glass is produced on full-set automated float lines equipped with CNUD-EFCO annealing lehrs, Grenzebach light-collection inspection systems, CNC cutting machines and online defect inspection devices. Clean natural gas firing and premium low-iron batch materials guarantee the ultra clear quality of each batch.

Standard Export Wooden Crate Packaging
All glass sheets are separated by anti-scratch PE film, then packed into ISPM15 heat-treated solid wooden crates. We use rainproof plastic wrapping and reinforced steel strapping to fix the stacks firmly, effectively avoiding breakage during long-distance sea and land transportation. Forklift loading and container stuffing are available for bulk orders.









Certification
Our low iron glass has passed multiple international authoritative tests and obtained complete conformity certificates, including CE, SGCC, ISO 9001 and RoHS by SGS. All products comply with GB11614-2009, EN 572 and international industrial standards, eligible for export to Europe, North America, Australia, Southeast Asia, the Middle East and other regions.
We manufacture to the applicable standards of your destination market and can provide test reports, certificates of conformity and Declarations of Performance.
Europe (CE)
CE-marked glass with Declaration of Performance for EU construction products.
Americas
SGCC and IGCC certified safety and insulated glass units.
Australia & New Zealand
Safety glazing certified through SAI Global.
Middle East
SASO / GSO conformity support for Gulf and Levant projects.
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