| Shape: | Flat |
|---|---|
| Structure: | Solid |
| Function: | Clear Float Glass Sheets |
| Thickness: | 4mm-25mm |
| Nominal Thickness: | 4mm-25mm |
| Surface State: | Ordinary Net Sheet Glass |
| Samples: |
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| Customization: |
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Audited Supplier Ultra clear glass is a kind of low iron and ultra transparent glass with light transmittance more than 91%, It has the characteristics of low spontaneous breakages, high purity, noble elegance and crowned as 'crystal prince' of the glass family.
Products Feature
High safety: low spontaneous breakages, until now there is no spontaneous breakages.
High transmittance: visible light transmittance near 92%, 6% higher than clear foat glass.
High aesthetics: More beautiful than clear foat glass, with a jewel-like blue edge.
Optical Parameters
Thickness |
Visible Light Transmittance |
Visible Light Reflectivity |
Solar Radiant Coefficient |
Shading Coefficient | U Value | Sound Insulation | UV Penet ration |
||||||
Direct Penetration |
Reflectivity |
Absorb |
Total Penetration |
Short Wave | Long Wave | Total |
(W/m2K) |
Rm(dB) |
Rw(dB) |
Architecture Series |
|||
| 3mm | 91.6% | 8% | 90% | 8% | 1% | 91% | 1.05 | 0.01 | 1.05 | 5.8 | 26 | 30 | 76% |
| 3.2mm | 91.5% | 8% | 90% | 8% | 2% | 91% | 1.03 | 0.01 | 1.05 | 5.8 | 26 | 30 | 75% |
| 4mm | 91.4% | 8% | 90% | 8% | 2% | 91% | 1.03 | 0.01 | 1.05 | 5.8 | 27 | 30 | 73% |
| 5mm | 91.3% | 8% | 90% | 8% | 2% | 90% | 1.03 | 0.01 | 1.03 | 5.8 | 29 | 32 | 71% |
| 6mm | 91.1% | 8% | 89% | 8% | 3% | 90% | 1.02 | 0.01 | 1.03 | 5.7 | 29 | 32 | 70% |
| 8mm | 91% | 8% | 88% | 8% | 4% | 89% | 1.01 | 0.01 | 1.02 | 5.7 | 31 | 34 | 68% |
| 10mm | 90.6% | 8% | 88% | 8% | 4% | 89% | 1.01 | 0.02 | 1.02 | 5.6 | 33 | 36 | 66% |
| 12mm | 90.4% | 8% | 87% | 8% | 5% | 88% | 1.00 | 0.02 | 1.01 | 5.5 | 34 | 37 | 64% |
| 15mm | 90.1% | 8% | 86% | 8% | 6% | 87% | 0.99 | 0.02 | 1.00 | 5.5 | 35 | 38 | 61% |
| 19mm | 89.7% | 8% | 84% | 8% | 7% | 86% | 0.97 | 0.02 | 0.99 | 5.5 | 37 | 40 | 59% |
| 22mm | 89.6% | 8% | 82% | 8% | 9% | 85% | 0.95 | 0.02 | 0.97 | 5.5 | 38 | 43 | 58% |
| 25mm | 89.0% | 8% | 81% | 8% | 9% | 84% | 0.93 | 0.02 | 0.95 | 5.5 | 39 | 45 | 56% |
Physical Parameters
| Elasticity Modulus | 73.1Gpa |
| Rupture Modulus(Tensile Strength-ultimate) | 41.4 Mpa |
| Knoop Hardness | 456kgf/mm2 |
| Density | 2.5076 g/cm3 |
| Linear Coefficient of Expansion 20-300 ºC | 9.28×10-6/ºC |
| Linear Coefficient of Expansion 20-450 ºC | 9.75×10-6/ºC |
| Transformation Temperature | 556ºC |
| Intenerate Temperature or Yield Point | 606ºC |
| Softening Point | 710ºC |
| Annealing Point | 547ºC |
| Strain Point | 513ºC |
| High Temperature Viscosity log2 | 1392ºC |
| High Temperature Viscosity log3 | 1152ºC |
| High Temperature Viscosity log4 | 996ºC |
| Liquid Phase Temperature | 1008ºC |
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Guangzhou Longlass New Material Co.,Ltd, subject to Guangdong Longlass Technology Group Co.,Ltd. It is a leading enterprise of glass deep-processing since 1994. We have 360,000 sqms of modern production workshop, and have passed 4 management systems: ISO 9001,
ISO 14001,ISO 45001, ISO 50001.
We have a series of intelligent equipments, including the world's advanced LiSEC intelligent glass deep processing system and 8 full automatic
production lines, Leybold suction pump, Bentele Coated Glass Washing Machine, Shimadzu molecular pump, etc. Our heat soak oven is in compliance to the calibration requirement of BS EN 14179-1: 2016.These are not only ensure the safety of the workers, They are also greatly
increase productivity and improve product quality.
Our main products include coated glass, tempered glass,insulating glass,screen printing glass, fireproof glass , bulletproof glass and different combinations of mentioned products. We also committed to R&D and production of off-site processing , temperable LOW-E glass, off line
temperable glass, and solar control coated glass. Our products meet American standard SGCC and ANSI Z 97.1-2015,Europeanstandard
BS EN12600:2002 and BS 6206: 1981.Our factory is the approved processor by SentryGlass.
We aim to offer the customers with the most cost-effective products and services, and we have a diligent team. There are more than 50 senior
management personnel and more than 180 senior technical personnel with rich industrial experience. More than 790 skilled professional technical personnel, and a well-trained after-sales service team of more than 80 people.
Without strong character, one cannot be competent for important tasks.Without perseverance, one cannot achieve lofty goals. Longlass, be ambitious and to be your best glass suppliers.
Production Line:
high-efficiency and energy-saving coated glass production line
Bystronic-IGU production line
fully automatic glass cutting production line
automatic edging production line
automatic insulating glass production line
high class dust-free constant temperature and humidity laminating production line
large double-chamber convection tempering production line
fully automatic screen printing glass production line
1. More than 27 years experience in glass processing .
2. Four production base cover 360,000 sqm areas.
3. Four management systems: ISO 9001, ISO 14001, ISO 45001, ISO 50001.
4. Product standard: ASTM E2 190, BS EN12600:2002,BS 6206: 1981, ANSI Z 97.1-2015.
5. Our factory is the approved processor by SentryGlass.
6. Our off line coated glass and off line tempered glass can be Off-site processing
7. Our heat soak oven is in compliance to the calibration requirement of BS EN 14179-1: 2016
8. Our factory is the only one in China who owned the LiSEC intelligent glass deep processing system which equipped both with ORDER system (business management system) and PROD system (manufacturing system). It has achieved short delivery time,accurated size,stable quality,low self-explosion rate, fast patch, and permanent product traceability.
9. We have a professional testing technology team. Equipped with "photothermal performance testing laboratory", "physical and chemical performance testing laboratory" and "safe glass product testing and testing center" three major laboratories.
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