A Popular day lighting system for interior or exterior glass walls, BTG channel glass also called as U-profile glass or u glass. The glass is available in a variety of specifications, allowing for the passage of natural light without loss of privacy. This very versatile product can be installed vertically or horizontally and is available in lengths up to 23 feet, with filming options available to meet impact safety requirements.
| Type | Channel wide±2 | Flange height±0.5 | Thickness±0.5 | Max. length±3 | Weight(approx.)kg/m |
| SQ26 | 260 | 41 | 6 | 6000 | 4.75 |
| 260 | 60 | 7 | 7000 | 6.50 | |
| SQ33 | 330 | 41 | 6 | 6000 | 5.60 |
| 330 | 60 | 7 | 7000 | 7.70 | |
| SQ50 | 500 | 41 | 6 | 6000 | 8.40 |
| 500 | 60 | 7 | 7000 | 10.20 | |
| Note: Normal color is white, blue. | |||||
Thanks to its U shaped section, its mechanical strength is higher than ordinary glass. It has much advantages such as ideal light transmission, good sound insulation, excellent heat insulation, reservation and convenient installation. This product is the first-choice construction material for interior walls, exterior walls, partitions, roofs and windows etc. Using U-profile glass, a lot of metal materials can be saved.
Technical specifications
| Type | Light transmission(single) | Light transmission(double) | Heat transmission(single) | Heat transmission(double) | Sound insulation(single) | Sound insulation(double) |
| SQ profile u glass(smooth surface) | 89.00% | 81.00% | 4.95W/M2K | 2.39W/M2K | 27.00db | 38.00db |
Physical and mechanical characteristics
| Compression strength | Extension strength | Moh’s hardness | Modulus of elasticity | Linear expansion |
| 700-90ON/mm2 | 30-5ON/mm2 | 6-7 | 60000-70000N/mm2 | 75-85X10·7/℃ |
The U-profile glass is widely applied to the construction of buildings, from interior walls and exterior walls, partitions and balcony corridors, to the roofs and other auxiliary buildings.
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