A. Specification
1. Frame thichess: 3-1/4"
2. Thermal bridge or not thermal bridge
3. Glass: double glasses or laminated glasing
4: color: according to your requirement---wooden grain, white, green, etc.
5. Surface: anodizing, powder coated, electrophoretic, etc.
6. Hardware: germany made
7. Sealant strip: epdm
8. Hardware: made in german or made in china, you can choose up to your requirement.
9. Deilvery time: winthin 25 days
B. Performance
1. Water tightness: 500, cn standard: gb/t 8479-2003/4
2. Air tightness: <1.5, cn standard: gb/t 8479-2003/4
3. Serviceability wind press: +- 3.5kpa, cn standard: gb/t 8479-2003/4
4. Heat-preservation: heat transfer coefficient kí2.8, cn standard: gb/t 8479-2003/5
5. Noise reduction: 32 db noise can be reduced by it, cn standard: gb/t 8479-2003/2