Building window Aluminum sliding window

production quality
Doors and decorative surface should not have a significant injury, it refers to the surface of the protective film should not have doors scratch scratch marks.Colored surfaces on the doors and windows of adjacent components should have a clear color .Aluminum windows and doors should not have surface debris , burrs, oil spots or other stains, there should be no spillover junction assembly adhesives .
See Materials
If it is broken insulation aluminum , the wall thickness is greater than the main profile 1.4mm; with an aluminum alloy color should be consistent , such as color obviously , that should not be optional ; checking aluminum alloy surface , there should be no sag or bulge ; Aluminumalloy doors and windows opening to avoid bubbles optional surface profiles (white dots ) and ash ( black spots ) , as well as cracks, burrs , peeling and other obvious defects ; oxide film thickness should reach 10 microns , the purchase can be light at the surface profileplans look to see whether it can wipe the surface of the oxide film .
Look assembly quality
Repeatedly switch several times to see whether the power switch is too heavy ; seal is solid ; hardware assembly is complete ; casement sash amount of overlap meets the requirements ( standard casement not less than 6mm, sliding windows are not in 8mm).
Looking Glass