etc.
sound Insulation
Specifications
1, Item name: Slat
Width: 77mm
Thickness: 1.2mm, 2.2mm
Color: white,beige, custom-made color.
2, Item name: Aluminum bottom rail
Made of extruded aluminum
3, Item name: Aluminum Guide Rail
Made of heavy duty extruded aluminum "U"guide rail, 80*36mm or 90*36mm ,Width*Depth*thickness
With brush strip to make the rolling shutter run more quietly
4, Switch button.
Switch button for operating rolling shutter, with stainless steel cover box
5, Endless chain
The rolling shutter could be opened by endless chain if power off.
6, Rolling shutter motor
Option 1: HOFUL brand side motor, CE certificate, 400KG,600KG,800KG,1000KG,1300KG,1500KG,2000KG are available,
Rated voltage / Frequency could be 220V/50Hz, 380V/50Hz, 110V/60Hz
Option 2: DOOYA tubular motor, CE certificate, 60N, 80N, 120N, 140N, 230N, 300N,
Rated voltage / Frequency could be 230V/50Hz, 120V/60Hz
7, Shutter box (hood),
Made of galvanized steel or aluminum, it's optional.
8, Shaft (barrel)
Made of galvanized steel, 3 inches, 5 inches, 6 inches, 8 inches, 10 inches, it depends on the size of the rolling shutter.
9, Bearing
It's retractable, fixed by welding according to the width of the rolling shutter.
10, End plate
Made of heavy duty steel, fixed on both sides of the shaft.
11.End clip
Made of plastic, fixed on both sides of the aluminum slats, to protect the curtain from lateral moving
Audited Supplier 
){kind=link}