77mm aluminum roller shutter slat: 1. Material: aluminum . 2. Height:77mm. 3. Nominal thickness:20mm. 4.Weight:5.0kg/sqm

77mm aluminum roller shutter slat:

Product Specifications:

1. Material: aluminum alloy2. Height:77mm3. Nominal thickness:20mm4.Weight:5.0kg/sqm (alu thickness:0.46mm)

5.Max size in use: W5000mm xH4000mm

6. Insulation PU without CFC inside

7. Foam density:45-50kg/cubic meter

8.Surface: levles bake-on enamel finish 

77mm aluminum  roller shutter slat is strong enough  for roller shutter door, besides, steel material can also be made for this size ,  welcome your enquiry........

77mm aluminum roller shutter slat