| After-sales Service: | Online Technical Support |
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| Material: | Steel |
| Thickness: | 40mm |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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| Payment Methods: |
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Speed
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0.2-0.3m / s
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Foam material
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high-density Japan Tosoh polyurethane foaming material (foaming density 48kg + 2kg / m³)
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Door panel
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42mm
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Manual operation
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Manual electric interchangeable
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Safety protection
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anti-wire rope break device, bottom airbag device, torsion spring anti-break function.
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Wind loading rating
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4*4 Newton 700 / m2
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Torsion spring
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≥30,000 times
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Sound insulation
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24dB
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Motor
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German FROG PUPILhuman-machine interface intelligent control system
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Airtight
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Level 2 2.0 m3 / m2 / h (under 50Pa pressure)
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Watertight
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Level 3 (water pressure 30Pa)
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Fire rating
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Class B fire retardant
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