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| Customization: | Available |
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| After-sales Service: | Online Technical Support |
| Warranty: | 2 Years |
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Roof and Wall Sandwich Panels
LJ Sandwich panels are produced using Polystyrene (EPS), Polyurethane (PU), rigid Polyisocyanurate (PIR), Glass Wool or Mineral Wool core with external and internal sheets in steel, aluminum or stainless steel of varying thickness, coatings and colors.

Lj Steel Structure sandwich panels are cost-efficient prefabricated products, which is made of Two (2) layers galvanized color metalsheet, insulated with different core materials. The insulating corematerials could be EPS(Polystyrene), Fiberglass, Rockwool orPU(Polyurethane).
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Name
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EPS
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XPS
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PU
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PIR
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PF
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RW/SW
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GW
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Thickness(mm)
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50/75/100/150/200
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50/75/100
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50/75/100
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50/75/100
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20-200
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50/80/100/120/200
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50/80/100/120/150
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Application
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wall/roof
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roof
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wall/roof
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wall/roof
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wall/roof
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wall
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wall
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Density(kg/m3)
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≥18
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≥35
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≥38
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≥45
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≥60
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≥100
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≥64
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Heat Conductivity(W/m2.k)
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0.68
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0.63
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0.45
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0.5
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0.063
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0.85
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0.9
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Thermal Conductivity(W/m.k)
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≤0.041
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≤0.03
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0.024
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0.02
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0.035
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0.045
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0.042
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Oxygen Index(%)
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30
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30
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28
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32
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43
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32
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32
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Water Absorption
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6
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2
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3
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2
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7.5
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5
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5
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Fire Resistance Rating
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-
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-
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-
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-
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1min
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≥30min
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-
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Applicable Temperature
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≥75
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≥75
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120
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160
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180
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600
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400
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Combustion Performance
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B2
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B2
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B1
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B1
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B1
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A
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A
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Compresion Strength
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120kPa
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200kPa
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150kPa
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220kPa
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100kPa
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Application:Ceiling and surround for the clean factory, workshop for clean products, warehouse, cold room.Long span panel, reinforcing the original structure, Temporary office, Shop, market, kiosk,etc.


Q1: Can we accept the custom service and personalized design?
A: Yes, our professional engineer team can make a drawing by following customers' requirement.