China External Building Cladding Material Siding Exterior

Siding exteriorl:
Standard sizes: 3000*615*14-16mm
Other size also can be produced according to customer request.
Main characteristic:
Density: No less than 1.20g/cm3
Wet inflation rate: Not higher than 0.2%
Water absorption: 25%
Clutching nail force: >600
Siding exterior is very suitable for wood frame, steel structure or concrete commercial and residential buildings.
More beautiful surface patterns are available, please contact with our sales department if need

Detect itemsIndexFolding strength under the natural dampish state (Mpa)11± 2Fold strength after be dipped in water for 24 hours MpaMore then 8.5Drying shrinkageLess then 0.06%Tensile strength on the vertical plane MpaMore then 0.5Resistance to impact(500g hammer weight, 12mm thick panel)Dropping from 1100mm meter, and has no penetrating cracksAnti-folding elastic modulus(Mpa)More then 3000Density(T/M3)1.1-1.4Thickness expansion coefficient(%)after being dipped in water for 24 hoursLess then 1.5Fire resistanceB1 levelMoisture content(%)10± 5Clutching nail forceMore then 600Heat conductivity coefficient(w/m. k)0.19(density 1200kg/m3Surface water resistanceNo change within 96 hoursSurface alkali fastnessNo change within 48 hoursSurface washing fastnessMore then 5000 timesSurface aging resistanceNo change within 1000 hoursContamination resistantLess then 15%Sound insulation value36dB(single panel)Bend degree after water absorptionBend less than 3mm after water absorptionWater absorption25%Bond strength in cyclic test under the damp condition N/mm2More then 0.3Thickness expansion rate after the cyclic test under the damp condition %1.5%Ultraviolet irradiationMore then Has no change, no crusting, no peeling within250hours-40CThe size and surface do not change after being frozenDistortion performance under the wind pressureThird level (GB/T15225-94)Anti seismic within the distortion performance in the planFirst level (GB/T18250-2000)