1.Perfect thermal insulation:0.020W/mk 2.Perfect water proof and drainage 3.Fireproof Feature of the color steel sanwich panel: 1. Light Weight:    10-14KG/m², equivalent to 1/30 brick wall2. Insulation:        Core material heat conductivity: λ<=0.041w/mk 3. Hight Strength:  Anti-Bending and resist compression4. Bright in color:   Various color for choose, color galvanized steel plate anti-corrosion layer keep period in 10-15 years5. Installation:       Rapidly and Accurately, The construction period can be reduced by more than 40%  Color steel sandwich panel specification: 1. Color steel sandwich panel always use plug in joint, that way have advantage like: easy installation, time saving, material saving, good flatness, hight strength (other joint: Tongue-and-groove type, Covered-buckle type, Overlap joint,   Capping type)2. Total Thickness: 40mm-300mm3. Effective Width: 950mm-1200mm4. Total Length:     Unlimited5. Core Material:    EPS: Density: 12-35kg/m3, Thermal conductivity:≤0.036W/m.K,  The Max Temperature is 100°C    Rock Wool: Density: 120-250kg/m3, Thermal conductivity::≤0.043W/m.KThe Max Temperature is 500°C    PU:  Density: 30-50KG/m³, Thermal conductivity:0.034~0.041W/m.KThe Max Temperature is 170°C-190°C6.Steel Thickness: 0.30mm-0.80mm Usage of Color steel sandwich panel:Various roof sandwich panel and wall sandwich panel referring to the plant, workshop,warehouse, office block, exhibition halls, gymnasiums, store, canopy, light steel villa, residence, container house etc.  

Item	PU	EPS	Rock Wool
Steel Thickness	0.3~0.6mm	0.3~0.6mm	0.3~0.6mm
Density	30~45kg/cbm	15~35kg/cbm	100~120kg/cbm
Thermal Conductivity	0.018w/m.k	0.034w/m.k	0.042w/m.k
Panel Thickness	50~100mm	50~200mm	50~100mm
Fireproof Grade	B1	B2	B1

                                   

PU Sandwich Roof