Light duty steel mesh framed expanded polystyrene panel is made of polystyrene foam plastic plate, and both sides are coverd high tensile steel wire mesh panel.The steel wire mesh is diagonally inserted accross polystyrene plate with galvanized steel wire,3D EPS panel is connected by spot welding.Our products are followed our National Standard JGJ/T 269-2012. EPS Plate Main Performance Index Item Performance Index Test Way Apparent Density(kg/m3) 18~22 GB/T 6343 Thermal Coefficient [W/(m*K)] 0.039 GB/T 10294 or GB/T 10295 Compressive Strength 0.10 GB/T 8813 Tensile strength perpendicular to the direction of the plate (Mpa) 0.10 JG 149 Dimensional Stability (%) 0.50 GB/T 8811 Water Absorption (%)4 GB/T 8810 Class of combustion performance Not less than C class GB 8624 The thickness of EPS plate:50mm,70mm,100mm,120mm etc The width is 1200mm,and length 6000mm External dimension of EPS plate and allowable deviation should be accorded with below: External size(mm) Permissible deviation Length ,width 1000~2000 ±6.0 2001~4000 ±8.0 >4000 Positive deviation is not stipulated,-10 Thickness 50~75 ±2.0 76~100 ±3.0 >100 ±4.0 Diagonal difference 1000~2000 5.0 2001~4000 10.0 >4000 13.0 The steel wire mesh of 3D EPS plate and galvanized steel wire for inserting is adopt low carbon steel wire,and the standard value of tensil strength(fstk) is not less 550N/sqmm,the design of tensil strength(fy) is around 320N/sqmm, modulus of elasticity(Es) should adopt 2.0*105N/sqmm. The wire diameter of 3D EPS plate steel wire mesh is not less than 2.2mm,the mesh size is 50x50mm.Galvanized steel wire for inserting is not less than 3.0mm,others shouls accord to the rule of National Standard General purpose low carbon steel wire GB/T 343. The steel wire Main Technical Index Wire diameter Tensile Strength (N/sqmm) Reverse bending test( No) Zinc coated (g/sqm) Application Nominal Actual 2.2 2.23+0.05 550 6 ____________ Warp and weft wire for mesh 3.0 3.03+0.05 4 3.0 3.03+0.05 122 Steel wire 3.8 3.83+0.05 Note:Reverse bending test is the number of reversed bending 180 degrees. 3D EPS steel wire mesh panel permissible deviation Item permissible deviation (mm/10m) Length ±10.0 Width ±10.0 Diagonal difference ±10.0 Minimum tensile resistance of spot welding Item Wire between with wire of mesh panel Inserted steel wire between with steel wire mesh panel Wire diameter (mm) 2.2 3.3 3.0 and 2.2 3.8 and 3.0 Min Tensile strength of welding spot(N) 400 500 2140 3430 The3D EPS steel wire mesh panels tensile strength , elongation and cold bend of test way should be conform to the rule of Industry standard Technical specification for cold drawing of low carbon steel wire JGJ 19.