Who knows the standard of color steel composite panels which? No matter what kind of material sandwich layer, please know the knowledge of this person told me.
"GB / T 23932-2009 Construction of metal surface insulation sandwich panels"
This standard specifies the terminology and definitions, classification and marking, requirements, test methods, inspection rules, packaging, transportation and storage of metal surface insulation for sandwich panels (hereinafter referred to as sandwich panels).
This standard applies to the industrial production of industrial and civil building facades, partitions, roofing, ceiling sandwich panels. Other sandwich panels can also be used with this standard. Since the implementation of this standard, JC689-1998 "metal surface polystyrene sandwich panels", JC / T868-2000 "metal surface hard polyurethane sandwich panels", JC / T869-2000 "metal surface rock wool, slag Cotton sandwich panels "abolished.
1. Light weight: 10-14 kg / square meter, equivalent to 1/30 of the brick wall.
2. Thermal insulation: core thermal conductivity: λ <= 0.041w / mk.
3. High strength: can be used for smallpox envelope structure bearing, bending compression; general housing without beams and columns.
4. Bright color: no surface decoration, color galvanized steel coating to maintain a period of 10-15 years.
5. Flexible installation: the construction period can be reduced by more than 40%.
6. Oxygen index: (OI) 32.0.
