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PU Sandwich Panel/3d Wall Panel For Prefabricated House Decorative Heat Insulation Metal Panel
1. panel surface is color-coated steel sheet.
2. panel core is polyurethane foam.
3. panel back is aluminum foil.
4. standard panel size : 3800*380*16mm
5. optional panel thickness: 10mm/16mm/20mm
With years of export experience along with excellent quality, advanced services and competitive prices, Reachfly sandwich panel has won numerous customers' trust and support.
| Items | Data | Testing result | Testing method |
| Thermal conductivity (core material/W(m*k) | ≤0.040 | 0.024 | GB/T 10297-1998 |
| Impressive strength,kpa | ≥30 | 52.7 | JG149-2003 |
| Water absorption,% | ≤424 | 415% | JG149-2003 |
| density of the panel(three layers),kg/sqm | ≥1.7*100 | 1.821*100 | GB/T 6343-1995 |
| Bending resistance under 0.5KN,mm | ≤18.3 | 13.3 | GB/T 9341-2000 |
| Cementation strength,Mpa | >0.1 | 0.18 | JG149-2003 |
| Smog resistance(h) | / | no spot of erosion,no color change | GB 5938-1986 |
| Weather resistance(h) | / | no damage on surface, colorchanges on level 4-5 | GB/T 17657-1999 |
| Oxygen index, % | >26 | 26.1 | GB/T 2046-1993 |
| Horizontal burning of PU | Average burning time≤90s | 77 | GB/T 8332-1987 |
| everage burning area ≤50mm | 37 | GB/T 8332-1987 | |
| Wind resistance data,Kpa | / | 8 | JG149-2003 |
