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PP honeycomb as core material, FRP skin laminated on both sides, finished panel is very light and stiffness strength enough. Laminate anti-fire panel on both sides of FRP skin, finished sandwich panel light weight, stiffness, fire-retrardant, insulation to power act as door in power cabinet apply into railway, decrease the total railway cabinet weight, improve speed, save energy.
Surface skin pattern colorful to cater to uniform of railway.
| Skin thickness | Core thickness | width | length | skin color | fire-retardant skin |
| 1.0mm | 9-50mm | <1200mm | <2400mm | colorful | can be |
| 1.5mm | 9-50mm | <1200mm | <2400mm | colorful | can be |