... panel thickness 30mm, 40mm,Model B: pre-painted steel sheet as outside cover, plywood as inside cover, with EPS ... core. Common panel thickness 30mm,40mm,Model E: Aluminum sheet as outside cover, plywood as inside cover, with EPS ... and small refrigerated bodiesCustom design capabilities. Lightweight Insulated fibreglass panel Fibreglass sheet in flat or non slip rough finish Refrigeration systems ...