... under low tempeaturelinear change rate,-25.24hr: 1.0,%5.Water absorptionV/V,24hr:,30%6.Fire retardance (Oxygen index) ... requirements (Regular color is White Gray, Navy)Three: Characteristics:1.light weight and durable, easy installed, wide use2. Fire ... classUsage: widely used as roof panel and wall panel in steel structure warehouse, modular house, especially for cold storage High Quality EPS Sandwich ...