Flame retardant (tough to burn up, It's going to be extinguished when leaving the hearth source) Closed-mobile structure with ACMF foaming engineering can proficiently prevent heat conduction Thermal conductivity, not more than 0.034W/m·k at 0 °C&period of time; A lot of companies provide environmentally friendly rubber foam insulation products that https://gallaghers147hvj7.national-wiki.com/user