Glass Wool felt Density 10K--48K Thickness 25mm—150mm Wide 1200mm Length Custom-tailorThermal conductivity: 0.033-0.047(W/MK)Service temperature:-120-400(℃)Glass Wool Board Density 24K—80K Length 1200mm Wide 600mm, 1200mm Accept OEM Packaging Take advanced Vacuum compress technology 1. Normal standard PE+PP 2. Heat contraction sealed PE+PP+PE 3 Color with the bag PE+(PP+PE) 4. Accept OEM