Insulation coefficient: 0.045 Fire performance: Class A1 non-combustible material (Class A1: non-flammable, no flame) Material: Ceramic fiber + single-sided aluminum foil Temperature resistance: 950–1400°C Specifications: - 1000mm x 610mm (40 x 24 in), thickness: 10mm (0.4 in), approx. 820 g - 1000mm x 610mm (40 x 24 in), thickness: 20mm (0.8 in), approx. 1500 g - 1000mm x 610mm (40 x 24 in), thickness: 30mm (1.2 in), approx. 1980 g Note: Aluminum foil is a non-refractory auxiliary material with limited water resistance and heat resistance up to approximately 200°C. Direct skin contact may cause slight irritation. The material is odorless at high temperatures. Use of rubber gloves and masks is recommended during handling. Not intended for contact with children. Made from high-quality materials designed for optimal performance and durability. Please verify product dimensions before purchase to ensure compatibility with your requirements. For any questions regarding the product, feel free to reach out for support.