DIN4102-B1 & M1 Fire Retardant Coated Blackout Fabric | Safe & Reliable Flame Retardant Polyester Curtain 【Product Overview】 This fire retardant coated blackout fabric is engineered for environments with stringent safety requirements. It combines superior fire resistance with excellent blackout capabilities, having passed the rigorous German DIN4102-B1 and French M1 dual fire safety standards. Made from 100% polyester with a specialized coating, the fabric effectively blocks light while actively inhibiting flame spread in the event of a fire. This provides an additional layer of security for homes, hotels, and public spaces. With its exceptional fire retardant coated blackout fabric properties, this product is the perfect choice for creating a safe and comfortable indoor environment. 【Fabric Features & Parameters】 Dual Fire Certifications: Meets the requirements of both the German DIN4102-B1 and French NF P 92-507 M1 standards. Superior Flame Retardant Performance: According to DIN4102-B1, the fabric exhibits controlled flame height and short after-flame time. The M1 test confirms the absence of flaming molten droplets or debris, effectively preventing fire from spreading. High-Efficiency Blackout Function: The special coating effectively blocks light, ensuring privacy and helping to regulate indoor temperatures, which can reduce energy consumption. Durable Polyester Material: Made from 100% polyester, it is hard-wearing and easy to maintain. Versatile Applications: Ideal for hotels, hospitals, theaters, schools, and homes—any setting where strict fire safety standards are a priority, making it a perfect fire retardant coated blackout fabric.