Interior Expansion Type Ultra-Thin Fire Retardant Coating - Features: Waterproof, water-resistant, rust-proof, strong adhesion, long-lasting durability, thin coating, high fire resistance, easy to apply. Beijing Huacheng Fire Retardant Coating complies with GB14907-2018 New Standard for Fire Retardant Coatings, offering complete fire retardant coating reports. Products include: interior and exterior expansion type steel structure fire retardant coatings, interior and exterior non-expansion type steel structure fire retardant coatings, special fire retardant coatings, and gypsum-based fire retardant coatings. Partner for mutual benefits; fire retardant coating production, sales, export, installation, and testing services with full qualifications. Factory direct supply with fire certification.