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When it comes to modern construction and architectural design, ACP Sheets (Aluminium Composite Panels) are a popular material known for their versatility, durability, and sleek aesthetics. But when safety is a top priority—especially in high-rise buildings, hospitals, schools, and commercial complexes—choosing the right type of ACP Panel becomes critical. The major distinction lies between Fire-Retardant (FR) ACP Sheets and Normal ACP Sheets. In this blog, we will dive deep into the difference between Fire-Retardant ACP Sheets vs Normal ACP Sheets, helping you understand their features, composition, applications, and most importantly, their role in fire safety. What Are Aluminium Composite Panels (ACP)? Aluminium Composite Panels (ACP) are sandwich-type panels consisting of two thin aluminium sheets bonded to a non-aluminium core. These panels are lightweight, durable, and weather-resistant, making them ideal for both exterior cladding and interior decoration. They come in various finishes, colors, textures, and most importantly, fire ratings—classified mainly as FR ACP Sheets and Non-FR (Standard) ACP Sheets What Are Fire-Retardant ACP Sheets (FR ACP)? Fire-Retardant ACP Sheets are specifically designed to resist ignition and slow down the spread of fire. These panels have a fire-retardant core, typically made from mineral-filled materials like magnesium hydroxide or aluminum hydroxide, which do not catch fire easily. They are manufactured under strict quality standards and comply with global fire safety norms like: A2 Grade: Non-combustible core B1 Grade: Limited combustibility Key Features of FR ACP Panels: Slows down fire spread Emits less smoke and toxic gases Maintains panel integrity under high temperatures Complies with international fire safety standards What Are Normal ACP Sheets? Normal ACP Sheets, also referred to as Non-FR ACP, contain a core made of polyethylene (PE) — a material known for its high flammability. These are cost-effective and commonly used in low-risk environments like small commercial shops, signage, or residential interiors. However, due to their flammable core, they are not recommended for high-rise buildings or fire-prone zones. Limitations of Normal ACP Panels: Quick fire spread High smoke and gas emissions Risky for use in public or tall structures Generally non-compliant with fire safety codes