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As fire safety requirements in construction projects continue to rise, the demand for fire-resistant decorative panels is also growing. Fire-resistant decorative panels on the market are generally divided into two categories: organic decorative panels based on wood or natural plant fibers, also known as flame-retardant panels; and Class A non-combustible inorganic panels, also known as non-combustible panels, made from siliceous or calcium materials and offering excellent fire resistance. Let's explore the differences between flame-retardant and non-combustible panels.
Different fire resistance
Fire resistance is the biggest difference between flame retardant boards and non-combustible boards.
Flame-retardant panels (including Qiannianzhou flame-retardant plywood and flame-retardant OSB boards) have a fire rating of B1. When exposed to open flames or high temperatures in the air, B1-rated materials are unlikely to catch fire. Once ignited, they can slow the burning speed and reduce the intensity of the fire, effectively preventing the spread of the fire. Once the fire source is removed, the fire will quickly extinguish.
Non-combustible boards are different. They have a fire protection grade of A and will neither burn nor start a flame. They can self-extinguish under the hanging combustion test. The carbon, nitrogen, phosphorus and other elements they contain can absorb, dilute and block the oxygen of the fire source, making it impossible to maintain the flame and it can extinguish itself.
Different application areas
Flame-retardant panels are made of thin, rough wood veneer and are commonly used in interior design for partitions, walls, and ceilings. Non-combustible panels are decorative fire-resistant building materials. Their smooth, flat surface, vibrant colors, and metallic texture make them popular in public spaces, high-rise buildings, subways, and other areas requiring high security. Ice-fire panels and crystal rock panels are both excellent examples of the non-combustible panel family.
Different product structures
In addition, the structure of flame-retardant boards is mostly fibrous or porous materials. Flame retardants are infiltrated into solid wood veneers to inhibit and prevent the boards from burning, thereby achieving a fire-proof effect. The surface is a thin wood veneer with a rough surface. Non-combustible boards are made of siliceous or calcareous materials. The structure is usually dense plate-like and not easy to burn. There is a layer of refractory material on the surface that can effectively block flames. The surface of the non-combustible board is very rich in color and has a unique texture. In addition, the non-combustible board is also very wear-resistant and scratch-resistant, has waterproof properties and is not easy to mold.
In general, both flame-retardant and non-combustible panels are excellent fire-resistant materials for building materials, but each has different meanings and application scenarios. The construction industry should select the appropriate material based on actual needs to achieve better fire protection and safety performance.