Phenolic fire-resistant door core board

The core plate of a fireproof door is a structure that plays a major role in fire prevention. Generally, the main material of the core plate of a fireproof door needs to remain stable in flames for a long time, and will not burn or deform, playing a certain role in fire prevention and isolation.
1. Good fire resistance, non flammable when exposed to fire, non melting and non shrinking, and no dripping objects.
2. Phenolic sandwich panels have a high fire resistance R value and are classified as non combustible. The 50mm color steel sandwich panel has a fire resistance of up to 1 hour. It belongs to environmental protection products and will not produce harmful gases such as smoke and poison when exposed to fire.
3. Phenolic sandwich board can be customized with a density of 30-100KG/m ³， After being made into a color steel sandwich panel, it has good flatness, strong bonding force between the steel plate and the core material, high overall strength, bending resistance, and good insulation effect.
4. Phenolic sandwich panels have stable dimensions and high production efficiency. Not only can basic dimensions be met, but various sizes can also be customized.
5. Environmental protection. Workers will not produce substances that can cause skin cancer itching during production or on-site construction.