Introducing our high-quality {0.5-12mm thickness Kaowool paper heat insulation sealing ceramic fiber paper for fire door}. As a leading factory in the industry, we take pride in manufacturing this versatile product. This exceptionally durable and heat-resistant paper ensures optimal insulation and sealing performance for fire doors. With a thickness range of 0.5-12mm, our ceramic fiber paper guarantees superior protection against heat transfer and fire hazards. Trust in our factory's expertise, and choose our top-notch {Kaowool paper} for your fire door insulation needs.