Zhejiang Jinhua External Wall Insulation Rock Wool Board Manufacturer Wholesale Price - Jinhua Yixinsong Insulation Materials. High compressive, tensile strength, and durability indicators ensure long-term stability and reliability of product performance. Rock wool is non-combustible, does not release heat or toxic smoke, and can effectively block flame spread during a fire, demonstrating excellent fire resistance. Superior thermal insulation and heat preservation properties can increase the thermal resistance value of building envelopes, reduce heating and air conditioning energy consumption, and achieve energy saving and emission reduction. It does not corrode carbon steel, aluminum (alloy), copper, and other metal materials or various components in buildings. It has efficient sound absorption and noise reduction, as well as physical characteristics of elasticity and vibration damping. It is moisture-proof, resistant to aging, and maintains long-term stable performance. It is lightweight, easy to cut and saw, and easy to process.