Reinforcement Materials
Wanhua Energy-Saving Polyurethane Grouting Material for Coal Mine Reinforcement is suitable for reinforcing fractured coal and rock masses in mines, tunnels, and other engineering applications. It boasts excellent bonding performance, flame resistance, and solvent corrosion resistance, along with a certain degree of flexibility that allows it to deform with rock layers while maintaining sealing and reinforcement effects. It has been certified by the National Mine Product Safety Center.
Water-Stopping Materials
Wanhua Energy-Saving Polyurethane Grouting Material for Coal Mine Water Sealing is suitable for waterproofing and leak sealing in mines, tunnels, and other engineering applications. It features extremely high strength and adhesion, excellent flame resistance, and solvent corrosion resistance, along with a certain degree of flexibility. In water-rich environments, it achieves rapid sealing through volume expansion and has been certified by the National Mine Product Safety Center.
Filling Materials
Wanhua Energy-Saving Phenolic Resin Foam for Coal Mine Filling and Sealing is suitable for various applications such as hollow filling and tunnel sealing in mines, tunnels, and other engineering projects. It effectively isolates air, seals gas, and provides reinforcement. The material boasts excellent adhesion, flame resistance, water resistance, and corrosion resistance, along with a certain degree of flexibility that allows it to deform alongside rock layers and walls.
Air Leakage Sealing (Blocking) Materials
Wanhua Energy-Saving Spray Material for Coal Mine Air Leak Sealing is suitable for sealing tunnels in mines, tunnels, and other engineering projects. It effectively isolates air and seals gas, with no release of toxic or harmful substances during application. The material exhibits no rebound during construction, does not sag or drip on vertical or overhead surfaces, and, once cured, offers high tensile strength, significant elongation, and excellent sealing performance.
Fire Prevention and Extinguishing Gel Material (Type 1)
Wanhua Energy-Saving High-Temperature Sealing Gel Material (Fire Prevention) Type 1 is suitable for sealed or abandoned tunnels, goaf areas, coal field fires, coal pile fires, and underground spontaneous combustion. It is also used in the spontaneous combustion zones of coal pillars adjacent to working faces, the coal pillars on both sides of preparation roadways, goaf areas, and high-roof areas. It effectively prevents gas accumulation and coal spontaneous combustion, providing preventive fire protection for working face goaf areas.
Fire Prevention and Extinguishing Gel Material (Type 2)
Wanhua Energy-Saving High-Temperature Sealing Gel Material (Fire Prevention) Type 2 is suitable for filling and sealing air leakage channels in upper and lower corner goaf areas, the shallow goaf areas between and behind working face supports, as well as abandoned and sealed tunnels. It is also used for preventing coal spontaneous combustion in local areas such as tunnels and the tops of supports, controlling local spontaneous combustion fires in goaf areas and behind supports, and sealing toxic and harmful gases underground.
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