High-performance flexible thin spray liner for coal mine roadway reinforcement and underground construction safety.
Summary Benefits at a Glance
High Flexibility – Elongation at break ≥10%, adapts to ground movement
Reliable Strength – Tensile strength ≥1.5 MPa; bonding ≥1.5 MPa
Fire & Anti-Static – Complies with MT/T 113-1995 for safety in coal mines
Quick Setting – Surface dry in 60 minutes, fully dry within 8 hours
Product Introduction
T2305 Flexible Thin Spray Liner is engineered to meet the requirements of T/CCS 075-2023 for coal mine roadway reinforcement. Applied by spraying, it forms a durable, flexible, and fire-resistant coating that delivers reliable surface support, crack resistance, and anti-corrosion performance.
The material ensures excellent performance in demanding underground conditions, providing both early strength and long-term durability. It is widely used in coal mines, underground tunnels, and industrial construction where safety and stability are critical.
Product Parameters
| Property | Requirement |
|---|---|
| Maximum Exothermic Temperature (°C) | ≤ 40 |
| Surface Drying Time (min) | 60 |
| Hard Drying Time (h) | 8 |
| Tensile Strength (MPa) | ≥ 1.5 |
| Elongation at Break (%) | ≥ 10 |
| Bonding Strength (MPa) | ≥ 1.5 |
| Fire Resistance | Complies with MT/T 113-1995 |
| Surface Resistivity (Ω) | Complies with MT/T 113-1995 |
| Corrosion Resistance (15 d) | No corrosion |
Packaging: 20kg plastic buckets; Shelf Life: 12 months in dry, ventilated storage.
Product Usage
Mixing – Prepare material as per technical instructions to ensure uniform consistency.
Spraying – Apply using standard spraying equipment in thin, even layers.
Curing – Surface dries in ~60 minutes, complete drying in 8 hours.
Safety – Ensure ventilation in underground conditions and use protective equipment.
Product Documentation
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Our products have undergone rigorous testing at our national testing laboratory (CABR testing center co., ltd). Renowned Fortune Global 500 firms such as China Railway Group Limited, China Communications Construction Company Limited, and Sinohydro are among our esteemed clients.
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