YY-702H | High-Temperature Fire-Resistant Cement Mortar

YUNYAN YY-702H is an inorganic, fire-resistant and heat-insulating mortar designed to form a protective layer over approved concrete or steel construction. The TDS describes a factory-prepared, single-component material containing inorganic binders, reinforcement, and thermal-insulating fire-protection materials for professional spray or brush application.

For dependable results, specify High-Temperature Fire-Resistant Cement Mortar as part of a complete system, verify substrate compatibility, and follow the approved technical data sheet and site trial.

In specification and procurement searches, fire resistant mortar is the primary product term for this page. Buyers comparing a fire resistant mortar manufacturer can evaluate technical compatibility, packaging, and project support with YUNYAN. For applications requiring fireproof mortar for tunnels, complete a site trial and follow the approved installation method.

Key Features & Benefits

· Forms a protective layer intended to slow heat transfer to the underlying construction substrate.

· Designed for professional fire-protection systems on approved concrete, masonry, or steel assemblies.

· Applied as a continuous coating or mortar layer at the specified thickness.

· Suitable for infrastructure, industrial, underground, or building applications according to the approved system.

· Requires trained installation and project-specific verification of substrate, thickness, and fire-resistance design.

Recommended Applications

· Steel structures.

· Concrete tunnels.

· Underground structures.

· Fire partitions and slabs.

· Industrial and infrastructure projects.

Why Choose YUNYAN

Choose this product when the project brief calls for fire resistant mortar with clear technical documentation and consistent supply. YUNYAN supports importers, contractors, and distributors that need a responsive fire resistant mortar manufacturer. Where the specification requires fireproof mortar for tunnels, the final system should be confirmed against substrate conditions and service exposure.

Application Guide

1. Confirm the approved fire-protection design, substrate, primer or bonding layer, target thickness, and environmental conditions.

2. Prepare the substrate to provide a sound, clean, and compatible surface.

3. Mix and apply by the approved spray, trowel, brush, or roller method in controlled layers.

4. Measure wet and dry thickness, repair defects, and allow the complete system to cure before inspection and service.

Packaging, Storage & Safety