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Class A1 Non Combustible Fireproof Rock Wool For Ventilated Facade

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Class A1 Non Combustible Fireproof Rock Wool For Ventilated Facade

Thermal Conductivity : ≤0.036, ≤0.035, ≤0.036 W/m·K

Payment Terms : L/C,T/T

Mass Moisture Absorption : ≤0.3%

Place of Origin : china

Combustibility : Class A1 non-combustible

Density : 80, 100, 120 kg/m³

Hydrophobic Rate : ≥99.0%

MOQ : 1 container.

Acidity Coefficient : ≥2.0

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Class A1 Non-Combustible Fireproof Rock Wool for Ventilated Facade

Product Overview

Our Class A1 non-combustible fireproof rock wool board for curtain walls meets the highest non-combustible material standard (Class A1) and is specially engineered for curtain wall systems with stringent fire safety requirements. Made from high-quality basalt through advanced processing, it does not burn, melt, or emit toxic fumes during fire, effectively preventing vertical flame spread through the gap between base wall and curtain wall system.

With excellent thermal insulation performance, it is the preferred choice for super-high-rise buildings, refuge floors, and critical public facilities.

Applications

Fireproof insulation for various ventilated facade buildings
Curtain wall insulation around refuge floors and fire compartments
Hospitals, schools, data centers, and other occupied facilities
Projects with strict fire safety inspection requirements

Technical Specifications

Parameter Product	SR80	SR100	SR120
Density (kg/m³)	80	100	120
Thermal Conductivity (W/m·K, 25°C)	≤0.036	≤0.035	≤0.036
Combustibility	Class A1 non-combustible
Acidity Coefficient	≥2.0
Hydrophobic Rate (%)	≥99.0
Mass Moisture Absorption (%)	≤0.3
pH value of aqueous extract	7.0 - 9.5

Class A1 Non Combustible Fireproof Rock Wool For Ventilated Facade

Key Features & Advantages

Class A1 Non-Combustible – Maximum Fire Protection

Certified Class A1 non-combustible: no burning, no molten droplets, no toxic fumes—fundamentally preventing vertical fire spread in curtain walls.

Zero Toxic Fumes During Fire – Life Safety

100% inorganic mineral fibers emit no carbon monoxide, hydrogen cyanide, or other toxic gases during fire, ensuring safe evacuation.

Lifelong Fire Performance

High acidity coefficient ensures corrosion and aging resistance—fire rating never degrades over the building's lifetime.

Energy Efficiency Compliance

Low thermal conductivity achieves both fire safety and energy efficiency goals.

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Class A1 Non Combustible Fireproof Rock Wool For Ventilated Facade

Class A1 Non Combustible Fireproof Rock Wool For Ventilated Facade

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