MgO (Magnesium Oxide) flooring, also known as magnesium oxychloride flooring, is an inorganic composite material engineered from a chemical reaction between magnesium oxide (MgO), magnesium chloride (MgCl₂), and water.
Its structure is typically composed of five distinct layers:
- Wear-resistant Layer: The top surface that resists scratches and traffic.
- Decorative Layer: Provides the visual pattern or design.
- MgO Core Layer: The central structural layer, providing waterproof and fireproof properties.
- Balance Layer: Adds stability and prevents warping.
- Backing Layer: The base layer providing support and moisture resistance.
The unique composition of the MgO core is what imparts the following key properties to the flooring:
- Exceptional Fire Resistance: MgO’s fire rating reaches China’s GB8624 A2 standard (non-combustible) or European EN13501-1 A2fl classification, exceeding the B1 rating (flame-retardant) of conventional flooring.
- Ultra-High Stability: The MgO substrate has an extremely low thermal expansion/shrinkage rate. This makes it ideal for underfloor heating systems, offering superior thermal conductivity compared to solid wood and no deformation over time.
- Eco-Friendly and Non-Toxic: No adhesives are added during production. Almost no formaldehyde emissions, surpassing China’s strictest ENF standard, and it contains no PVC, heavy metals, or volatile organic compounds (TVOC).
- Multifunctionality: The MgO substrate integrates waterproofing, mold/antibacterial resistance, and sound absorption, making it suitable for high-humidity or high-sanitation environments like kitchens, hospitals, and ships.
MgO Innovations
The innovations of MgO flooring are centered on its environmental sustainability across the entire product lifecycle. The process begins with the use of pure, natural MgO minerals, which eliminates pollution at the source by avoiding recycled waste materials.
Its manufacturing is a low-carbon process, consuming 60% less energy than cement-based alternatives and generating zero greenhouse gas emissions during curing. With six years of experience manufacturing MGO flooring, HRFLOOR provides fire-resistant flooring solutions for large-scale projects, and has accumulated extensive expertise in this specialized field.
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