Magnesium Hydroxide (Mg(OH)₂) is a halogen-free flame retardant active at 300–330°C, providing superior thermal stability, higher heat absorption, and a strong magnesium oxide barrier. It is used in adhesive and sealant formulations requiring high-temperatu...
Why Non-Halogenated Flame Retardants is the preferred choice for adhesives & sealants formulations
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Common questions about Non-Halogenated Flame Retardants in adhesives & sealants applications
Magnesium hydroxide is a halogen-free flame retardant that activates at 300–330°C. It is used in adhesives and sealants to provide high-temperature flame retardancy, smoke suppression, and thermal stability.
At 300–330°C, Mg(OH)₂ decomposes and releases water, absorbing heat, diluting flammable gases, and forming a protective magnesium oxide barrier layer that protects the substrate from further combustion.
Mg(OH)₂ is active at higher temperatures (300–330°C) compared to ATH (200–220°C), making it more suitable for adhesive and sealant systems processed at higher temperatures or requiring high-temperature fire resistance.
Yes. Mg(OH)₂ is halogen-free, non-toxic, and environmentally safe, making it fully compliant with stringent environmental regulations such as RoHS and REACH.
Yes. Combining Mg(OH)₂ (Super Mag 150 UC) with ATH (AL FR 9) provides multi-stage flame retardancy across a wider temperature range — from 200°C to 330°C — for comprehensive fire protection.
At appropriate loading levels, Mg(OH)₂ can contribute to mechanical stiffness and chemical stability in adhesive systems without adversely affecting elongation or flexibility when properly formulated.
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