Compared Magnesium Hydroxide with Aluminum Hydroxide

Both magnesium hydroxide and aluminum hydroxide are the most important inorganic flame retardants. Their common characteristics are environment friendly, filling, smoke suppression and have flame retardant function. Aluminum hydroxide is one of the earliest inorganic flame retardant in time, having the features of no corrosive gas, good stability, flame retardant effect lasting, non-toxic, etc. Otherwise, magnesium hydroxide is one of the inorganic flame retardants currently in actively research and development at home and abroad, based on the advantages of aluminum hydroxide in the above, it is better than aluminum hydroxide in smoke suppression performance and thermal stability. Heat absorption capacity of magnesium hydroxide is higher than aluminum hydroxide 17%, more beneficial to improve the flame retardant efficiency. In summary, different flame retardants have different characteristics and USES.

Compared with aluminum hydroxide, the advantages of magnesium hydroxide as follows:

1.The thermal decomposition temperature of magnesium hydroxide is 330 ℃, higher than aluminum hydroxide 100 ℃, which is more conducive to improve the processing temperature, extrusion speed, shorten the molding time.

2.Magnesium hydroxide with acid have a strong neutralizing ability, can neutralize acid gases quickly in the progress of high polymer burning, such as CO2, NOX, SO2 and so on.

3.Magnesium hydroxide has high resolution capability, helping to absorb the heat of combustion, and improve the flame retardant efficiency.

4.Magnesium hydroxide has small hardness and strong smoke suppression ability. What is more, it has weak frictional force for equipment, and helps to prolong the lifetime.

Magical Effects of Magnesium Hydroxide

Magical effects of magnesium hydroxide:

1. Used as Acid solution, permeability laxative.

2. Magnesium hydroxide is excellent flame retardant of plastic, rubber products. In the aspect of environmental protection, it used as a basis for the flue gas desulfurization agent, instead of caustic soda and lime as neutralizing agent of acid wastewater.

3. Magnesium hydroxide is a new kind of filling type flame retardant. Through thermal decomposition releases combined water, absorb a large number of latent heat, in order to reduce its fill of synthetic material surface temperature in the flame. It can inhibit polymer decomposition and the combustible gas generated by the effect of cooling.

4. It can be used as a flame retardant or flame-retardant filler, added to the polyethylene, polypropylene, ABS resins and ethylene-limonene, playing the roles of flame retardant and smoke suppression.

In all, magnesium hydroxide is an important additive in industry production. More information, you can contact with Meishen Chemical Technology Co.,LTD to get, or send email to us, we promise to reply within 24 hours.

What Factors Determine the Activity of Magnesium Hydroxide

Because magnesium hydroxide with high dispersibility, so it is used as the most excellent flame retardant. And easily combine with high polymer or other materials, bringing great convenience to our life. Today, we are speaking about what factors determine the activity of magnesium hydroxide, so that enterprises have to make it in such a high degree of concern.

1.Magnesium hydroxide particle. The smaller the particle size, the big surface free energy, the higher of activity.

2.The crystallization of magnesium hydroxide. The more complete crystallization, the fewer defects; the more stable, the lower activity. High calcination temperature is conducive to the crystallization of magnesium hydroxide. The higher the temperature, the more complete the crystallization, the lower the activity.

Hebei Meishen Chemical Technology Co.,LTD is the professional manufacturer of magnesium oxide, magnesium sulfate, magnesium carbonate, zinc oxide, magnesium hydroxide and related inorganic salt products. We are the famous brand at home and abroad, welcomed warmly by many customers. We can custom made production according to your different demands. Best quality and reasonable price, contact us now !