Guangzhou Addenda Chemical Co., Ltd. was established in 2011 and is a wholly-owned subsidiary of MAC Group in China. It is mainly responsible for marketing in the Asia Pacific region.


Guangzhou Addenda Chemical Co., Ltd.
Address: 1014-1016, Metropolitan Plaza, Tianhe North Road, Tianhe District, Guangzhou, China
Phone: 020-87562371
Email: addenda@addendachemical.com


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Charmax NH-5000

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Charmax NH-5000 is a halogen-free intumescent flame retardant with high thermal stability low water solubility based on synergistic phosphorus and nitrogen chemistries.


Typical Properties


Appearance White powder

Phosphorus content,%

Nitrogen content,% 19-23
1% weight loss(10℃/min, air) >260℃

5% weight loss(10℃/min, air)

Median particle size, μm <10
pH(10% suspension in water at 25℃) 4-5




Charmax NH-5000 is particularly suitable in polypropylene, polyethylene, EVA as well as other polymer systems.




Standard packaging is 25 Kg. Special packages are available on request.


Health and Safety


The use of proper protective equipment is recommended . Excess exposure to the product should be avoided. Wash thoroughly after handling. Store the product in a cool dry, well ventilated area away from incompatible materials. For additional handling and toxicological information, consult the Polymer Additives Group Material Safety Data Sheet.


Plastic additives