Addenda Corporation 


Metals And Additives Corporation, Inc.

(MAC) is a private holding company for three separate corporations – OMNI Oxide Corp., Addenda Corporation and PAG Holdings, Inc. The headquarters for MAC is in Indianapolis, Indiana USA. All MAC locations are ISO 9001:2000 Certified.

Addenda Corporation


Addenda Corporation, incorporated in 1999, began production of plastic additives in early 2000 at a new production facility in Brazil, Indiana. President Gary Mitchener and co-founder, Mark McCaughey combined over 50 years of very successful chemical processing experience into building the most modern and cost-efficient facility in North America.



Introduction to carbon black

Carbon black is an amorphous carbon obtained by incomplete combustion or thermal cracking of hydrocarbons to obtain agglomeration of carbon black into spherical particles by spherical primary particles.


Negative electrode expansion agent

Ball milling process


With the impact force, friction and shearing force of the ball, a variety of materials with different particle sizes and different surface activities can be uniformly dispersed.

The negative expansion agent of the addiBatt series is produced by a unique ball milling process, which effectively solves the shortcomings of poor hydrophilicity and dispersibility of materials such as carbon black and barium sulfate.

The addiBatt expansion agent of the ball milling process effectively improves the consistency and dispersibility of the negative electrode material in the lead paste, which helps to improve the consistency and stability of the battery.



Fumed silica

addiBatt FC-200 has small particle size, large specific surface area, strong surface adsorption, large surface energy, etc. It has excellent properties, excellent stability, thickening and thixotropic properties, less surface adsorption water, and gelling ability. Stronger, the best colloidal structure is formed in the sulfuric acid solution.



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

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