Harmful Chemicals Commonly Used in the Polymer Industry

Chapter 4: Activators and Accelerators

These chemicals are used to enhance the vulcanizing process. The first accelerators used were materials based on inorganic chemicals. They included basic Lead Carbonate, Lime, Magnesia, and litharge. Inorganic accelerators remained the most important type for many years. Today, they have largely been superseded by organic accelerators because organic accelerators are more powerful and produce vulcanizates of much greater strength and higher quality and durability.

Azodicarbonamide-Azobisformamide

This chemical is commonly known as Kempore SDA-200 in the polymer industry.

Possible Hazards

Experimental data reveals that exposure to this chemical for long periods can lead to allergic reactions in extra-sensitive people. In addition, this material can cause severe irritation on contact with eyes.

Reactivity Data

At normal temperature, this chemical is stable but heat and open flames should be avoided to prevent any chemical reactions. This material is not compatible with oxidizing agents.

Carcinogenity

This material is not defined as a carcinogen by any regulatory list, such as OSHA, ACGIH, MAK, NTP NIOSH, or IARC.

Initial Incident Response

If a spill is noticed in a container of Azodicarbonamide-Azobisformamide, sweep up the spill and discard it in a container. A container of this product can present explosion or fire hazards, even when emptied. To avoid the risk of injury, do not cut, puncture, or weld on or near this container.

In the case of a fire involving Azodicarbonamide-Azobisformamide, the recommended extinguishing media are water spray, dry chemical, carbon dioxide, and foam.

As in any fire, prevent human exposure to the fire, smoke,...

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