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You are in: Virtual Consultant > Service & Support > Q1 > Handling the curing agents > Aromatic amines.

 
Aromatic amines
 

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MDA (4,4'-methylenedianiline) and DDS (4,4'-diaminodiphenyl-sulfone) are both used for hardening or curing epoxies. MDA is known to cause reversible liver toxicity (hepatotoxicity), can damage the retina of the eye and is a suspected carcinogen. DDS on the other hand has no known effects due to occupational exposure. Other aromatic amines are considered to be only slightly irritating to the skin.

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