Preservatives: Imidiazolidinyl and diazolidinyl urea

Imidiazolidinyl urea is one of the most common preservatives, found as Germall 115 (a powder). Created through a chemical reaction of allantoin and formaldehyde in the presence of a sodium hydroxide solution, it’s then neutralized with hydrochloric acid and evaporated.It’s a good anti-bacterial preservative that isn’t great with fungus, so it is generally combined with…

You are not logged in. This content is for $1 Level, $5 Level, $3 Level, and $10 Level members only. Please login if you are a member.
Log InSubscribe