| http://www.w3.org/ns/prov#value | - However, when employed as a stabilizing additive for materials such as organic polymers, the para-tertiary alkyl phenyl substituted pyrimidines and triazines of the present invention are typically employed in amounts from about 0.01 to about 20% by weight, preferably from about 0.1 to about 10% by weight, and most preferably from about 0.1 to about 5% by weight, based on the weight of the material
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