Some articles on agent, tempering agent:
... alumina and stearic acid with sodium hydroxide added as a saponifying agent ... Problems arose, however, since there was no tempering agent and hot weather caused these records to decompose ... The next cause of the problem is that all stearic acid without a tempering agent takes on moisture, and after many experiments it was found that Ceresine was ideal ...
Famous quotes containing the words agent and/or tempering:
“The most durable thing in writing is style, and style is the most valuable investment a writer can make with his time. It pays off slowly, your agent will sneer at it, your publisher will misunderstand it, and it will take people you have never heard of to convince them by slow degrees that the writer who puts his individual mark on the way he writes will always pay off.”
—Raymond Chandler (18881959)
“Only after much tempering is steel produced.”