LATEX SOMETIMES HAS A HEAVIER AMMONIA SMELL WHILE AT OTHER TIMES IT IS A LITTLE MILDER.WHY?
Cementex imports latex directly from several sources in the Far East. Sometimes the latex gets contaminated by bacteria. Since ammonia is used not only as a preservative, but also as a fungicide, the stronger smell indicates that more was needed to combat bacterial action. You may also notice a reduction in viscosity associated with the additional ammonia.