Polyester Grout—Radiation Technology

Radgrout-H was immersed in each of the following chemical solutions at room temperature, and aged continuously as indicated. The specimens were then examined and the observations are shown below. 

Solution 14 Days 90 Days 355 Days Appearance Change 

Concentrated Ammonium Hydroxide None 1.1% Very Slightly Darker 

10% Ammonium Hydroxide None 3% 0.5%. Very Slightly Darker 

10% Sulphuric Acid None None 0.2% Very Slightly Darker 

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