CAS Number:NA Description:Proportionally reduces signals on overexposed x-ray film. Kit includes UnDo™ X-Ray Film Background Reducer Solution A, 1 L and UnDo™ X-Ray Film Background Reducer Solution B, 1 L. Simptaly submerge ando agite the film in Solution A for 1-4 minutes. Stop the reaction by removing Solution A and agitating the film in Solution B for 5 minutes. |