A-D Acetate Film Testing Strips (250-Pack)

Use A-D Acetate Film Testing Strips (250-Pack) to detect and measure the severity of acetate deterioration in film and other acetate collections. These acid-base indicator dye-colored paper strips change color in the presence of acidic vapor given off by degrading film.

• Detect acetate deterioration, “vinegar syndrome” in film and other acetate collections
• Can be used to detect other acids released by adhesives, plastic, paper and textiles
• Place in a closed container with the sample material, the strip will change colors if acid gasses are released
• Results can take up to 7 days
• Relative humidity should be about 50% for optimum results
• Includes 250 testing strips, and handy color reference card