0.5″ x 20′
For YellowJacket™ Portable H2S analyzers.
ChemFilmTM is much more reactive, accurate and durable than any other paper sensing tape ever made.
ChemFilmTM lead acetate-impregnated sensing tape is a highly evolved innovation of the original tape used in the long-standing, industry standard, ASTM approved method for detecting and measuring Hydrogen Sulfide (H2S) in natural gas.
7 year shelf life when unopened and stored in a cool, dry place.
*ChemFilmTM should be used within 45 days of breaking sealed package.