This product is specifically designed for use in applications where cleanliness levels meeting or exceeding IEST-CC-STD 1246D level 100 are necessary. CLEANTUFF contains no additives such as slip, anti-block or antioxidants and exhibits excellent characteristics in the areas of Ionic Contamination, Outgassing, Non-Volatile Residue and Cleanliness. It does not exhibit the typical characteristics of Low Density Barefoot material such as difficulty in opening. This material is a Non-Mar / Non-Scratch material and has added strength, puncture resistance and enhanced sealability. Increased attributes allow for downgauging or greatly improving the performance over standard resins. Added Strength & Puncture Resistant Film.