Celgard® 3419S Hand Sample Has the institution, researcher, or sponsor read the Celgard Information Sharing Agreement stated in the product description below and agreed to its terms?:YES 20 μm Microporous Monolayer Membrane

20 μm Microporous Monolayer Membrane (PP)

25 μm Microporous Monolayer Membrane (PP)

Property Unit of Measure Typical Value Thickness µm 25 Gurley (JIS) Seconds 200 Porosity (Calculated) % 55 TD Shrinkage @ TD Shrinkage @ 105º C / 1 Hour % 0 MD Shrinkage @ 105º C / 1 Hour % 2

220 Gurley (JIS)

•Uniform pore structure with high chemical & thermal stability

Celgard® 3419S Hand Sample Has the institution, researcher, or sponsor read the Celgard Information Sharing Agreement stated in the product description below and agreed to its terms?:YES 20 μm Microporous Monolayer MembraneALL PURCHASERS MUST REVIEW AND AGREE TO CELGARD'S INFORMATION SHARING AGREEMENT. Size 10 inches by 116 inches 8. 5 inches (8 ft 0. 6 ft ; 0. 75 m 0. 05 m) Approximate size, actual size may vary Description 25 m Hydrophilic Microporous PP Membrane Gas Barrier Primary Applications Large Format Vented NiCd Battery Systems; Including Aviation, Transportation and Telecommunication Backup Product Features 3419S provides gas barrier for thermal stability