Bytac® Bench protectors, FEP Film with Vinyl or Aluminum Backing. Inert to most chemicals - Non-stick; easy to clean - Use to resurface bench tops and line fume hoods. Contrasting work surface for viewing color changes during titrations. Protects surfaces against absorption of radioactive chemicals. Vinyl backing is recommended for all applications up to 93°C. Aluminium foil-backing is resistant to high temperatures up to 182°C for up to one hour.