Paper sheet protectors are made of polypropylene and are perfect for microchemistry experiments. Simply slip a paper grid for sample identification into the sheet protector and perform drop-size chemical reactions.
This clear polypropylene sheet protector is perfect for microchemistry experiments. High chemical resistance allows lab procedures to be done right on these plastic sheets. Simply slip a paper grid for sample identification into the sheet protector and perform drop-size chemical reactions. Holds 8½" × 11" sheets.