4 ml Polyethylene Vials with Unlined Polypropylene Screw Caps
WEBPolycarbonate Vials are also preferred for cryogenic grinding. Each 4 ml Polyethylene Vial has a working volume of 4 ml and is suitable for homogenizing up to 200 mg of sample. Recommended for use with 3/8" Stainless Steel Grinding Balls and 5/16" Stainless Steel Grinding Balls (not included).