Material: polymer (UV polymer, slightly hydrophilic), rack PS. Non-sterile Untreated surface. Manufactured according to ANSI/SBS standards 1 to 4-2004 to ensure compatibility when carrying out manual processes and, in particular, automatic processes. Properties of BRAND plates ® microtiter plates: 96 well standard format Alphanumerically coded Free of endotoxins, DNase, DNA, RNase, non-cytotoxic Properties of the pureGrade™ microtiter plates: Chimney-shaped cavities Colour code: grey for standard plates F-profile (flat bottom shape) for precision optical measurements Microtitration plates pureGrade™ UV Suitable for the determination of nucleic acid and protein concentrations (at 260 and 280 nm respectively) Transmission at 240 nm is 80% Bottom: UV-transparent film, wall thickness 25 µm Delivery without lid.