功能

• The flat top cap uses a triple seal cap with a leak-proof structure and is easy to write on the top.
• Polypropylene has a large allowable centrifugal force and low adsorption of cells and proteins.
• Polystyrene is transparent and suitable for sample observation, but allows less centrifugal force than polypropylene.
• DNase, RNase, DNA-free
• The printing scale uses highly chemical resistant ink, so there is little peeling off and easy to read. Comes with a marking spot for writing.
• Bulk packaged goods use zippered packages that can be resealed. Leftovers are easy to store.