50 Pack Conical Centrifuge Tubes, 50mL Plastic Test Tubes with Screw Caps, Polypropylene Container with Graduated and Write-on Spot

PREMIUM MATERIAL: Centrifuge tubes are made of high-purity PP material, non- pyrogenic, DNase/RNase free, it is autoclavable at 121℃/249.8℉ and freezable to -80℃/-176℉. EASY TO READ: The transparent appearance with high visibility allows you to easily view the internal samples , 50mL centrifuge tubes sterile with easy-to-read white graduations , ranging from 5.0ml to 45ml, in increments of 2.5ml WRITING AREA: Centrifuge tubes also include a large white writing area for easy marking and identification.The patches are nice for labeling and both the graduations and writing areas are chloroform-resistant. LEAK-PROOF: Centrifuge tubes are designed to have longer length screw caps with sealing rings to prevent leakage . The cap can be closely screwed to the centrifuge tube which has great performance of sealing and prevent liquid leaking effectively. Smooth and flat inner surface, no residual solution. WIDE APPLICATIONS: Our plastic centrifuge tubes are general used in fields of biochemistry and molecular biology，such as separation and preparation of various biological samples.