15 mL, Centrifuge Tube, Conical Bottom, White Cap "1332-015S" (48 pieces)

Half plug seal, sealing point, Triple thread screw.A centrifuge tube with ingenuity throughout to maintain high airtightness. Material: Body: Polypropylene　　 Cap: Polyethylene   ■Airtightness Sealing point The protrusions on the cap indicate you the best sealing position when it fits on the groove.   The left picture shows too much screwing when the protrusions go over the groove.   The left picture shows posible loosening the cap and sample leakage when the protrusions come before the groove.     Half plug seal Bigger sealing area performs higher airtightness. Tripple thread screw Triple thread screw enables easy open / close with less rotation. It also prevents screwing a cap diagonally.   ■Convenient function Wide writing space It has wide writing space on a cap and the frosted area on the body.   High precision-scale till the cone top Graduation is molded so that it does not fade away. Scale is made till 0.5 mL line at the cone.   Centrifugal force：18,000 × G（14,100 RPM）