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Labfuhxo 50mL Free-Standing Centrifuge Tubes, [20 Items/1 Pack] Plastic Test Tube with Screw Caps, 50mL Sterile Test Tubes with Lids, Self-Standing Tubes with Printed Graduation and Write-on Spot
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Labfuhxo 50mL Free-Standing Centrifuge Tubes, [20 Features
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STURDY SELF-STANDING DESIGN Our 50ml self-standing centrifuge tubes are made of high-purity polypropylene (PP) with a reinforced flat base for stable upright placement on lab benches or in freezers. Autoclavable up to 121°C and chemically resistant, they withstand a maximum RCF of 9,000×g for high-speed centrifugation. The uniform wall thickness ensures durability while maintaining clarity for easy visual inspection of samples
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LARGE WHITE MARKING ZONE A frosted white labeling area on the tube’s side provides ample space for detailed notes with pens or labels. The textured surface prevents ink smudging, even when exposed to moisture or低温. Ideal for high-throughput workflows, this feature streamlines sample tracking and minimizes errors in multi-batch experiments
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HIGH-CONTRAST BLUE GRADUATIONS Laser-engraved blue graduations (1ml increments up to 50ml) offer ±2% accuracy and high visibility against the transparent tube. Resistant to autoclaving and solvent cleaning, these fade-proof markings comply with ISO labware standards, ensuring precise measurements in medical, biotech, or industrial applications
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LEAKPROOF SCREW CAP SEAL The threaded PP cap with an internal silicone gasket creates a dual-seal barrier, preventing leaks during inversion or centrifugation. Knurled edges allow secure tightening, compatible with standard rotors. Tested per ASTM D4991 standards, it reliably stores corrosive liquids or volatile reagents without leakage
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EO-STERILIZED & PREMIUM PACKAGING Each pack of 20 tubes is EO-sterilized and individually sealed in dust-proof aluminum foil bags for immediate use. Sterility complies with ISO 10993 biocompatibility standards, ideal for cell culture or PCR workflows. The resealable bag ensures hygienic storage of unused tubes
