Centrifuge Tube Conical Bottom, PP

The GISCOM Centrifuge Tube Conical Bottom, PP, is a high-performance laboratory tube engineered for secure sample handling, high-speed centrifugation, and precise volume measurement. Designed for demanding workflows in life sciences, pharmaceuticals, diagnostics, and research facilities, these tubes ensure sample integrity during centrifugation and storage. Their clarity, strength, and leakproof construction make them essential for routine analytical and biological procedures.

Key Features

• Made from high-clarity PP for excellent visibility and sample monitoring.
• Conical bottom for efficient pellet formation and complete sample recovery.
• Autoclavable tubes with solvent-resistant printed graduations.
• Built-in cap seal ring ensures a 100% leakproof performance.
• Withstands high centrifugation forces up to 7500 × g (15 mL) and 12000 × g (50 mL).
• Available in sterile and non-sterile formats to suit varied applications.
• Strong, shatter-resistant body ideal for high-speed centrifugation and cold storage.
• Easy-to-read graduations for accurate sample volume tracking.
• Universal cap design compatible with most rotor systems and centrifuge adapters.

Material Specifications

• Material: Medical-grade Polypropylene (PP).
• Thermal Properties: Autoclavable up to 121°C; suitable for cold storage down to −80°C.
• Chemical Resistance: Resistant to common laboratory chemicals, buffers, enzymes, and biological media.
• Mechanical Properties: High tensile strength and excellent impact resistance, even at low temperatures.
• Standards: Manufactured under ISO-compliant cleanroom conditions and validated for laboratory use.

Technical Specifications

• Available Capacities: As per the standard size table
• Design: Conical bottom with flat or skirted cap (depending on size).
• Graduations: Printed, fade-resistant, and solvent-resistant for long-term accuracy.
• Centrifugation Resistance: 15 mL tube: up to 7500 × g; 50 mL tube: up to 12000 × g
• Sterility: Available as sterilised (gamma/ETO) and non-sterile.
• Packaging: Bulk pack or sterile individual packs; export-ready master cartons.
• Accessories Included: Leakproof screw caps with sealing rings.

 Handling & Precautions

• Ensure caps are firmly tightened before centrifugation to maintain leakproof integrity.
• Do not exceed recommended g-forces to prevent tube deformation.
• Autoclave only when caps are loosened slightly to avoid pressure buildup.
• Avoid using harsh organic solvents that may compromise polypropylene.
• Store away from direct sunlight to maintain material strength and marking visibility.
• Dispose of tubes according to biohazard and laboratory waste regulations.

 Applications

• Life Sciences & Molecular Biology: Sample preparation, cell pelleting, and nucleic acid extraction.
• Pharmaceutical QC/QA: Stability testing, compound preparation, and analytical workflows.
• Biotechnology & Diagnostics: Assay preparation, reagent storage, and centrifugation procedures.
• Chemical & Industrial Labs: Separation processes, general-purpose centrifugation.
• Academic & Research Institutions: Ideal for routine laboratory practices and training environments. These tubes integrate seamlessly into daily workflows, requiring robust sample containment and reliable centrifugation performance.