The Wincom Plastic Circular Test Tube Pack is a premium collection of round-bottom, high-clarity sample tubes engineered for everyday laboratory testing, clinical diagnostics, and chemical sampling. Manufactured from medical-grade, chemically inert polymers, these test tubes feature a perfectly molded circular base that ensures uniform fluid dynamics and maximum structural strength. Designed to replace fragile glassware, these impact-resistant plastic tubes offer a safe, leak-proof, and highly dependable solution for biological sample storage, centrifugation, and educational science experiments.

Technical Specifications

• Product Type: Round-Bottom (Circular) Plastic Test Tubes with Caps

• Material Composition: Premium high-clarity Polypropylene (PP) or optical-grade Polystyrene (PS)

• Tube Bottom Profile: Seamless molded circular (round) bottom for optimal pelleting and mixing

• Available Size Variants: Standard laboratory dimensions (e.g., 12x75mm, 13x100mm, or 16x100mm depending on specific pack configuration)

• Volumetric Capacities: Ranging from standard 5ml, 7ml, to 10ml options

• Closure System: Included tight-fitting, leak-proof polyethylene push caps or dual-position snap caps

• Pack Quantity: Economical bulk pack layout tailored for high-volume commercial and institutional laboratories

• Thermal Endurance: Polypropylene variants are stable under cold storage and chemical processing temperatures

Key Features

• 100% Shatter-Proof Polymer Build: Made from high-impact structural plastic that completely eliminates the risk of dangerous glass breakage, safeguarding laboratory technicians from biohazard exposure and chemical cuts.

• Premium Optical Clarity: Features a highly transparent crystal-clear wall design that enables effortless visual monitoring of color changes, fluid levels, precipitation lines, and sample layers.

• Chemically Inert Surface: The non-reactive internal walls minimize sample binding and resist standard laboratory reagents, diluted acids, alkalis, and mild organic solvents, protecting sample integrity.

• Seamless Circular Fluid Flow: The perfectly rounded bottom geometry prevents liquid stagnation, allows for smooth vortex mixing, and ensures uniform force distribution during routine, low-speed centrifugation cycles.

• Evaporation-Proof Secure Seal: Accompanied by heavy-gauge flange push-caps that create an airtight, moisture-proof barrier, preventing sample cross-contamination and liquid evaporation during extended storage.

Primary Applications

• Clinical and Diagnostic Labs: Storing, mixing, and preparing human blood samples, urine specimens, and biological fluid extractions for routine medical profiling.

• Chemical and Industrial Sampling: Holding small liquid portions, testing pH variables, and evaluating chemical concentrations safely away from analytical glassware areas.

• Microbiology and Media Setup: Preparing, handling, and transferring small quantities of nutrient broths or holding non-autoclavable chemical indicators.

• Educational Classrooms and Science Kits: Providing a perfectly safe, non-breakable, and budget-friendly alternative for school and college students to practice manual pipetting and chemical coloring tests.