Test Tube Cap, PP

GISCOM’s Test Tube Cap (PP) is a high-quality polypropylene cap engineered to securely seal standard laboratory test tubes. Its transparent design enables easy visual inspection of contents, while the precision-molded grooves ensure a tight, reliable fit. These caps help protect samples from contamination, leakage, and environmental exposure—making them essential across clinical diagnostics, research labs, and industrial testing environments.

Key Features

• Leakproof sealing design with integrated seal ring for maximum sample protection.
• High-clarity polypropylene for full visibility of tube contents.
• Precision grooves for a firm grip on the tube and compatibility with labeling systems.
• Durable, crack-resistant construction suitable for routine laboratory use.
• Lightweight, non-reactive, and easy to handle.
• Universal fit for standard test tube sizes (as per model specification).
• Chemical- and moisture-resistant to maintain sample integrity.
• Reusable and easy to clean for cost-efficient laboratory operations.

Material Specifications

Material: Premium-grade Polypropylene (PP)

Properties:

• Excellent chemical resistance to most laboratory reagents
• Thermal stability suitable for standard autoclaving cycles
• High impact strength and stress-crack resistance
• Non-toxic and biologically inert

Manufacturing Standards: Produced in ISO-compliant facilities, ensuring consistent global quality.

 Technical Specifications

• Available Sizes: Compatible with standard test tube diameters (custom options available).
• Dimensions: Precision-moulded caps with uniform wall thickness for consistent sealing performance.
• Tolerance: Tight dimensional accuracy ensures dependable fit across batches.
• Calibration: Not applicable (non-graduated accessory).
• Accessories Included: PP caps supplied ready-to-use; color variations available on request.

Handling & Precautions

• Autoclavable at 121°C; loosen caps during autoclaving to prevent pressure buildup.
• Clean using mild laboratory detergents; avoid abrasive scrubbing.
• Do not expose caps to temperatures beyond polypropylene limits to prevent deformation.
• Ensure proper seating on tubes to avoid leakage during centrifugation or transport.
• Store in a cool, dry, dust-free environment away from direct sunlight.

Applications

• Clinical & Diagnostic Labs: Sample protection, storage, and transport.
• Pharmaceutical & Biotech: QC/QA workflows, validation studies, and product testing.
• Chemical Laboratories: General sample sealing for reagents and test solutions.
• Microbiology & Life Sciences: Culture preparation, containment, and handling.
• Academic & Research Institutions: Routine lab experiments and teaching labs.

These caps help maintain sample integrity in daily laboratory operations, ensuring safety and reliability across diverse scientific and industrial applications.