Thiele’s Melting Point Tube is a specially designed glass apparatus used for the rapid and accurate determination of melting points in chemical, pharmaceutical, and academic laboratories. Its unique angled side arm allows for uniform heat distribution, ensuring consistent temperature rise during testing. Essential for purity analysis and thermal characterisation, this tube delivers reliable results critical to research, quality control, and analytical workflows.

 Key Features

• Manufactured from premium Borosilicate Glass 3.3 for superior heat and chemical resistance
• Side-arm design ensures efficient and even heat transfer during melting point determination
• Transparent, high-clarity glass for excellent visibility of samples
• Resistant to thermal shocks and high-temperature gradients
• Suitable for repeated heating cycles without deformation or breakage
• Smooth edges and precision forming for user safety and consistency
• Compatible with standard laboratory heating sources

Material Specifications

• Material: Borosilicate Glass 3.3

Thermal Properties:

• Low coefficient of thermal expansion
• High resistance to rapid temperature changes
• Suitable for high-temperature applications

Chemical Resistance:

• Inert to most acids, solvents, and organic compounds
• Non-reactive with typical laboratory reagents

Mechanical Properties:

• High mechanical strength
• Robust and durable for long-term laboratory use

Compliance:

• Manufactured according to common international laboratory glassware standards (ISO/DIN equivalents)

 Technical Specifications

• Available Sizes: Standard laboratory dimensions for melting point determination
• Tube Length: Typically 150–200 mm (custom lengths on request)
• Internal Diameter: Standard ID for capillary tube and sample insertion
• Side Arm Angle: Optimised for uniform heat circulation
• Accuracy & Tolerance: Precision-formed glass with controlled dimensional tolerance
• Calibration: Not applicable (physical glass apparatus)
• Accessories: Optional capillary tubes available upon request

Handling & Precautions

• Handle gently to avoid chipping or micro-fractures
• Clean with standard non-abrasive laboratory detergents
• Compatible with autoclaving and dry heat sterilisation
• Recommended heating limit: Follow standard borosilicate thermal guidelines
• Avoid sudden extreme temperature changes to prevent thermal shock
• Always inspect for cracks before use
• Store in a dry, dust-free environment to maintain clarity and integrity

 Applications

• Pharmaceutical melting point determination
• Chemical analysis and purity checks
• Research laboratories and university practical sessions
• Quality Control (QC) and Quality Assurance (QA) departments
• Organic and inorganic chemistry experiments
• Product development and material characterisation
• Used widely in pharma, biotech, chemical, food, cosmetic, and academic institutions