The MEDILAB Glass Screw Thread with Cap, Washer & Connector is a precision-engineered assembly designed to provide secure, leak-proof connections in laboratory glassware systems. This set includes a high-quality glass screw thread, a PP/Plastic screw cap, a silicone washer, and a plastic connector, forming a complete interface for fluid handling and sample transfer. The system ensures dependable sealing, chemical safety, and versatility across a wide range of laboratory and industrial workflows.

 Key Features

• Precision-formed glass screw thread ensures accurate and reliable sealing
• Includes a durable plastic screw cap, silicone washer, and plastic connector for complete compatibility
• Excellent chemical, thermal, and mechanical resistance due to Borosilicate Glass 3.3
• Leak-proof assembly ideal for liquid handling and sensitive sample operations
• High-dimensional accuracy for consistent fit and performance
• Smooth internal surfaces minimize sample retention and contamination risks
• Suitable for repeated use, cleaning, and autoclaving under standard conditions
• Compatible with a wide range of lab tubing, bottles, and custom glassware setups

Material Specifications

• Glass Material: Borosilicate Glass 3.3
• Thermal Properties:
  Exceptional resistance to thermal shock
   Low thermal expansion coefficient (~3.3 × 10⁻⁶ /K)
• Chemical Resistance:
  Resistant to acids, bases, organic solvents, and most laboratory reagents
  Smooth, non-reactive glass surface prevents leaching or contamination
• Mechanical Properties:
   High structural integrity for repeated tightening and connection cycles
• Standard Compliance:
  Manufactured to meet international glassware guidelines (DIN/ISO equivalents)

 Technical Specifications

• Available Sizes:
  Multiple thread sizes available to match different tube and bottle diameters
   Custom dimensions can be produced for OEM applications
• Components Included:
  Glass screw thread
   Plastic screw cap
   Silicone washer
   Plastic connector
• Tolerance / Accuracy:
   Tight dimensional accuracy ensures perfect alignment and leak-free sealing
• Packaging:
   Individually protected in foam or bubble-wrapped sleeves
   Export-grade cartons ensure safe international shipping
• Optional Add-Ons:
  Replacement caps, washers, and connectors are available
  Custom colors and private branding for large orders

Handling & Precautions

• Avoid excessive force when tightening the cap to protect the glass thread
• Use only compatible tubing and fittings to avoid stress on the connector
• Clean using standard laboratory detergents or approved glassware cleaning agents
• Autoclavable under standard lab conditions; avoid rapid temperature changes
• Do not expose the plastic components to direct flame or extreme heat
• Inspect regularly for cracks, chips, or damaged washers to maintain safety
• Store in padded trays or protective sleeves to prevent abrasion or breakage

Applications

• Pharmaceutical & Chemical Laboratories: Secure liquid transfer, reagent storage, sample handling
• Biotechnology & Life Science Labs: Sterile workflows, media transfer, culture operations
• Quality Control & Analytical Labs: Controlled sample entry points for analytical instruments
• Research & Academic Institutions: Glassware assembly for various experiments
• Industrial R&D & Pilot Plants: Modular connection points for custom glass systems

This connector assembly plays a key role in ensuring safe, accurate, and contamination-free laboratory operations.

 Why Choose MEDILAB

• 35+ years of expertise in laboratory glassware manufacturing
• Exporting to 40+ countries, trusted by global distributors and scientific institutions
• High-precision, export-quality production with strict quality control
• OEM and private labeling options for brands and distributors
• Consistent quality, long service life, and reliable performance
• Strong global supply capability with protective, export-safe packaging