The Standard Ground Joint, Socket, Single is a precision-crafted interchangeable glass joint used to connect laboratory glassware components securely and reliably. Designed to form a tight, leak-free seal with matching cone joints, it ensures smooth assembly in distillation, extraction, synthesis, and analytical setups. Its accuracy, durability, and compliance with global standards make it essential for professional, scientific and industrial applications.

 Key Features

• Manufactured from premium Borosilicate Glass 3.3 for high strength and chemical resistance
• Precision-ground socket joints ensure tight, stable, and leak-proof connections
• Smooth grinding finish for excellent sealing performance
• Fully compliant with ISO 383 / DIN 12249 interchangeable joint standards
• High thermal shock resistance suitable for heating and cooling cycles
• Compatible with standard laboratory cones of matching size
• Reinforced design for repeated long-term use without wear
• Ideal for complex modular glassware assemblies

Material Specifications

• Material: Borosilicate Glass 3.3

Thermal Properties:

• Extremely low thermal expansion
• Resistant to rapid temperature changes
• Suitable for high-temperature operations and autoclaving

Chemical Properties:

• Inert to most laboratory chemicals, solvents, and acids
• Non-porous, easy-to-clean surface ensures contamination-free operations

Mechanical Properties:

• Robust mechanical strength with precision-machined grinding
• Maintains contact accuracy even with continuous use

Compliance:

• ISO 383
• DIN 12249
• Meets international requirements for interchangeable laboratory joints

Technical Specifications

• Available Joint Sizes: Common sizes including 10/19, 14/23, 19/26, 24/29, 29/32, 34/35, 40/38, etc.

Dimensions:

• Standardised socket length and taper angles
• Precision-controlled wall thickness

Tolerance: Manufactured under strict dimensional tolerances for perfect interchangeability

• Calibration: Not applicable for this non-measuring component

Packaging:

• Individually packed or bulk-packed in protective, export-safe cartons
• Foam, separators, or blister packaging to prevent breakage

Accessories (Optional):

• Joint clips
• Matching cone joints
• PTFE sleeves or lubricants

 Handling & Precautions

• Handle with care to avoid chipping the ground surface
• Clean using mild laboratory detergents—avoid abrasive scrubbing
• Suitable for autoclaving; follow borosilicate temperature guidelines
• Avoid sudden temperature shocks (e.g., direct flame to cold glass)
• Use PTFE sleeves or joint grease where needed
• Inspect joints for cracks or chips prior to assembly
• Store upright or in cushioned glassware racks to avoid damage

 Applications

• Chemical synthesis and reaction setups
• Distillation and reflux systems
• Organic chemistry and analytical procedures
• Pharmaceutical QC/QA laboratories
• Biotech, chemical, and industrial R&D environments
• University and research institution laboratories
• Any modular system requiring interchangeable glassware joints

Serves as a critical connector in daily laboratory workflows, ensuring secure, consistent, and contamination-free operations.

Why Choose MEDILAB

• 35+ years of expertise in manufacturing laboratory and scientific glassware
• Trusted globally, exporting to 40+ countries
• Premium export-quality production using Borosilicate Glass 3.3
• OEM / Private Labelling available for distributors and brands
• Strict quality assurance ensures consistency and reliability
• Strong, durable packaging engineered for safe international shipping
• Proven supply capability for universities, industries, and research labs worldwide