Description
About GL 18 Borosilicate Glass Screw Thread Glass Tube
The GL 18 Borosilicate Glass Screw Thread Glass Tube from SGC LABS® is a precision-engineered component designed for high-performance laboratory assemblies. Constructed from premium-grade borosilicate glass, this borosilicate glass tube 18mm in diameter offers exceptional thermal stability and chemical inertness, making it ideal for creating leak-proof connections in glassware systems. As part of our ISO 9001:2015 certified production line, each tube is manufactured to strict dimensional tolerances, ensuring compatibility with standard GL 18 threaded caps and connectors for reproducible experimental setups.
Key Features & Specifications
- Material: High-quality borosilicate glass 3.3 – excellent resistance to thermal shock and aggressive chemicals
- Thread Size: GL 18 standard screw thread for secure, airtight sealing with GL 18 caps and accessories
- Outer Diameter: 18 mm nominal – the precise borosilicate glass tube 18mm dimension ensures perfect fit in laboratory apparatus
- Temperature Range: Withstands continuous use from -20°C to +200°C; short-term exposure up to 450°C
- Wall Thickness: Uniform 1.5 mm wall for enhanced mechanical strength and durability
- Compliance: Manufactured under ISO 9001:2015 quality management system; meets ASTM E438 Type I Class A standards
- SKU: GL18A – easy ordering and inventory tracking
- Length Options: Available in standard 100 mm, 150 mm, and custom lengths per request
Applications
- Research Laboratories: Ideal for constructing custom reaction vessels, condenser assemblies, and multi-neck flasks in organic synthesis
- Pharmaceutical QC: Used in analytical instrument interfaces and sample preparation manifolds requiring inert glass components
- University Teaching Labs: Essential for student experiments in distillation, reflux, and gas collection setups
- Chemical Analysis: Compatible with chromatography columns and solvent delivery systems where borosilicate glass tube 18mm dimensions are specified
- Biotechnology: Suitable for cell culture media filtration and sterile liquid transfer assemblies
- Industrial R&D: Employed in pilot plant glassware for process scale-up and high-temperature reactions
Why Choose SGC LABS®?
- Factory-Direct Pricing: Eliminate middlemen with wholesale rates from our ISO 9001:2015 certified facility in Ambala, India
- Global Export Expertise: Trusted supplier to 50+ countries since 2003, ensuring reliable shipping and customs compliance
- Custom Manufacturing: We offer bespoke lengths, wall thicknesses, and thread configurations for specialized laboratory glassware
- Consistent Quality: Every batch of borosilicate glass tube 18mm undergoes rigorous thermal and dimensional testing before dispatch
Technical Specifications
| Specification | Value |
| Brand | SGC LABS® |
| SKU | GL18A |
| Category | Scientific Glass Blowing Components |
| Origin | Ambala, Haryana, India |
| Compliance | ISO 9001:2015, ASTM E438 Type I Class A |
| MOQ | 10 units (custom orders negotiable) |
Contact for bulk orders, custom requirements, or export queries: sales@labsglass.com | +91 999 641 6935 | www.labsglass.com
