Heavy-Duty Borosilicate Glass Test Tube (25mm x 150mm) with Rim — Apex Labs
Product Summary
The Apex Labs Heavy-Duty Borosilicate Glass Test Tube (25 mm × 150 mm) with Rim is engineered for high-performance laboratory applications, including routine clinical assays, bacteriological culture work, chemical testing, and direct heating procedures.
Fabricated from premium, low-expansion borosilicate glass with uniform wall thickness and a reinforced beaded rim, this test tube offers exceptional thermal shock resistance and optical clarity for reliable sample observation.

*Image for illustration purposes only.
Bulk Procurement & GeM Supply
Apex Labs supplies professional laboratory glassware and scientific equipment to academic institutions, research facilities, and industries. Fully compliant commercial GST invoices and active institutional tender and Government e-Marketplace (GeM) support are available.
Technical Specifications
Product NameHeavy-Duty Borosilicate Glass Test Tube with RimBrand & SupplierApex Labs, Varanasi, Uttar PradeshDimensions25 mm Outer Diameter × 150 mm LengthDesign FeatureReinforced Beaded RimMaterial CompositionLow-expansion borosilicate glassThermal & SterilizationWithstands direct heating and high-temperature steam sterilizationApplication RangeRoutine clinical assays, bacteriological culture, and chemical testing
Key Features
- High Thermal Shock Resistance:
Engineered to withstand direct heating and rigorous high-temperature steam sterilization cycles without cracking. - Superior Chemical Resistance:
Provides dependable immunity against corrosive acids, bases, and organic solvents used in routine lab testing. - Reinforced Beaded Rim:
Features a thickened rim design to ensure secure stopper fitting, enhanced mechanical strength, and safe handling. - Optically Clear Glass:
Uniform wall structure delivers distortion-free transparency for crystal-clear sample observation and measurement.
Primary Laboratory Implementations
- Clinical Diagnostics & Pathology:
Ideal for routine clinical assays, sample collection, and liquid phase testing. - Bacteriology & Life Sciences:
Used extensively for culture preparation and incubation work in biological labs. - Research & Educational Labs:
Suited for general chemical reactions, heating samples, and science education demonstrations.
Shipping / GST / GeM Information
- GST Invoice:
GST-compliant invoices are provided for commercial, business, and institutional orders to support Input Tax Credit (ITC) claiming. - Bulk & Institutional Orders:
Volume-based pricing and supply options are available for universities, research centers, and bulk distributors. - GeM & Tender Support:
Apex Labs provides complete documentation and support for Government e-Marketplace (GeM) portal procurement. - Pan-India Delivery:
Carefully packed with protective layers to ensure safe transit across India.
Frequently Asked Questions
What are the exact dimensions of this test tube?
This test tube features an outer diameter of 25 mm and a length of 150 mm.
Is this test tube safe for direct heating?
Yes, it is fabricated from low-expansion borosilicate glass designed to withstand direct heating and thermal shock safely.
Does the test tube come with a rim?
Yes, it features a reinforced beaded rim for secure handling and stable stopper fitting.
Are GST invoices issued for institutional purchases?
Yes, fully compliant commercial GST invoices are issued for all orders.
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- Laboratory Dropper with Teat
Related Category
Need Laboratory Glassware in Bulk?
Get pricing and availability from Apex Labs for individual, bulk, and GeM procurement requirements. GST invoicing and institutional support are available.




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