Test Tubes in UTTAR PRADESH

Leading Manufacturers, Suppliers & Exporters From India

Application

Glass test tubes are used for:

Heating, mixing, and holding small quantities of liquids or samples
Chemical reactions and qualitative analysis
Sample collection in dairy, chemical, petroleum, pharmaceutical, and educational laboratories
Water, milk, and chemical testing procedures

Compliance Standard

ISO 4142 – Laboratory glassware, test tubes
ASTM E982 – Standard specification for glass test tubes
DIN standards for Borosilicate Glass 3.3

Product Description

Test tubes are manufactured from high-quality Borosilicate Glass 3.3, offering excellent resistance to heat, chemicals, and thermal shock. They are available with round bottom or flat bottom options and feature uniform wall thickness for safe heating.

The rim is fire-polished for smooth handling. Suitable for direct heating over flame or on a hot plate.

Technical Specifications

Parameter	Specification
Material	Borosilicate Glass 3.3
Bottom Type	Round bottom / Flat bottom
Rim	Fire polished
Thermal Resistance	High
Chemical Resistance	Excellent
Transparency	Clear, high visibility
Autoclavable	Yes
Wall Thickness	Uniform for safe heating

Apparatus is Supplied

Test tubes (as per selected size)

Common Sizes Available:
12×75 mm, 15×100 mm, 18×150 mm, 25×150 mm

Optional Accessories

Test tube stand
Test tube holder (wooden/metal)
Test tube brush
Rubber stopper / cork
Boiling chips

Dimensions & Weight (Approx.)

Size (Dia × Length)	Capacity (Approx.)	Weight
12 × 75 mm	5 ml	8 g
15 × 100 mm	10 ml	15 g
18 × 150 mm	25 ml	28 g
25 × 150 mm	50 ml	45 g

DAIRY LAB EQUIPMENTS

Test Tubes in UTTAR PRADESH

Leading Manufacturers, Suppliers & Exporters From India

We are providing Test Tubes in all states