Product Categories

Equipment

Labware & Consumables

Chemicals & reference standards

Kimble-DWK 20x125mm glass test tube with black screw cap

SKU: 45066A-20125

Brand

Quantity

Need consultation?

Kimble-DWK 20x125mm glass test tubes with black screw caps are manufactured from borosilicate glass 3.3. Equipped with phenolic screw caps, not attached to the tubes. The 45066 series is designed to ASTM E982 specifications, Type VI, Class A (rubber liner). The 45066A series is designed to ASTM E982 specifications, Type VI, Class B (PTFE liner). The 20 x 125 mm size of these tubes is suitable for the determination of insulin according to the method of Alving, Rubin and Millor, published in the Journal of Biological Chemistry, Vol. 127, No. 3 (March 1939). Autoclavable. Origin: USA

Introduction to Kimble-DWK 20x125mm glass test tubes with black screw cap

Kimble-DWK 20x125mm glass test tubes with black screw caps (part number 45066A-20125) are dedicated sample containers from Kimble-DWK (USA), used for biochemical reactions and solution storage in the laboratory. Manufactured from high-durability 3.3 borosilicate glass, the product comes with an unattached PTFE-lined phenolic cap for optimal sample protection. Imported directly from the USA, this labware ensures accuracy for rigorous analytical procedures.

Outstanding features

Fabricated from heat-resistant borosilicate glass 3.3, suitable for autoclaving.
Designed to meet ASTM E982, Type VI, Class B standards with a chemically resistant PTFE cap liner that minimizes leakage.
Supplied with an unattached black phenolic screw cap, convenient for opening, closing, and cleaning.
Standard dimensions of 20 x 125 mm with genuine origin from the USA.

Applications

Determination of insulin content according to the method of Alving, Rubin, and Millor (published in the Journal of Biological Chemistry, Vol. 127, No. 3, March 1939).
Performing biochemical, chemical, and quantitative analytical reactions requiring heating or sterilization.
Storing liquid samples, chemicals, and culture media in testing, medical, and pharmaceutical research laboratories.

Frequently Asked Questions

Can the Kimble-DWK test tube code 45066A-20125 be autoclaved?
Yes, the product is made from borosilicate glass 3.3 and can be safely autoclaved.

What liner does the screw cap of product code 45066A use?
The 45066A series is designed according to ASTM E982 Type VI Class B, equipped with a PTFE liner to enhance tightness and chemical resistance.