DWK Life Sciences Kimble® Mark-M™ Test Tube Round Bottom Plain 12 X 75 mm 5 mL White Without Closure Glass Tube, 1000/CS

Kimble® Mark-M™ Test Tube Round Bottom Plain 12 X 75 mm 5 mL White Without Closure Glass Tube, 1000/CS

This Kimble Mark-M test tube is a round-bottom glass culture tube with a plain design and no closure. It fits labs and other professional settings that need a writable identification area directly on the tube for handling samples or cultures. The tube measures 12 x 75 mm, holds 5 mL, and uses a permanent white ceramic label fused to the glass.

Good Fit For

• Sample labeling where writing directly on the tube is preferred
• Culture tube workflows in laboratory settings
• Buyers standardizing on 12 x 75 mm glass tubes

Key Features

• Round-bottom glass culture tube for routine lab handling
• Permanent ceramic label is fused to the glass for a durable writing surface
• Writable label works with marker or pencil for easier sample identification
• 12 x 75 mm size with 5 mL capacity for small-volume work
• Plain tube style without closure for workflows that use separate caps or open handling
• White label helps writing stand out for quick visual identification

Applications and Usage

• Labeling and organizing small samples in a lab
• Culture tube setups that need a permanent writing area
• Bench work where separate closure choices are used

Packaging and Handling

• Packaging: CS.
• Size: 12 X 75 mm.
• This tube comes without a closure, so buyers may need a separate closure solution if their workflow requires one.
• The round-bottom design may affect how the tube is stored or supported during use.
• The label placement near the open end may matter for facilities that standardize tube marking positions.

FAQ

• Can you write directly on this test tube? Yes. The tube has a permanent white ceramic label fused to the glass, and that label can be written on with marker or pencil.
• Does this tube include a closure? No. This glass tube comes without a closure.
• What size is this test tube? This test tube measures 12 x 75 mm and has a 5 mL capacity.
• Where is the label located on the tube? The vertical label is 1-3/8 inch long and is located 3/4 inch from the open end.

From Kimble Mark-M by DWK Life Sciences.