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Anti alcohol twin point marker pen, for physics and chemistry experiments




The 'Tube Checker'' pen enables you to write on paper, plastic, glass and metal. When dried, the writings are waterproof. Written parts also become solvent proof against organic solvents such as ethanol, xylene and chloroform.

Feature and Advantages

These double ended pens are water and solvent proof. Useful in all department as they can write on glass, paper, plastic and metal. Once dry, the writing is waterproof and will not blur and will not be aaffected by organic solvent suchas Ethanol,Xylene and Chloroform. These pens have a fine point and a normal point for script variety.

How to use

Uncap the pen and start writing. The ink will be dried in 20 seconds or so. To avoid running, do not touch the ink with wet handsor dip in water before it is dried.

ico_caution_s.pngCaution *Be sure to cap the pen after use.
*Prevent direct exposure to the sun and keep it in a dark place.   

Product List

Product Name Cat# Quantity Price



¥ 3,000
$ 40
€ 30

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To be used for research only. DO NOT use for human gene therapy or clinical diagnosis.