Description
Reviews
| Brand | - |
| Category | Stationery, Educational Electronics & Office Supplies / Flat Brushes |
| Origin | - |
| Brand | Dyne Pen USA |
| Model Number | Schumann 18-105 |
| Product Type | Corona Tension Test Pen |
| Application | Oil Stain Cleanliness Testing |
| Surface Compatibility | Plastics, Metals, and Coatings |
| Tip Material | High-Density Polyethylene |
| Ink Volume | 15 ml |
| Shelf Life | 12 Months from Manufacture |
| Storage Temperature | 15°C to 25°C |
| Country of Origin | USA |
Anonymous
Mar 30, 2026
Rating: 4/5
Good value for industrial use
Works well for our daily cleanliness checks. The only reason I didn't give 5 stars is that the cap can be a bit tight after prolonged use.
Anonymous
Mar 29, 2026
Rating: 5/5
Reliable Schumann Standard
We switched to this model from a competitor and noticed immediate improvement in test consistency. Highly recommended for printing prep.
Anonymous
Mar 27, 2026
Rating: 5/5
Essential for Quality Control
This Dyne pen is incredibly accurate for checking surface tension on our packaging lines. The A.Shine formula gives consistent results every time.
Anonymous
Mar 07, 2026
Rating: 5/5
Perfect for oil stain detection
Exactly what we needed for detecting residual oils before coating. The ink flows smoothly and dries quickly for fast reading.
Anonymous
Mar 07, 2026
Rating: 4/5
Solid performance
Does the job well in our manufacturing plant. Delivery was fast and the packaging protected the pen nicely during transit.
Anonymous
Mar 01, 2026
Rating: 5/5
Best in class
Our lab has tested several brands, and the Dyne Pen USA A.Shine series remains our top choice for reliability and ease of use.
Q: What is the specific dyne level range for the Schumann 18-105 model?
A: The Schumann 18-105 is calibrated for a specific tension range suitable for general oil stain cleanliness testing, typically covering standard industrial requirements. Please refer to the included certificate for exact values.
Q: How should I store the pen when not in use?
A: Store the pen horizontally in a cool, dry place away from direct sunlight with the cap tightly sealed to prevent ink evaporation.
Q: What is the average lifespan of one pen under daily use?
A: Under normal daily industrial usage, one pen typically lasts between 4 to 6 weeks depending on the frequency of tests performed per shift.
Q: Is the ink toxic or hazardous?
A: The ink is formulated for industrial safety standards but should not be ingested. Please review the Safety Data Sheet (SDS) provided with the product for detailed handling instructions.
Q: Can this pen be used on curved surfaces?
A: Yes, the flexible tip design allows for accurate application on slightly curved surfaces, though flat surfaces yield the most consistent results.
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