Description
Reviews
| Brand | - |
| Category | Stationery, Educational Electronics & Office Supplies / Flat Brushes |
| Origin | - |
| Brand | SHEELON |
| Series | Blue Series |
| Country of Origin | Germany |
| Primary Application | Surface Tension Measurement |
| Test Range | 30 to 56 mN/m |
| Ink Color | Blue |
| Tip Type | Felt Marker |
| Shelf Life | 12 Months (Unopened) |
| Storage Temperature | 5°C to 25°C |
| Package Contents | 1 Test Pen, User Manual, Calibration Certificate |
Anonymous
Mar 28, 2026
Rating: 4/5
Good accuracy, fast shipping
Arrived quickly and seems very accurate compared to our old tester. The only reason for 4 stars is the price, but you get what you pay for with German engineering.
Anonymous
Mar 26, 2026
Rating: 5/5
Perfect for adhesion testing
We needed a reliable way to check surface energy before painting. This pen makes it incredibly easy to determine if the surface is ready. No more guesswork.
Anonymous
Mar 25, 2026
Rating: 5/5
Great for lab use
Our laboratory requires precise measurements for research projects. The SHEELON Dyne Pen provides consistent results every time. Very satisfied with the purchase.
Anonymous
Mar 20, 2026
Rating: 5/5
Essential for our printing line
We use these pens daily to verify corona treatment on our plastic films. The Blue Series is consistent and the ink flow is perfect. Highly recommended for quality control.
Anonymous
Mar 19, 2026
Rating: 5/5
Reliable and durable
I have been using SHEELON pens for years. This new Blue Series holds up well even in our busy warehouse environment. The results are instant and clear.
Anonymous
Mar 03, 2026
Rating: 4/5
Standard industry tool
Does exactly what it is supposed to do. The felt tip is sturdy and doesn't fray easily. Would buy again when this one runs out.
Q: How should I store the pen to maximize its shelf life?
A: Please store the pen horizontally in a cool, dry place between 5°C and 25°C. Ensure the cap is tightly sealed immediately after each use to prevent evaporation.
Q: How do I know when the pen needs replacing?
A: If the ink begins to bead up on a known standard surface or if the color intensity fades significantly despite proper storage, it is time to replace the pen.
Q: What is the specific dyne range covered by the Blue Series?
A: The Blue Series typically covers a range from 30 to 56 mN/m, making it ideal for most polyolefin and treated film applications.
Q: Does the product come with a calibration certificate?
A: Yes, every authentic SHEELON Dyne Test Pen includes a batch-specific calibration certificate to ensure measurement accuracy.
Q: Is this pen suitable for testing metal surfaces?
A: While primarily designed for plastics and films, it can be used on clean metal surfaces to check for contamination or oil residues that affect adhesion.
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