Description
Reviews
| Brand | - |
| Category | Stationery, Educational Electronics & Office Supplies / Flat Brushes |
| Origin | - |
| Brand | Shilong |
| Origin | Germany |
| Product Type | Dyne Test Pen |
| Application | Surface Tension Testing |
| Target Contaminants | Oil and Grease |
| Tip Material | Felt Fiber |
| Ink Volume | 10 ml |
| Shelf Life | 12 Months |
| Storage Temperature | 5°C to 25°C |
| Package Contents | 1 Test Pen, User Manual |
Anonymous
Mar 30, 2026
Rating: 5/5
Standard in our facility
We have standardized on Shilong Dyne pens across all our manufacturing units. They provide consistent readings every time without fail.
Anonymous
Mar 27, 2026
Rating: 4/5
Good quality, fast drying
Works well for detecting oil contamination. The ink dries quickly which is great for production speed, though you need to be precise with application.
Anonymous
Mar 23, 2026
Rating: 5/5
Reliable German engineering
We switched to these from a cheaper alternative and the difference in consistency is night and day. Highly recommended for quality control labs.
Anonymous
Mar 22, 2026
Rating: 3/5
Good but pricey
The performance is excellent and very accurate, but the price point is higher than other brands. You get what you pay for in terms of reliability though.
Anonymous
Mar 14, 2026
Rating: 5/5
Essential for our printing line
These pens are incredibly accurate for checking surface tension on our plastic films before printing. The Shilong brand consistently delivers reliable results.
Anonymous
Mar 04, 2026
Rating: 5/5
Perfect for adhesion testing
Using these to ensure proper adhesion for coating processes. The dyne levels are clearly marked and the pen feels sturdy in hand.
Q: How long does the ink last once the pen is opened?
A: Once opened, the ink typically remains effective for about 6 months if the cap is sealed tightly after each use and stored correctly.
Q: What range of dyne levels does this specific pen cover?
A: This specific model is calibrated for a single dyne level as indicated on the label. We offer sets covering 30 to 72 dynes/cm if you need a full range.
Q: Is there a certificate of analysis included with the pen?
A: Yes, each batch comes with a digital certificate of analysis available via QR code on the packaging or downloadable from our website.
Q: What should I do if the ink spreads immediately?
A: If the ink spreads immediately, it indicates the surface tension of the material is higher than the dyne level of the pen. You should test with a higher dyne level pen.
Q: Can these pens be used on metal surfaces?
A: Yes, they are suitable for testing surface tension on various substrates including treated metals, plastics, and foils.
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