Description
Reviews
| Brand | - |
| Category | Stationery, Educational Electronics & Office Supplies / Flat Brushes |
| Origin | - |
| Brand | General Agent USA |
| Model Series | A.shine Dyne Pen |
| Surface Tension Range | 30 to 38 mN/m |
| Available Sizes | 30, 32, 34, 36, 38 |
| Application Method | Direct Marker Application |
| Primary Use Case | Corona Treatment Verification |
| Compatible Materials | Plastics, Films, Foils |
| Drying Time | Instant Visual Readout |
| Packaging Type | Individual Sealed Pen |
| Country of Origin | USA |
Anonymous
Mar 27, 2026
Rating: 4/5
Good quality, fast shipping
Ordered a full set from 30 to 38. They work exactly as expected for our QA process. Only giving 4 stars because the cap on one pen was slightly loose upon arrival, but it didn't affect performance.
Anonymous
Mar 26, 2026
Rating: 4/5
Solid product
Does the job well. We use them daily to ensure our substrates are ready for adhesion. The shelf life seems decent too, provided you cap them tightly.
Anonymous
Mar 25, 2026
Rating: 5/5
Reliable testing tool
We have switched from liquid bottles to these pens for ease of use in the factory. The A.shine series provides clear wetting results immediately. Highly recommended for corona treatment checks.
Anonymous
Mar 24, 2026
Rating: 5/5
Best value for money
Compared to other brands, these offer better consistency in the ink formulation. The 32 and 38 values were spot on when cross-checked with our electronic tensiometer.
Anonymous
Mar 12, 2026
Rating: 5/5
Perfect for lab work
Precise and clean to use. No mess compared to traditional cotton swab methods. The distinction between wetting and beading is very sharp with these markers.
Anonymous
Mar 03, 2026
Rating: 5/5
Essential for our printing line
These dyne pens are incredibly accurate for checking surface tension on our polyethylene films. The 34 and 36 sizes are what we use most often, and the ink flow is consistent every time.
Q: Is the ink toxic or hazardous?
A: The ink contains solvents typical for dyne tests. Please refer to the SDS sheet included with the shipment for specific safety handling and disposal guidelines.
Q: Can these pens be used on metal surfaces?
A: While primarily designed for plastics and films, they can be used on coated metals to test organic coating readiness, but results may vary on bare metal.
Q: What is the shelf life of these dyne pens once opened?
A: Once opened, the pens typically remain effective for about 6 months if stored upright with the cap tightly sealed at room temperature.
Q: How should I store these pens to maintain accuracy?
A: Store them horizontally or with the tip down in a cool, dry place away from direct sunlight to prevent the solvent from evaporating.
Q: Do you sell a kit containing all sizes from 30 to 38?
A: Yes, we offer a complete bundle pack that includes one pen of each size: 30, 32, 34, 36, and 38 mN/m.
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