Attributes

Brand	-
Category	Stationery, Educational Electronics & Office Supplies / Flat Brushes
Origin	-
Brand	A.Shine
Origin	USA
Product Type	Surface Tension Test Pen
Available Dyne Levels	28, 30, 32, 34, 36, 38, 40, 42 mN/m
Application Method	Direct Marker Application
Primary Use	Corona Treatment Verification
Compatible Surfaces	Plastic, Film, Foil, and Coated Materials
Liquid Color	Yellow-Green
Shelf Life	12 Months (Unopened)
Packaging	Individual Sealed Vial with Brush Tip

6 reviews

Anonymous

Mar 29, 2026

Rating: 5/5

Great value for money

Compared to other imported test pens, these offer excellent value without compromising on accuracy. The labeling is clear, and the expiration date is prominently displayed.

Anonymous

Mar 26, 2026

Rating: 5/5

Essential for our printing line

These dyne pens are incredibly consistent. We use them daily to check corona treatment on our packaging films, and the results are always reliable. The 38 and 40 dyne levels are our most frequently used.

Anonymous

Mar 16, 2026

Rating: 5/5

Accurate and durable

We switched from another brand to A.Shine and noticed better consistency in our test results. The brush tip holds up well even after hundreds of tests. Highly recommended for QC departments.

Anonymous

Mar 13, 2026

Rating: 5/5

Perfect for lab testing

Clear color contrast makes it easy to see if the ink beads up or spreads. This has streamlined our quality control process significantly. The range of dyne levels available is very convenient.

Anonymous

Mar 10, 2026

Rating: 4/5

Reliable standard

These pens meet our ISO requirements for surface tension testing. They are easy to use and store. Just make sure to recap them tightly immediately after use to prevent evaporation.

Anonymous

Mar 04, 2026

Rating: 4/5

Good quality, fast drying

The liquid applies smoothly and dries quickly enough to give an immediate read on surface energy. I deducted one star only because the cap can be a bit tight sometimes, but the accuracy is spot on.

5 FAQ

Q: Do you sell a kit containing all the dyne levels mentioned?

A: Yes, we offer a complete set including levels 28 through 42 mN/m. You can select the 'Full Range Kit' option on the product page to purchase them together at a discounted rate.

Q: Are these pens calibrated to international standards?

A: Yes, A.Shine dyne pens are manufactured to align with standard ASTM D2578 testing methods for surface wetting tension of polyethylene and polypropylene.

Q: Can these pens be used on metal surfaces?

A: While primarily designed for plastics and films, they can technically be used on coated metals. However, they are optimized for non-porous polymer surfaces where corona treatment is common.

Q: How do I interpret the results when using these pens?

A: If the applied liquid remains as a continuous film for at least 2 seconds, the surface tension is equal to or greater than the pen's rating. If it beads up immediately, the surface tension is lower.

Q: What is the shelf life once the bottle is opened?

A: Once opened, the solution should be used within 3 to 6 months depending on storage conditions. Always keep the cap tightly sealed and store in a cool, dry place away from direct sunlight.

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