Attributes

Brand	-
Category	Stationery, Educational Electronics & Office Supplies / Flat Brushes
Origin	-
Brand	A.shine
Origin	USA
Dyne Level Range	18-105 mN/m
Product Type	Surface Tension Test Ink
Application Method	Brush Pen Applicator
Primary Use	Corona Treatment Verification
Compatible Surfaces	Plastic, Film, Foil, Coatings
Packaging	Sealed Bottle with Brush Cap
Shelf Life	12 Months (Unopened)
Safety Warning	Flammable; Keep away from heat sources

6 reviews

Anonymous

Mar 31, 2026

Rating: 5/5

Fast shipping and genuine product

Arrived well-packaged. The label clearly indicates the dyne levels, and the pen feels durable. It has become a staple in our adhesion testing protocol.

Anonymous

Mar 22, 2026

Rating: 5/5

Great value for industrial use

Bought a set for our printing department. The fluid spreads evenly, making it easy to determine the exact surface energy level. Highly recommended for print shops.

Anonymous

Mar 19, 2026

Rating: 5/5

Essential for our quality control lab

We use these dyne pens daily to verify corona treatment on our packaging films. The range of 18-105 covers all our needs, and the brush application is consistent every time.

Anonymous

Mar 08, 2026

Rating: 3/5

Good product, strong odor

Works exactly as described for testing surface tension. However, the chemical smell is quite strong, so ensure you are using it in a ventilated area.

Anonymous

Mar 07, 2026

Rating: 4/5

Accurate but requires careful storage

The testing results are very reliable compared to our previous supplier. Just make sure to cap it tightly after use, or the solvent evaporates quickly.

Anonymous

Mar 05, 2026

Rating: 5/5

Perfect for R&D trials

Our research team uses this to test new polymer coatings. The wide range allows us to pinpoint the exact treatment level needed for optimal adhesion.

5 FAQ

Q: Is this safe to use on food packaging materials?

A: This is a testing fluid used for quality control verification. It is not intended to remain on the final product. Please follow your local safety regulations regarding residual testing agents on food contact surfaces.

Q: How long does the ink last once the bottle is opened?

A: Once opened, the product should be used within 3 to 6 months if stored properly with the cap tightly sealed to prevent evaporation.

Q: Does this pen come with a certificate of calibration?

A: Yes, each batch of A.shine Dyne Liquid Test Ink comes with a standard quality assurance document indicating the verified dyne levels.

Q: What is the difference between this and dyne solution bottles?

A: This product features an integrated brush pen applicator for precise, mess-free application, whereas solution bottles require separate cotton swabs or brushes for application.

Q: Can I use this on metal surfaces?

A: While primarily designed for plastics and films, it can technically be used on coated metals to test coating adhesion, though it is most effective on non-porous polymer surfaces.

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