Attributes

Brand	-
Category	Stationery, Educational Electronics & Office Supplies / Flat Brushes
Origin	-
Brand	Cuiyuan (CY)
Product Type	Surface Tension Test Pen
Dyne Range	18 to 105 mN/m
Application Method	Direct Marker Application
Primary Use	Adhesion Testing on Films and Foils
Compatible Materials	Plastic, Metal, Glass, Coated Surfaces
Liquid Color	Blue/Green Indicator Ink
Packaging	Sealed Plastic Bottle with Brush Tip
Shelf Life	12 Months from Manufacture Date
Storage Condition	Store in Cool, Dry Place Away from Sunlight

6 reviews

Anonymous

Mar 18, 2026

Rating: 4/5

Reliable standard tool

Standard equipment in our facility. The range from 18 to 105 covers all our needs. Just ensure you close the lid tightly after every use to prevent evaporation.

Anonymous

Mar 15, 2026

Rating: 5/5

Consistent performance

Been using Cuiyuan pens for over two years. They are durable and the ink doesn't dry out quickly even with frequent use. Excellent for verifying treat levels on various substrates.

Anonymous

Mar 14, 2026

Rating: 5/5

Essential for our quality control lab

We use these pens daily to test the surface energy of our packaging films before printing. The Cuiyuan pens provide consistent results and the ink flow is very reliable. Highly recommended for industrial QC.

Anonymous

Mar 12, 2026

Rating: 4/5

Good value for the price

Works well for checking corona treatment levels on polyethylene. The only reason I didn't give 5 stars is that the cap can be a bit tight sometimes, but the liquid quality itself is excellent.

Anonymous

Mar 02, 2026

Rating: 5/5

Accurate and fast

Switched from a different brand to Cuiyan and noticed no difference in accuracy. The drying time is perfect for quick assessments on the production line. Will order again.

Anonymous

Mar 01, 2026

Rating: 5/5

Perfect for coating adhesion tests

Our team uses this to verify surface preparation before applying adhesives. It gives a clear wetting line which makes reading the dyne level very easy. Great product.

5 FAQ

Q: What is the shelf life of the liquid once opened?

A: While the unopened shelf life is 12 months, we recommend using the liquid within 6 months of opening. Always store the pen horizontally with the cap tightly sealed to maintain accuracy.

Q: Can this pen be used on metal surfaces?

A: Yes, the Cuiyuan Dyne pens are suitable for testing surface tension on metals, plastics, glass, and coated materials to ensure proper adhesion for printing or bonding.

Q: Is the ink toxic or hazardous?

A: The ink contains chemicals typical for dyne testing. Please refer to the Safety Data Sheet (SDS) included with the product. We recommend using gloves and working in a ventilated area.

Q: How do I interpret the results when using this pen?

A: Apply the ink in a straight line. If the ink beads up within 2 seconds, the surface tension is lower than the pen's rating. If it stays wet for more than 2 seconds, the surface tension is equal to or higher than the rating.

Q: Do you offer a full set covering the entire 18-105 range?

A: Yes, we offer individual pens for specific dyne levels as well as complete calibration sets covering the entire 18-105 mN/m range. Please check our bulk ordering options.

Explore your interests

Deli Universal Staples 24/6 Standard Size No. 12 Staple Pins 0012 - Stainless Steel Durable Small Staples for Staplers

$7.90

XuedeLe Calculator, Goddess Style for Office, Cute Student and Accounting Solar Multifunctional Internet-Famous Mini Small Computer, High Aesthetic Pink Female Voice Model with Large Keys for Commercial Use

$8.50

Bulk Pack | GuGu WanWu Concentric Circle Dual Blush Gradient Soft Light Round Stickers for Journaling, Basic Decorative Marking and Background

$4.25

Qingheji About Youth Classmate Record Book for Elementary School 6th Grade Ins Niche Minimalist High-Aesthetic Graduation Memorial Album

$37.50

Tengzhou Dongfang Hailida ZQ3050 Mechanical Radial Drill Press Gears z20/39 Teeth, z29/47 Teeth, z31/58 Teeth

$140.10

[Customizable] Blank DIY Bookmarks - Thickened Hard Cardstock in Multiple Sizes with Tassels for Kindergarten and Elementary Art, Calligraphy, and Reading Gifts

$9.90

Custom Record Book Table Creation Printing Account Book Register Appointment Book Table Book Detail Sheet Printing Customization Various Account Books Powerful Manufacturer

$4.25

Deli Transparent Tape Dispenser - Mini Desktop Cutter with Serrated Edge for Office Supplies

$6.70

Rongbaozhai Shengtan Calligraphy Brush Special Mixed Hair Medium Wolf Hair Medium Kaifu Professional Grade Goat Hair National Painting Extra Large Clerical Script Yan Style Kaishu Xingshu Beginner Calligraphy Set

$29.70

Calligraphy Fountain Pen with Curved Nib for Students and Adults, Hand-Polished High-Aesthetic Hard Brush Pen for Business, Office, and Personalized Signatures

$13.82

Custom Desk Mat Board Compatible with Old Guangming Yuandi Study Desks - Winner/Wisdom/Benevolence Solid Wood A Series Custom Mats

$18.00

Marie's Sketch Tool Set for Beginners, Basic Sketching Pencils (2B, 4B, 6B), Complete Art Student Drawing Kit with Easel and Professional Sketch Pens

$20.00

Zuohui Paper Palette: Tear-Off Mixing Paper, No-Wash Mixing Book, Disposable Palette for Watercolor, Acrylic, and Oil Painting, Peel-Off Mixing Board

$5.60

Red Fat Professional Watercolor Brush Set: Round Tip Liner Brushes, Nylon Brushes for Art Students; Black Swan Series Single Pack Available

$2.45

Comic Introduction Hand-Drawn Tracing Book Anime Character Line Art Drawing Children's Sketching Beautiful Girls Ancient Style Character Painting Basic Self-Study Tutorial Sketching Cartoon Album

$7.65

HITOTO Oil Pastel Set Super Soft Heavy Color 36 Colors 48 Colors Macaron Series Middle School Kindergarten Art Drawing Dedicated White Oil Chalk Soft Crayon Painting Paper Scraper Tool Complete Set

$18.58

Kraft Paper Notebook B5 Thickened for Junior High, Exam Prep, High School Homework, College, Large A4 Journal, 2026 New 16K/A5 Work Log, Lined Single-Line Exercise Book

$2.35

Art Portfolio Bag, Black Thickened Canvas Large Capacity Backpack for Art Exams and Sketching, Dedicated for Art Students, Portable Multi-Function Double-Shoulder Drawing Board Bag, 4K Art Bag

$23.49

The Tale of Outcasts: Hero Exploration Acrylic Standee, Haruka Katsuragi Acrylic Figure

$14.20

Home Picture Book Stand, Solid Wood Bookshelf, Storage Rack for Books and Toys, Floor-Standing Display Shelf

$1.00

Free Shipping 50 Pieces 4.2 Yuan 420 Fen Postal Postage Envelopes No Address No Zip Code Discounted Envelopes for Registered Mail Real Photos

$135.93

Pure Cotton Red Scarf for Elementary Students, Fade-resistant Universal Wrinkle-resistant Small Size for Grades 1-2, Thickened Large Size for Junior High, High-quality Full Cotton Young Pioneer Scarf for Children and Schools

$14.10

Shanjiu Thickened Plastic Snap Button File Bag Transparent A4 with Label Archive Stationery Bag Student Storage Custom Logo

$5.67

Chinese Painting Pigments 12 Colors Beginner Brush Elementary Student Children Introductory Materials Non-Toxic Gongbi Painting 24 Colors Ink Wash Painting Tool Set Chinese Art Supplies Toolbox Complete Landscape Painting Partition Box

$6.80

Postmark Card Album 120 Sheets High Capacity Postmark Card Train Ticket Star Card Album Card Sleeve Business Card Album Business Card Book

$4.99

33cm Kraft Cardboard with Colored Borders, Square with Circular Inner Cutout, Thickened Antique-Style Hard Cardboard for Children's Art and Drawing

$10.60

B5 Fun Dot Grid Pen Control Practice Copybook - Complete Preschool Workbook Set for Ages 3-6, Daily Training Sheets

$7.48

HD LCD Landscape Drawing Board for Children; Electronic Handwriting Doodle Pad, Small Blackboard for Early Education and Intelligence Development

$3.28

Dragon Ball Card Binder Nine-Grid Storage Album Large Capacity Pikachu Bag Cards Super Saiyan Card Sleeves

$34.70

Free Shipping CBB61 Start Capacitor 6UF 450V Single-Phase Motor Electric Fan Exhaust Fan Blower Range Hood Capacitor

$21.30

Zhongbai Paint Marker SP-110 Oil-Based Touch-Up Pen DIY Album Graffiti Pen White Marker Pen Touch-Up Pen

$2.33

Linen Oil Painting Board Ultra-Thin Beginner Painting Hand-Painted Oil Paint Acrylic Pure Cotton Canvas Art Material Lightweight Portable

$10.28

touchmark Antique-Style Raw Edge Paper for Calligraphy - Unlined Xuan Paper for Brush Writing Practice, Handmade Bamboo Pulp Yuanshu Paper, Thickened Semi-Sized Calligraphy Work Paper

$11.80

Duosuoduoxi Multifunctional 4K Art Portfolio Bag - Thickened Wear-Resistant Large Capacity Backpack for Art Exams, Sketching, Plein Air, and Art Storage

$66.50

Pride Leads to Loss, Humility Brings Benefit - Handwritten Calligraphy Wall Art Desktop Ornament Decorative Study Student Inspirational Learning Calligraphy

$8.40

Mao Taizi Reading Stand Kids Desktop Book Holder Multifunctional Student Reading Bracket Learning Artifact Book Clip Fixed Book Clamp Portable Desktop Book Stand

$9.90

Xiaohongshu Same Style Pink Bud Mint A7 Loose-Leaf Planner, Korean Ins Style High-Aesthetic Portable Diary Notebook

$5.02

Zhang Xiaofeng 'Peach Blossoms' Rose Quartz Brush Rest, Brush Holder, Brush Mountain, Brush Stand, High-Aesthetic Creative Calligraphy Accessory for Women, Jade Cultural Study Ornament, Small Gift

$35.70