Measuring Static on a Moving Film Web: Distance, Roller Contact and Repeatable Readings
Compare static readings on a moving film web only when distance, target size, face, speed, and position match. A roller reading can hide charge.
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Technical Articles & Guides
Complete archive of process explainers, testing methodologies, and equipment insights covering corona treatment, electrostatic management, and polymer film adhesion.
Removing Static from Plastic Film: Find Where Charge Returns Before You Add an Ionizer
Dust and cling return when film is neutralized only at unwind. Record the open span after each roller, just before the defect, before adding another ionizer.
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Kodak PROSPER Plus 5: Substrate Checks Before an Inkjet Retrofit
Kodak's PROSPER Plus 5 announcement raises substrate questions. Check the receiving surface, pretreatment, drying and downstream coating before a retrofit.
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PCB Preparation Before Coating: KYZEN's Penang Announcement
KYZEN's Penang announcement prompts a PCB cleaning review. Separate supply claims from surface preparation, coating checks and assembly validation.
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PRINTING United 2026: Convergence in Printing and Coating Workflows
Turn PRINTING United 2026's convergence theme into a workflow review: receiving surfaces, ink and coating handoffs, sample evidence and process ownership.
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Switching to BASF's Lower-PCF Paper Coating Binders: What Is Claimed and How to Check Incoming Consistency
BASF's 23 September 2026 rPCF paper coating binders: what the 20% to 45% lower carbon footprint figure means, what is unconfirmed, and how to check a switch in-house.
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Contact Angle Goniometer Guide: Measuring Angle and Surface Energy
How a contact angle goniometer measures drops on film, coatings and print substrates, how angles convert to surface energy, and how to choose the right measurement.
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Dyne Testing: How to Run the Test and Read the Results
How to run a dyne test on treated film, what the result means, which standard applies, why readings drift, and what to do when a film fails or passes.
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Inside the Bio-Based Coating Claims on Kelpi's Paper Liquid Sachet
Kelpi and Bower Collective's 5 ml paper hand-wash sachet: what is known about the seaweed-derived coating, which claims are the companies' own, and the data engineers still need.
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Printing on Plastic Film and Sheet: Methods, Inks and Pretreatment
Can you print on plastic film and sheet? How surface energy, ink system and pretreatment decide the answer, how print methods compare, and how to check adhesion first.
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Senoprint Metallic Coatings: What the Two Official Sources Say About Formulations, Topcoats and Print Processes
Stahl's Senoprint launch read line by line: what its press release and product page each say about UV and water-based formulations, topcoats and print processes.
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SunDance Coffee Valve Pouches: Film Structure and Print Questions the Announcement Leaves Open
What SunDance's 28 September 2026 coffee valve pouch release confirms, what it leaves out on film structure, barrier and print, and the questions to put to any supplier.
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