top of page
Fixed Slot Triple Layer

Are you NEW to Precision Slot Die Coating Technology?

What is Slot Die Coating Technology and How do Slot Dies Work?

Introduction

Slot die technology is at the forefront of precision coating solutions, enabling manufacturers across industries to achieve unparalleled accuracy, efficiency, and material savings. Whether you're new to this innovative technology or looking to optimize your current processes, understanding the basics of slot dies is the first step toward unlocking their potential.

 

At Precision Die Systems, we specialize in designing and manufacturing custom slot die solutions for industries ranging from renewable energy and lithium-ion batteries to medical and pharmaceutical applications.

What is Slot Die Technology?

Slot die technology is a precision coating method used to apply a uniform layer of material onto a substrate. This method is highly versatile, accommodating a variety of materials, viscosities, and substrates, including plastics, paper, and metal foils.

Unlike traditional coating methods, slot dies deliver:

  • Superior Uniformity: Achieve coating thicknesses as thin as a micron to millimeters with minimal variation.

  • Reduced Waste: Minimize material usage with precise deposition, lowering costs.

  • Repeatability: Consistent process for precision coating results.

  • Scalability: Adaptable for lab-scale testing and full production runs.

How Slot Dies Work

Slot die coaters and die heads use a controlled flow of liquid material dispensed through a precision-engineered die lip. The substrate moves beneath the die at a consistent speed, ensuring even application. Critical factors include:

Why Choose Precision Die Systems?

With years of experience in precision coating, our team provides:

  • Custom Solutions: Every slot die is engineered to your exact application.

  • Proven Expertise: Trusted by top manufacturers across industries.

  • Ongoing Support: From design to installation and beyond.

  • Performance Standards:

    • Flatness/Straightness Deviation: Guaranteed 0.0001" or 2.54 microns, over full length and width. "Better upon request" sub-micron finish also available as application requires. 

    • Lip Face and Flat Flow surface Deviation" Precision micro-ground and diamond lapped: 1-3Ra

    • Flatness Inspection Reporting

  • Proof of Process: Wet lab and Lease Die Equipment

Why Choose Our Slot Die Systems?

With years of experience in precision coating, our team provides:

  • Unparalleled Precision: Advanced engineering ensures maximum accuracy and repeatability for uniform coatings. 

  • Durable and Versatile Construction: High-quality materials and optional customizations meet the demands of various industries.

  • Comprehensive Support: Included manuals, tool kits, and shipping containers simplify integration and maintenance.

​

Interested in learning how these features can improve your coating process? Contact us today to speak with an expert and request a personalized quote. Let us help you optimize your slot die system!

Applications of Slot Die Technology

Slot die technology is used across diverse industries for applications such as:

  • Lithium-Ion Batteries: Electrode and separator coatings.

    • Electrode Coating: Ensures uniform deposition of active materials for improved battery efficiency.

    • Separator Films: Achieves consistent insulation to enhance safety and performance.

  • Renewable Energy: Thin-film photovoltaic applications.

    • Photovoltaics: Uniform thin-film coatings increase light absorption and energy efficiency.

    • Fuel Cells: Precise application of catalysts for optimal chemical reactions.

  • Pharmaceuticals: Coating for transdermal patches and medical devices.

    • Transdermal Patches: Delivers consistent drug dosages through precise coating.

    • Diagnostic Strips: Uniform reagent coatings ensure accurate test results.

  • Electronics: Display and circuit manufacturing.

    • Flexible Displays: Ensures defect-free coatings for next-generation screens.

    • Printed Circuit Boards: Applies even coatings of solder mask or conductive inks.

  • Packaging: Adhesive, Barrier, Laminate, and Decorative coatings.

    • Food and Beverage Coatings: ​Precise application in multilayer constructions for adhesion and laminates to prevent moisture, condensation, oxygen, grease, and oil, enable tamper-proof sealing, and apply eco-friendly coatings. 

    • Decorative Coatings: Enhance visual appeal and durability with gloss or matte finishes or holographic coatings. 

​

You can find slot die coating technology in many other industries such as automotive, aerospace, marine, construction, architectural, electronics, touch screens, tapes and labels, solar, textiles, food, medical device, and much more! 

Ready to Take the Next Step?

If you're exploring slot die technology or looking for a reliable partner, Precision Die Systems is here to help. Our experts are ready to discuss your unique needs and recommend a solution tailored to your application.

​

Fill out our contact form today to learn more about how slot die technology can enhance your production process.

Learn More about 

Precision Slot Die Types

Slide Slot Die Curtain Slot Die

Slide Curtain Dies

Multilayer Slide Die

Cascade Dies

Triple Layer Fixed Lip Slot  Die

Triple Layer Fixed Slot Die

Extrusion Die Feed Adapter Block

Ancillary Equipment for Coating Dies

Contact Us to Learn More

Whether you’re exploring slot die technology for the first time or seeking a partner to optimize your production, Precision Die Systems is ready to help.

 

Fill out our contact form to speak with one of our experts and find the perfect solution for your needs.

Thanks for submitting!

PDS Laser Etch Logo
bottom of page