Non Plastic Coating Machines

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Eco-Friendly Coating Machines for Plastic-Free Paper Packaging - RUIDA Machinery

Our Non Plastic Coating Machines provide an eco-friendly alternative to traditional PE or PLA coatings. Designed for paper cup, bowl, and food container manufacturers, these machines apply a water-based or biodegradable barrier layer—enabling full recyclability and compostability while maintaining liquid resistance and heat stability.

Ideal for brands aiming to meet plastic bans and global sustainability regulations, our systems support high-speed coating with consistent quality. From precise coating thickness control to energy-efficient drying, every detail is optimized to help you produce certified, food-safe, and plastic-free packaging at scale.

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Explore Our Range of Non Plastic Coating Machines

We offer a variety of non plastic coating machine models tailored to different production capacities and application needs. Whether you're coating paper for cups, bowls, or takeaway containers, each model ensures uniform coverage, strong barrier performance, and compatibility with water-based, biodegradable, or compostable coatings. Choose the right machine based on your speed, width, and drying requirements to scale your eco-friendly packaging production efficiently.

Why Global Manufacturers Trust Our Non Plastic Coating Machines

Our non plastic coating machines are engineered for high-efficiency, eco-conscious paper conversion—enabling manufacturers to switch from traditional PE coatings to sustainable alternatives like water-based, PLA, or dispersion coatings. Built with precision rollers, stable drying systems, and advanced tension control, each model delivers consistent, food-safe barrier performance.

Whether you're processing paper for cups, trays, or food containers, we provide flexible solutions customized to your substrate type, coating formula, and production speed requirements. CE-certified and aligned with international safety standards, our machines help brands meet regulatory goals and sustainability benchmarks worldwide.

Key Features of Our Non Plastic Coating Machines:

  • Eco-Compatible Coating Options: Supports water-based, PLA, and other biodegradable barrier coatings.
  • Consistent Coating Thickness: Precision metering and roller systems ensure uniform application.
  • Efficient Drying System: High-performance hot air or IR drying units for fast, even curing.
  • Modular Design: Flexible configurations to match specific product sizes and coating demands.
  • Energy Optimization: Integrated energy-saving systems reduce operational costs.
  • Touchscreen Smart Controls: PLC-based interface with real-time data and process monitoring.
  • Durable Frame & Low Maintenance: Built with high-grade materials for long-term, reliable use.
  • Global Standards Compliance: CE-certified and engineered to meet international safety and electrical norms.
  • Worldwide Technical Support: Remote diagnostics, operator training, and lifetime service solutions.

Original Spare Parts with Fast Delivery & Guaranteed Compatibility

To keep your machines running smoothly and minimize unexpected downtime, RUIDA Machinery offers a complete range of original spare parts—all manufactured in-house for perfect compatibility and long-term durability. Whether you need high-wear components or critical backup parts, we ensure fast global shipping, precise fitment, and ongoing availability for every model we produce. Our parts are designed for quick replacement and come with technical support whenever needed.

  • Bottom Knurling Wheel:

    Ensures tight sealing between the cup body and bottom by forming precise ridges.

  • Side Sealing Heater:

    Provides controlled heat for bonding cup side walls securely and consistently.

  • Ultrasonic Transducer:

    Used in ultrasonic welding systems for clean and strong side seam sealing.

  • Punching Die (Bottom Paper):

    Accurately cuts bottom paper discs for various cup sizes with high precision.

  • Cup Collector Fingers:

    Gently grip and guide finished cups during stacking and discharge.

  • Gear Set (Main Drive):

    High-precision gear system responsible for synchronized machine motion and durability.

  • Paper Feeding Rollers:

    Feeds paper roll smoothly and consistently into forming stations without deviation.

  • Sensor for Cup Detection:

    Infrared or optical sensor that monitors cup flow and detects machine faults in real time.

  • Cup Bottom Pre-Heating Plate:

    Heats the bottom paper disc before sealing to ensure strong adhesion and tight fit.

  • Motor with Gearbox:

    Heavy-duty motor and gearbox combo that powers key sections with stable output and torque.

  • Customized Mold Set (Core & Cavity):

    Controls the final size and volume (oz) of your paper cups. We provide precision-engineered mold sets tailored to your specific cup dimensions—whether it's 4oz espresso cups or 22oz cold drink cups.

How to Optimize Non Plastic Coating Machine Performance

Delivering high-quality, eco-friendly coated paper requires more than just advanced machinery—it takes attention to process precision and coating consistency. Below are the critical factors for enhancing production stability, reducing waste, and achieving excellent barrier results with water-based or biodegradable coatings.

Select Compatible Paper Substrates

Starting with the right base paper ensures better coating adhesion and barrier performance:

  • Choose food-grade virgin or recycled paper with consistent GSM.
  • Ensure surface smoothness for even coating spread.
  • Avoid papers with high moisture or resin content.

Optimize Coating Formula and Viscosity

Proper fluid dynamics are key for stable coating layers:

  • Regularly test viscosity to match machine specs.
  • Use stabilized water-based or PLA dispersions.
  • Avoid formula separation during long runs.

Maintain Clean Coating and Drying Units

Clean systems prevent defects like streaks, bubbles, and uneven layers:

  • Clean rollers and doctor blades daily.
  • Flush pipelines and tanks between batches.
  • Remove residue from dryers and filters.

Control Temperature and Airflow Precisely

Stable drying is crucial for curing non-plastic coatings:

  • Set accurate drying temperatures based on coating type.
  • Balance airflow to prevent curling or cracking.
  • Monitor exhaust to ensure proper ventilation.

Train Operators in Sustainable Coating Techniques

Knowledgeable operators help minimize material waste and improve output:

  • Provide training on eco-coating behavior and machine settings.
  • Teach troubleshooting for defects like pinholes or poor adhesion.
  • Emphasize hygiene and environmental handling protocols.

Implement Regular Quality Audits

Proactive quality control ensures end-product reliability and regulatory compliance:

  • Test coating thickness and barrier properties each shift.
  • Record performance data for traceability.
  • Continuously review and improve based on customer feedback.

Get in Touch with Our Team to Discuss Your Machine Needs

We respect your privacy. Your contact information will only be used to respond to your inquiry.

Knowledge Blog

This guide will answer all your questions about paper cup machines and paper product machinery. Whether you want to know about paper cup die cutting, printing, molding, how much it costs, etc., RUIDA will also provide you with our company's exhibition news.

RUIDA Logo

Zhejiang Ruida Machinery Co., Ltd. is the manufacturer that specializes in manufacturing series of machinery equipment of paper cup/bowl/bucket machines printing machines,die cutting machine,coating machines and related paper container machines.

+8615068506868

[email protected]

Ruian City, Zhejiang Province, China

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