Flexible Packing Coating Line Solutions | JIANGSU LAIYI PACKING MACHINERY

Precision Coating Technology for Modern Flexible Packaging — JIANGSU LAIYI PACKING MACHINERY

In today's competitive flexible packaging market, the quality of your coating line determines the quality of your final product. JIANGSU LAIYI PACKING MACHINERY Co., Ltd. has been a trusted name in flexible packing coating line manufacturing for decades, delivering high-precision, high-efficiency equipment to clients across more than 60 countries worldwide.

Whether you manufacture food packaging films, pharmaceutical blister films, industrial protective films, or decorative laminate structures, LAIYI's flexible packing coating lines are engineered to meet your exact specifications — with consistent results, minimal waste, and maximum throughput.

What Is a Flexible Packing Coating Line?

A flexible packing coating line is a production system that applies functional or decorative coatings — such as adhesives, primers, barrier layers, or release agents — onto flexible substrate materials including BOPP, PET, PE, CPP, aluminum foil, and paper. The coating process is critical to:

• Barrier performance — protecting contents from moisture, oxygen, and UV
• Adhesion strength — ensuring reliable multi-layer lamination
• Surface quality — achieving consistent gloss, matte, or tactile finishes
• Heat-seal properties — enabling efficient downstream packaging operations

LAIYI's coating lines integrate seamlessly into complete flexible packaging production workflows, from substrate unwinding through coating, drying, curing, and precision rewinding.

LAIYI's Core Flexible Packing Coating Line Products

1. Solvent-Based Coating & Lamination Line

LAIYI's solvent-based flexible packing coating lines are designed for high-speed, multi-layer lamination applications demanding precise coat weight control. Key features include:

• Gravure roll coating with micro-engraved pattern options for coat weights from 1 to 30 g/m²
• Multi-zone hot air drying ovens with independent temperature control (up to 200°C)
• Automatic tension control with EPC (Edge Position Control) across all unwind, coating, and rewind stations
• Speeds up to 200 m/min with ±2% coat weight consistency
• Compatible with polyurethane (PU), acrylic, nitrocellulose, and PVDC coating formulations

Ideal Applications: Food-grade retort pouches, transparent high-barrier films, printed laminate structures, pharmaceutical packaging

2. Solvent-Free Lamination & Coating Line

As regulations tighten globally on VOC emissions, LAIYI's solvent-free flexible packing coating lines offer a clean, sustainable alternative without compromising on bond strength or production speed. Highlights include:

• Two-component 100% solids adhesive metering and mixing system with accurate ratio control
• Nip roller coating technology ensuring uniform adhesive coverage at 1–5 g/m²
• Instantaneous cure technology compatible with fast-cure reactive adhesive systems
• Designed for high-transparency structures critical to food packaging retail presentation
• Low energy consumption — no drying oven required

Ideal Applications: Snack food pouches, coffee capsule films, stand-up pouches, medical device packaging

3. Water-Based Coating Line

LAIYI's water-based flexible packing coating line is built for manufacturers prioritizing environmental compliance and worker safety. Features include:

• Precise slot-die or comma-bar coating heads for aqueous barrier and functional coatings
• IR pre-drying combined with hot air flotation drying system for efficient water evaporation
• Suitable for PVOH, acrylic dispersion, starch-based, and wax emulsion coatings
• Non-explosive, low-VOC process — fully compliant with EU and North American environmental standards
• Speeds up to 150 m/min

Ideal Applications: Recyclable mono-material packaging, paper-based flexible packaging, sustainable barrier films

4. Multi-Function Coating & Printing Combination Line

For manufacturers seeking maximum production flexibility, LAIYI offers integrated multi-function coating and printing combination lines that combine gravure or flexo printing with inline coating — reducing handling steps and improving registration accuracy.

Request a Quote or Consultation

Ready to upgrade your flexible packaging coating capability? JIANGSU LAIYI PACKING MACHINERY's team of application engineers is standing by to help you select the right coating line configuration for your substrates, coating materials, and production volumes.

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