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Five Layer Agricultural Film Blowing Machine

The HOWIE Five Layer Agricultural Film Blowing Machine is a co-extrusion production line engineered for greenhouse films, mulch films, silage wrap, and functional polyolefin films.

Feature

Product Overview

The HOWIE Five Layer Agricultural Film Blowing Machine is a co-extrusion production line engineered for greenhouse films, mulch films, silage wrap, and functional polyolefin films.By utilizing 5-layer co-extrusion technology, the system allows manufacturers to distribute different polymer resins and functional additives into dedicated layers, maximizing film performance while minimizing material costs.
5-Layer vs. Traditional Extrusion

Higher Mechanical Strength

Superior tensile and tear resistance.

Advanced Weatherability

Enhanced UV stabilization and anti-aging properties.

Optimized Cost Efficiency

Strategic placement of expensive additives and low-cost polymers.

Customized Performance

Tailored optical, thermal, and barrier properties.

Technical Specifications

Item	Specification Parameter
Machine Type	Five Layer Agricultural Film Blowing Machine
Film Structure	5-Layer Co-Extrusion (A/B/C/B/A or customized)
Processing Materials	LDPE, LLDPE, HDPE, EVA, mPE, Masterbatches
Target Applications	Greenhouse, Mulch, Silage, and Specialty Agri-Films
Film Width	Customized to order (e.g., 1000mm – 8000mm+)
Film Thickness	Customized (e.g., 20micron – 200micron+)
Extruder Quantity	5 Independent Extruders
Control Architecture	PLC Centralized Automatic Control with Touchscreen HMI
Certifications	CE / ISO 9001 Compliant

Technical Advantage

Outer Layers (A - Weather Shield)

Formulated with UV inhibitors and anti-dust agents for surface protection.

Middle Layer (C - Core Backbone)

Provides mechanical rigidity, structural strength, and core barrier performance.

Inner Layers (B - Functional Interface)

Optimized for heat sealing, elasticity, and carrying anti-drip/anti-fog masterbatches.

Precision Engineering & Stable Quality

Extrusion Control

Stable pressure management prevents melt surging and ensures continuous flow.

Thermal Management

Multi-zone microprocessor heating maintains accurate processing temperatures.

Die Head Design

Precision-machined alloy steel ensures uniform layer thickness ratios without melt stagnation.

Cooling System

Advanced air ring configuration secures bubble geometry and high output speeds.

Versatile Applications

Application	Target Products	Key Performance Features
Greenhouse Films	Multi-season covers, nursery films	UV-blocking, Anti-drip (AD), Anti-fog (AF)
Mulch Films	Black, white, bi-color, transparent mulch	Weed suppression, moisture retention, soil temperature regulation
Silage Films	Bale wrap, stretch silage films	High puncture resistance, airtight sealing, elasticity
Functional Films	Solar-control & light-diffusion films	Precise PAR management

Raw Material Compatibility

Processes a wide suite of polyolefin materials efficiently:

LDPE / LLDPE

General-purpose and high-strength flexible films.

HDPE

Rigid, durable agricultural barriers.

High transparency and thermal retention.

Metallocene PE (mPE)

Premium mechanical toughness.

Masterbatches

UV inhibitors, slip agents, anti-fog/anti-drop additives.

Energy-Efficient Design

High-Efficiency Screws

Designed for lower specific energy consumption (SEC).

Inverter-Driven Motors

Variable frequency drives optimize power draw during load shifts.

Insulation Jackets

High-efficiency thermal insulation minimizes radiant heat loss.

Quality Control & Testing

Component Inspection: Dimensional and material verification of all mechanical and electrical units.
Precision Assembly: Laser alignment checks and clean wiring standards.
Trial Run Before Shipment: Full-load extrusion test in-house to verify thermal stability, output capacity, and bubble geometry prior to crating.

Why Partner with HOWIE?

15+ Years Heritage: Specialized plastic extrusion engineering experience.
Global Support: Proven track record of international export and successful factoryinstallations.
End-to-End Service: Factory floor layout design, formula consultation, on-site/remote installation, and lifetime technical support.

FAQ

Q: What is the primary benefit of a 5-layer machine over a 3-layer line?

A: A 5-layer configuration isolates expensive functional additives into outer/inner layers where needed most, while utilizing lower-cost polymers in the core layer, maximizing performance and cutting raw material costs.

Q: Can this machine handle biodegradable or recycled PE materials?

A: Yes. Extruder screws and barrels can be customized to process eco-friendly bio-resins or recycled polyethylene blends without sacrificing bubble stability.

Q: What kind of after-sales support is provided?

A: HOWIE supplies complete lifecycle management, including foundation layout drawings, English operational manuals, video or on-site engineering installation, operator training, and global spare parts dispatch.

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