Custom Soundproof Laminated Glass Extrusion Line Company & Products

Precision Engineering for PVB, SGP, and EVA High-Performance Acoustic Interlayers—Optimized for Global Smart Glass, Architectural Glazing, and Automotive windshield Manufacturers.

Primary Extrusion Solutions

Explore our flagship high-accuracy co-extrusion systems designed for demanding industrial applications worldwide.

Custom EVOH Multi-Layer Film Extrusion Line

Custom EVOH Multi-Layers Film Extrusion Line Factories, Company

High-barrier EVOH co-extrusion technology designed for extended food packaging shelf-life and advanced chemical resistance.

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Famous TPU Cast Film Extrusion Line

Famous TPU Cast Film Extrusion Line Exporter, Company

Industrial thermoplastic polyurethane (TPU) casting line featuring high elasticity control, extreme wear-resistance, and automated winding.

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Best PET Three Layers Sheet Extrusion Line

Best PET Three Layers Sheet Extrusion Line Factory, Exporters

A-PET/R-PET co-extrusion technology with three-layer structure control, optimizing material utilization and optical transparency.

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PEEK PFA PVDF Board Extrusion Line

High-Quality PEEK PFA PVDF Board Extrusion Line Company, Companies

Designed for high-performance fluoropolymers and engineering plastics, offering precise temperature profile control up to 450°C.

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EVA POE EPE Film Extrusion Line

Famous EVA POE EPE Film Extrusion Line Manufacturer, Exporters

State-of-the-art encapsulant film co-extrusion system engineered for solar modules, boasting low shrinkage and high PID resistance.

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Transparent PVC Sheet Extrusion Line

High-Quality Transparent Hard Plastic Pvc Sheet Extrusion Line Exporter, Products

Offers superior compounding stability, uniform thickness control, and brilliant clarity for packaging and industrial safety shields.

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China PC Transparent Sheet Production Line

China PC Transparent Sheet Production Line Company, Products

Optical-grade polycarbonate extrusion system featuring micro-embossing calendar rollers and dust-free processing control.

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ETFE PFA PEEK PVDF Film Extrusion Line

High-Quality ETFE PFA PEEK PVDF Film Extrusion Line Factories, Company

Specialized machinery engineered for thin fluoropolymer film production, ideal for architectural membranes and solar cell protection.

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Acoustic Laminated Glass Interlayer Tech Whitepaper

In-depth structural breakdown of polymer extrusion and the physics of sound transmission loss in double glazing.

Understanding the Physics of Sound Damping

Traditional monolithic glass displays a major acoustic weakness: the **coincidence frequency dip**. Around 1000 Hz to 4000 Hz, glass resonant frequencies align with air-transmitted soundwaves, causing a drastic drop in noise insulation performance. Custom soundproof laminated glass circumvents this structural vulnerability by integrating an engineered polymer core—primarily **PVB (Polyvinyl Butyral)**, **SGP (SentryGlas Plus)**, or specialized **EVA (Ethylene-Vinyl Acetate)**.

By using multi-layer co-extrusion technology, we sandwich a soft, highly elastic acoustic core layer between two standard polymer skins. This creates a multi-density barrier that absorbs and shear-deforms acoustic waves, translating vibrational energy into negligible thermal energy. Consequently, the acoustic damping coefficient (Loss Factor η) increases dramatically, providing a peaceful indoor environment.

"Optimized acoustic damping is no longer a luxury—it is a critical compliance threshold for LEED-certified sustainable building designs and Tier-1 automotive noise, vibration, and harshness (NVH) specifications."

— GWELL Machinery R&D Director

Technical Configurations of PVB/SGP Extrusion Systems

GWELL's custom soundproof laminated glass extrusion line integrates a specialized multi-layer co-extrusion feedblock, precision gravimetric raw material feeding systems, and specialized twin-screw extruders. The thermo-plastic polymers are processed under precise heat maps to prevent polymer degradation and maintain optical purity.

Thickness Control (±1%)

Equipped with closed-loop automatic T-Dies and beta-ray thickness monitors to guarantee uniform optical quality and consistent sound insulation.

Stress-Free Winding

Tension-controlled winding systems ensure no residual stress inside the PVB/SGP film rolls, preventing shrinkage and visual distortion after lamination.

Intelligent PLC System

Siemens S7 PLC automation coordinates melt pumps, extruders, chill rolls, and thickness gauges seamlessly to minimize raw material waste.

China's Supply Chain Synergy & Factory Advantages

By leveraging China's advanced industrial matrix, GWELL integrates components from global leaders (Siemens motors, Jwell screw designs, Maag melt pumps) with localized high-accuracy structural steel fabrication and assembly. This optimization offers global buyers a cost-competitive edge (saving up to 30-40% CAPEX compared to European machinery OEM suppliers) without sacrificing precision, processing speed, or energy efficiency.

3

Production Bases

866k+

Sq. Meters Area

500+

Expert Employees

1000+

Annual Output Value

Classified Production Lines

GWELL's complete, specialized high-tech extrusion portfolio categorized by application class.

Cast Film Extrusion Line Solutions
ASA cast Film Extrusion Line

ASA cast Film Extrusion Line

GWELL Machinery proudly presents high-performance ASA casting lines for premium weather-proof roof protection.

TPU Laminating film Extrusion Line

TPU Laminating Film Extrusion Line

Premium TPU laminated film production units engineered for durable outdoor clothing and textile applications.

TPU Cast Film Extrusion Line

TPU Cast Film Extrusion Line

Highly versatile TPU film lines suited for automotive protective wrap and medical-grade materials.

PVDF cast Film Extrusion Line

PVDF cast Film Extrusion Line

PVDF solar backplane membrane production setup, serving as a superior alternative to traditional Tedlar panels.

PVB Wedge Film Extrusion Line

PVB Wedge Film Extrusion Line

GWELL's advanced PVB Wedge Film extrusion line designed specifically for next-gen HUD (Head-Up Display) automotive windshields.

PVB interlayer film extrusion line

PVB Interlayer Film Extrusion Line

Integrates cutting-edge co-extrusion technology with robust machinery to output high-performance acoustic PVB film.

PVA Water Soluble Film Extrusion Line

PVA Water Soluble Film Extrusion Line

Specialized eco-friendly packaging film line designed for medical dosage bags and single-unit detergent pods.

PI Cast Film Extrusion Line

PI Cast Film Extrusion Line

Polycool imide (PI) casting system for premium heat-resistant insulation in semiconductor and aerospace sectors.

PEVA Cast Film Extrusion Line

PEVA Cast Film Extrusion Line

High-speed, automated PEVA extrusion line designed for high-clarity protective wear and hygiene products.

PETG Decorative Film Extrusion Line

PETG Decorative Film Extrusion Line

Delivers beautiful, scratch-resistant surface films for premium interior design and furniture panel laminations.

Board Extrusion Line Solutions
PVC SPC WPC board extrusion line

PVC SPC WPC Board Extrusion Line

Advanced technological design optimized for rigid, water-proof domestic flooring and outdoor decking boards.

PP Building Construction Board Extrusion Line

PP Building Construction Board Extrusion Line

High production efficiency line generating heavy-duty reusable formwork sheets for green building projects.

PEEK PFA PVDF Board Extrusion Line

PEEK PFA PVDF Board Extrusion Line

Specialized corrosion-resistant board line catering to industrial chemical processing tanks.

PE and HDPE Board Extrusion Line

PE and HDPE Board Extrusion Line

State-of-the-art thick sheet line for industrial cutting boards, geomembranes, and heavy infrastructure containment panels.

PC Transparent Sheet Production Line

PC Transparent Sheet Production Line

High optical clarity PC PMMA extrusion lines producing protective screens and commercial displays.

GPPS Diffuser plate Extrusion Line

GPPS Diffuser Plate Extrusion Line

Efficient GPPS diffuser extrusion system optimizing light dispersion for large LED display panels.

Flexible graphite composite board extrusion line

Flexible Graphite Composite Board Extrusion Line

Industrial composite extruder producing high-stability sealing gaskets and chemical barriers.

ABS icebox Board Extrusion Line

ABS Icebox Board Extrusion Line

Engineered to produce high-impact interior liner board systems for consumer refrigerators.

ABS HIPS GPPS Board Extrusion Line

ABS HIPS GPPS Board Extrusion Line

Cutting-edge solution for plastic vacuum forming, automotive internal parts, and structural modeling.

Sheet Extrusion Line Solutions
PCTG Sheet Extrusion Line

PCTG Sheet Extrusion Line

PCTG high-impact sheets blend high structural rigidity with crystal clarity, ideal for consumer electronics and medical trays.

TPO&TPE Sheet Extrusion Line

TPO&TPE Sheet Extrusion Line

Innovative elastomer sheet production lines targeted towards sound-insulated automotive floor mats.

Transparent Hard Plastic Extrusion Line

Transparent Hard Plastic Extrusion Line

GWELL premium engineering plastic system generating robust transparent sheets for partition walls and visual windows.

PP Two-Tone Sheet Extrusion Line

PP Two-Tone Sheet Extrusion Line

Co-extrusion line producing beautiful two-color sheet options for premium stationery and retail goods packaging.

PP Blister Sheet Extrusion Line

PP Blister Sheet Extrusion Line

Utilizes high-output thermoforming-grade sheet technology for safe, high-speed food preservation packages.

PLA Degradable Sheet Extrusion Line

PLA Degradable Sheet Extrusion Line

Pioneering green packaging line designed for bioplastics and fully biodegradable polylactic acid (PLA) sheets.

PET Food Packaging Sheet Extrusion Line

PET Food Packaging Sheet Extrusion Line

GWELL's FDA-compliant PET sheet co-extruder system featuring dehumidifying dryers and twin-screw stability.

PCL medical sheet production line

PCL medical sheet production line

State-of-the-art clinical extrusion setup designed for low-temperature thermoplastic medical splint applications.

PC PMMA Optic Sheet Extrusion Line

PC PMMA Optic Sheet Extrusion Line

Designed to manufacture optical display panels, backlight guides, and clear shield panels.

PC flame retardant sheet extrusion line

PC flame retardant sheet extrusion line

Engineered for aviation, mass transit vehicle windows, and electrical enclosures requiring UL94-V0 compliance.

Solar & Green Energy Extrusion Solutions
SGP Solar Film Extrusion Line

SGP Solar Film Extrusion Line

Advanced architectural safety and structural glazing ionomer (SGP) film co-extrusion line designed for typhoon protection.

PVE Cast Film Extrusion Line

PVE Cast Film Extrusion Line

GWELL PVE Film Extrusion: Premium formulation and casting for solar cell encapsulation modules.

Polyurethane Solar Frame Extrusion Line

Polyurethane Solar Frame Extrusion Line

Equipped with precision extrusion dies to manufacture structural polyurethane frame profiles.

Hydrogen Energy PPS Separator Extrusion Line

Hydrogen Energy PPS Separator Extrusion Line

Specialized membrane line designed for polyphenylene sulfide (PPS) separators in hydrogen fuel cells.

EVA POE Solar Film Extrusion Line

EVA POE Solar Film Extrusion Line

Precision line tailored to meet the strict anti-PID encapsulation metrics of high-efficiency silicon PV modules.

EVA POE encapsulation film extrusion line

EVA POE encapsulation film extrusion line

Core features include low thermal shrinkage, precise cooling rolls, and automated thickness adjustments.

EPE solar cast film extrusion line

EPE solar cast film extrusion line

GWELL's co-extruded three-layer EPE film extrusion line combines the unique physical benefits of both EVA and POE.

BIPV PVB photovoltaic film production line

BIPV PVB photovoltaic film production line

Designed for modern BIPV installations, delivering noise-reduction and high-strength PVB photovoltaic laminates.

Global Machinery Manufacturer

About Gwell Machinery

CHINA GWELL MACHINERY CO., LTD. is a premier high-tech enterprise dedicating to the design and manufacture of plastic extrusion lines for high-quality Film, Sheet and Profile. Relying on the powerful technology, modern engineering equipment, and a relentless spirit of innovation, GWELL commits to the development of high-tech products for the international market.

Guided by our philosophy "Expertise creates customers' values", we focus on producing precision processing machinery that helps international clients meet energy-saving quotas, tight quality control metrics, and high uptime operations.

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Gwell Machinery Production Base

GWELL Core Advantages

Why Tier-1 glass and polymer sheet processors worldwide partner with Gwell Machinery.

Geographical & Transit Ease

Situated in close proximity to major international shipping hubs, enabling safe, prompt, and cost-efficient global container shipping.

Modern Scientific Techniques

Collaborates actively with high-profile engineering universities and polymer research institutes to integrate academic updates into our machines.

Comprehensive Support

From initial structural layout design and formulation optimization to on-site assembly, commissioning, and training services.

High Production Capacity

Operating three major industrial facilities with an aggregate capacity exceeding 1000 extrusion lines completed per year.

Extensive Global Market

Gwell's precision lines are successfully running in factories across North America, Europe, Southeast Asia, and the Middle East.

Professional R&D Team

Employing over 500 skilled staff, including a core engineering department of over 100 specialists dedicated to custom upgrades.

Industrial Standards & Certificates

Our commitment to rigorous safety, quality management, and mechanical compliance.

Gwell Certificate 1
Gwell Certificate 2
Gwell Certificate 3
Gwell Certificate 4
Gwell Certificate 5
Gwell Certificate 6
Gwell Certificate 7
Gwell Certificate 8
Gwell Certificate 9
Gwell Certificate 10
Gwell Certificate 11
Gwell Certificate 12
Gwell Certificate 13
Gwell Certificate 14

Latest News & Updates

Keep up with Gwell's engineering achievements, exhibition schedules, and raw material processing innovations.

CHINA GWELL Showcase
Apr 14, 2026

CHINA GWELL to Showcase Cutting-Edge Extrusion Systems

Gwell announces its latest high-efficiency film and sheet machinery models scheduled for demonstration at the international polymer trade fair.

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POE Leather Production Line
Feb 11, 2026

Launch of New POE Leather Production Line

A breakthrough eco-friendly POE synthetic leather extrusion system designed for sustainable automotive interiors and luxury furniture.

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Chinese pvb wedge film Product
Jun 25, 2025

Chinese PVB Wedge Film Production Success

The GWELL PVB wedge-shaped film production line, with "high precision, high efficiency and high compatibility" as its core pillars, achieves volume production targets.

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PETG Decorative Film Extrusion
Mar 26, 2025

PETG Decorative Film Extrusion Line Launch

Discover how Gwell's newly commercialized PETG decorative film extruders provide cost-effective laminations for building panels.

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GWELL PP Honeycomb Line
Jan 21, 2025

Introducing the GWELL PP Honeycomb Board Line

Innovative light-weight, high-strength structural honeycomb plastic board extrusion line goes live for logistic packaging clients.

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Our PLA/PET Customers
Jan 21, 2025

Long-term Cooperation with PLA/PET Sheet Clients

Gwell reinforces partnerships with global food packaging processors, optimizing PLA/PET sheet co-extrusion for green transition markets.

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GWELL EVA/POE Solar Film
Jan 21, 2025

GWELL EVA/POE Solar Film Production Guidelines

A look into how Gwell optimizes cross-linking indicators in EVA solar cell encapsulant extrusion to maximize panel longevity.

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Cooperative Partners

GWELL builds trusted, win-win relationships with top-tier material processing giants worldwide.

Specialized Extrusion Lines

Explore our targeted chemical, degradation, barrier, and stretching extrusion machinery systems.

Best TPU Invisible Car Film Extrusion Line

Best TPU Invisible Car Film Manufacturers, Exporters

Designed for premium paint protection films (PPF), delivering exceptional yellowing resistance and self-healing elastic layers.

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Best PLA Degradable Sheet Extrusion Line

Best PLA Degradable Sheet Extrusion Line Factory, Companies

Precision temperature profiling ensures uniform polylactic acid (PLA) crystallization, avoiding material brittleness.

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China PI Cast Film Extrusion Line

China PI Cast Film Extrusion Line Companies, Products

Engineered for ultra-high-temperature polyimide casting, supporting electronics packaging and flexible PCB substrates.

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Famous ABS PVC Sheet Extrusion Line

Famous ABS PVC PVC Sheet Extrusion Line Exporters, Companies

Offers superior compounding flexibility, uniform multi-layer thickness distribution, and high output rates for industrial panels.

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China PVB Head-up display Film Extrusion Line

China PVB Head-up display Film Extrusion Line Factory, Exporter

Integrated wedge-angle control unit designed to extrude precision PVB interlayer films for automotive HUD systems.

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Custom Vertical Stretching Production Line

Custom Vertical Stretching Production Line Manufacturer, Company

Optimizes polymer molecular orientation through precision heat zone stretching, drastically improving film tensile strength.

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Best PET Food Packaging Sheet Extrusion Line

Best PET Food Packaging Sheet Extrusion Line Exporter, Exporters

Dehumidifying crystallization drying systems ensure low acetaldehyde levels, meeting strict international food-contact safety codes.

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China TPO TPE Sheet Extrusion Line

China TPO&TPE Sheet Extrusion Line Factory, Factories

Robust compounding machinery producing flexible, high-durability TPO/TPE waterproof membranes and automotive floor sheets.

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Technical FAQ & Operations

Crucial industrial insights regarding film thickness precision, polymer processing, and plant commissioning.

What is the core difference between standard PVB and soundproof (acoustic) PVB extrusion?

Standard PVB film is a monolayer sheet optimized primarily for structural adhesion, impact absorption, and glass retention post-breakage. Acoustic PVB, however, is a co-extruded multi-layer film (usually 3 layers). The central core layer is a softer, highly viscous damping polymer designed specifically to convert acoustic energy (shear waves) into friction heat, bypassing the coincidence resonance dip of monolithic glass sheets.

How does GWELL guarantee thickness tolerances within ±1% across the wide film web?

We combine an automatic T-Die system with non-contact beta-ray or infrared thickness scanners. The scanners continuously monitor the film thickness post-cooling and feed the profile data back to the T-Die's thermal expansion bolts. These bolts automatically heat or cool to adjust the die gap in real-time, correcting any micro-deviations immediately.

What compliance standards do your electrical cabinets and extrusion lines adhere to?

All GWELL extrusion machinery is constructed in strict compliance with CE safety standards (under Machinery Directive 2006/42/EC). For clients in North America, we construct electrical cabinets using UL-listed components and comply with NFPA 79 specifications to ensure rapid local safety certification inspections.

How does the system prevent optical impurities (gels, black spots) in the extruded film?

Our extruders use dynamic, high-shear, low-temperature screw designs that prevent local polymer overheating. Additionally, we integrate automatic hydraulic continuous screen changers and high-precision melt pumps to filter out any carbonized particles, ensuring optical-grade film output suitable for high-end automotive windshields.

What support options are available for global plant installation and commissioning?

GWELL provides comprehensive localization support. We dispatch veteran commissioning engineers to your factory site for machinery assembly, electrical wiring verification, process tuning, and operator training. Remote diagnostics systems are also pre-installed, allowing our software engineers in China to troubleshoot PLC programs in real-time if necessary.

Start Your Custom Extrusion Project Today

GWELL's R&D capability and precision machining capability have been widely recognized by the industry. Get in touch with our team of engineers to request mechanical layouts, film output analysis, and custom pricing packages.

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